PTO Manual of Classification for US patents

PTO Manual of Classification for US patents

What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.


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363-131 121-55A 14-.5
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Class Number: 426
 Class Title: FOOD OR EDIBLE MATERIAL: PROCESSES, COMPOSITIONS, AND
              PRODUCTS

Subclass  Subclass
Number    Title

  1       BAIT, ATTRACTANT, OR PROCESS OF PREPARATION
  2       TREATMENT OF LIVE ANIMAL
  3       NORMALLY NONINGESTIBLE CHEWABLE MATERIAL OR PROCESS OF
           PREPARATION
  4       .Low-adhesive type
  5       .Packaged, structurally defined, or coated
  6       .Containing addition type polymer
  7       FERMENTATION PROCESSES
  8       .In package
  9       .In presence of biocide or biostat
  10      .With glucose oxidase
  11      .Alcoholic beverage production or treatment to result in
            alcoholic beverage
  12      ..Addition of enzyme containing material to alcohol containing
             beverage to stabilize, purify, or prevent turbidity formation
  13      ..Multiple different fermentations
  14      ..Including removal of alcohol from fermented substrate or
             fermentation of de-alcoholized substrate
  15      ..Of fruit or fruit material
  16      ..Of malt wort
  17      .Preparation of vinegar
  18      .Of farinaceous cereal or cereal material
  19      ..Preparing or treating a hydrated wheat flour system containing
             Saccharomyces cerevesiae involving the combining of diverse
             material, or using permanent additive
  20      ...Including additional enzyme, enzyme producing material, or
              microorganism
  21      ...Including plant tissue other than wheat derived
  22      ...Peroxide
  23      ...Amino acid, separated peptide linkage or derivative
  24      ...Carboxyl containing ester other than triglyceridic
  25      ...Carboxylic acid or salt thereof, e.g., vinegar, etc.
  26      ...Inorganic compound containing other than NaCl
  27      ..Treating a hydrated wheat flour system containing
             Saccharomyces cerevesiae
  28      ..Fermentation of cereal malt, or of cereal by malting, or
             treating cereal with amylolytic or diastatic enzyme
  29      ...Preparation of beverage, beverage mash, or beverage wort
  30      ....Movement of fermenting substrate through successive
               fermenting zones
  31      ..Of bran, husk, or by-product, e.g., distillers residue, etc.
  32      .Egg white per se, gelatin, collagen or blood
  33      .Isolated triglyceride other than milk derived
  34      .Of milk or milk product
  35      ..With lipase
  36      ..Preparation or treatment of cheese curd or cheese
  37      ...With fungi or yeast
  38      ...Treatment of curd with ferment material
  39      ...Including addition of acid or acidic material
  40      ...Including addition to, or treatment of milk prior to
              fermentationn
  41      ..Treatment of whey
  42      ..Including addition of enzyme, enzyme producing material, or
             microorganism
  43      ...Including addition of bacterial culture
  44      .Of isolated seed, bean or nut, or material derived therefrom
  45      ..Coffee or cocoa, e.g., coffee extract, etc.
  46      ..Legume
  47      .Of whole egg or yolk
  48      .Of isolated carbohydrate
  49      .Of plant or plant derived material
  50      ..With pectase enzyme
  51      ..Preparation of or treament of fruit or vegetable juice or
             water soluble extract other than tea
  52      ..With added enzyme material or microorganism
  53      ...Animal feed
  54      ..Preparation of animal feed
  55      .Material is mammal or fowl derived
  56      ..With added enzyme, or added enzyme producing material or
             microorganism
  57      ...Treatment or preparation of casing
  58      ...Injection or pressure treatment
  59      ...Material is comminuted, ground, or in finely divided form
  60      .Of or with yeast or mold
  61      DORMANT FERMENT CONTAINING PRODUCT, OR LIVE MICROORGANISM
           CONTAINING PRODUCT OR ONGOING FERMENTING PRODUCT, PROCESS OF
           PREPARATION OR TREATMENT THEREOF
  62      .Yeast containing
  63      .Proteolytic enzyme containing, e.g., papain, ficin, bromelin,
            trypsin, pepsin, rennin, etc.
  64      .Malt, malt extract, or diastatic enzyme
  66      POTABLE WATER OR ICE COMPOSITIONS OR PROCESSES OF PREPARING
           SAME
  67      .Having incorporated gas
  68      ICE COATING AND COATED PRODUCT
  69      CONTAINING NON-PROTEINACEOUS NITROGEN SOURCE CONVERTIBLE TO
           AVAILABLE NITROGEN OR PROCESS OF PREPARATION
  71      PRODUCT FOR PROMOTING THE EFFECT OF AN ALIMENTARY CANAL
           MICROORGANISM
  72      PRODUCT WITH ADDED VITAMIN OR DERIVATIVE THEREOF FOR
           FORTIFICATION
  73      .Vitamin is A or D
  74      PRODUCT WITH ADDED PLURAL INORGANIC MINERAL OR ELEMENT
           FORTIFICATION
  75      PRODUCT HAVING SAFETY FEATURE IN USE
  76      FRANGIBLE FOOD HAVING DEFINED SCORE LINE OR WEAKENED PORTION
  77      FORAMINOUS MATERIAL INFUSION TYPE, OR FORAMINOUS CONTAINER PER
           SE
  78      .Having diverse soluble or dispersible material
  79      .Multiple compartment
  80      .Having flow compeller means, e.g., compressor, etc.
  81      .Tapered gathered closure
  82      .Having defined support or handle means
  83      ..Nonrigid tethered type
  84      .Chemically defined infusor material
  85      PRODUCT WITH DRINKING TUBE
  86      CUP HAVING SOLUBLE CHARGE THEREIN
  87      PRODUCT WITH DEFINED INDICATING MEANS, E.G., INDICIA, ETC.
  88      .Temperature responsivee
  89      SURFACE COATED, FLUID ENCAPSULATED, LAMINATED SOLID COMPOSITE OF
           SELF SUSTAINING DISSIMILAR EDIBLE MATERIAL
  90      .Having inedible feature
  91      ..Stick feature
  92      .Animal meat derived component
  93      .Isolated whole seed, bean or nut, or material derived
            therefrom
  94      ..Dough or batter type
  95      ...Containing frozen material
  96      .Dry flake, dry granular, or dry particulate material
  97      ..Having mineral or inorganic substrate
  98      ..Encapsulated, or coated triglyceridic material
  99      ..Triglyceridic material film former
  100     .Frozen material
  101     ..Ice cream type
  102     .Readily identifiable fruit or vegetable derived
  103     .Sugar or carbohydrate containing
  104     IMITATED, SIMULATED, ORNAMENTAL, THREE-DIMENSIONAL PRODUCT OR
           CONFECTIONARY PRODUCT HAVING CHILD-ORIENTED UTILITY
  105     MEAT FILLED CASING, SAUSAGE TYPE
  106     PACKAGED OR WRAPPED PRODUCT
  107     .Having specific electrical or wave energy feature
  108     .Multiple discrete packages containing same material
  109     .Having heat exchange material
  110     .Having package attached support means
  111     .Having telescoping feature to increase or decrease package
            dimension or having packaging structure cooperating with food
            expansion
  112     .Having consumer oriented diverse utility
  113     ..For cooking or heating food
  114     ...Meal type
  115     ..For dispensing or serving
  116     ...Aerosol type
  117     ...Baby bottle type
  118     .Packaging structure cooperating with food generated gas
  119     .Having nonedible spacer to segregate all units of multiunit
            food product
  120     ..Diverse food
  121     .Lapped multiplanar unit, i.e., shingled
  122     .Having destructive type opening along scored or perforated
            line
  123     .Having destructive type opening utilizing tearing appendage
  124     .Package containing separate noncoated or laminated interior
            inedible solid material
  125     .Food is surface coated with peelable or strippable nonedible
            film former
  126     .Three or more layered diverse packaging materials having at
            least one metal layer
  127     .Three or more layered packaging materials
  128     .Packaged product is dough or batter or mix therefor
  129     .Packaged product is animal flesh
  130     .Packaged product is lacteal derived
  131     .Canned
  132     PRODUCT WITH ADDED INEDIBLE FEATURE OTHER THAN THAT WHICH
           CONSTITUTES A PACKAGE
  133     .Having food preserving agent
  134     .Stick feature
  135     .Feature is casingg
  138     EDIBLE CASING OR CONTAINER
  139     .For frozen material
  140     .Animal derived
  143     PRODUCT HAVING OPEN-ENDED CAVITY
  144     PRODUCT IS GROOVED OR CORRUGATED
  231     MEASURING, TESTING, OR CONTROLLING BY INANIMATE MEANS
  232     .Involving packaged product or preparation thereof
  233     .Preparing solid product in final form by heating
  234     TREATMENT OF PACKAGED PRODUCT BY ELECTRICAL OR WAVE ENERGY
  235     APPLICATION OF A GAS, MIST, SMOKE OR VAPOR TO A FOOD MATERIAL
           UNDER THE INFLUENCE OF ELECTRICAL OR WAVE ENERGY
  236     INVOLVING TREATMENT OF A GAS BY ELECTRICAL OR WAVE ENERGY AND
           SUBSEQUENT CONTACT OF SAID TREATED GAS WITH A FOOD MATERIAL
  237     DIRECT APPLICATION OF ELECTRICAL OR WAVE ENERGY TO FOOD
           MATERIAL
  238     .Involving wave energy of the sonic or pulsating type
  239     .Movement of material by an applied electromotive force, e.g.,
            electrodialysis, etc.
  240     .Involving ionizing radiation, e.g., beta rays, X-rays, gamma
            rays, etc.
  241     .Heating by electromagnetic wave
  242     ..Product dry in final form
  243     ..To cook
  244     .Involving dielectric heating or passage of electric current
            through food material
  245     .Including step of shaping in mold to form final desired
            configuration
  246     ..Material treated is meat
  247     ..Material treated is fluent
  248     .Treatment with ultraviolet or visible light
  249     PREPARATION OF FROZEN OR SHAPED PRODUCT WHEREIN THE PRODUCT IS
           OF VARIOUS EXTERNAL COLORS, E.G., VARIEGATED, ETC.
  250     ADDITION OF DYE OR PIGMENT, INCLUDING OPTICAL BRIGHTENER
  251     .To whole nut or bean
  252     .To whole citrus fruit
  253     REMOVING NATURAL COLOR BY CHEMICAL REACTION, E.G., BLEACHING,
           ETC.
  254     .With preliminary noncolor removal treatment with acid, base or
            salt
  255     .In plural steps with diverse color removers
  256     .Including pressure application or defined movement of material
            during color removal
  257     .By organic color remover
  258     ..Peroxy organic compound
  259     .By sulfur compound
  260     .By nitrogen compound
  261     .By heavy metal compound or peroxide
  262     PRESERVING OR MODIFYING COLOR BY USE OF DIVERSE ADDITIVE
  263     .Utilizing gaseous medium
  264     .Red heme, i.e., meat pigment
  265     ..Additive is organic compound
  266     ...Including inorganic nitrogen compound
  267     .Additive containing calcium
  268     .Additive is or contains organic compound of known structure
  269     ..Is or contains sulfur
  270     .Plant derived tissue containing other than potato
  271     INVOLVING ION EXCHANGE, SEQUESTERING OR CHELATING MATERIAL
  272     ADHESION OF FOODS BY A BASE SUPPLIED CONSTITUENT OTHER THAN AA
           DRY PRODUCT
  273     COATING OF NONDRY FOOD OTHER THAN ANIMAL FLESH BY A BASE
           SUPPLIED CONSTITUENT
  274     ASSEMBLING PLURAL EDIBLE PREFORMS HAVING EXTRANEOUS BINDER,
           RELEASE AGENT OR DIVERSE FOOD INTERPOSED BETWEEN PREFORMS
  275     .Dough is preform
  276     SHAPING BY EXTRUDING INTO CHEMICALLY REACTIVE FLUID
  277     .Forming edible packaging material, e.g., casing, etc.
  278     NONTRANSITORY CHEMICAL ADDITION TO EDIBLE ANIMAL DERIVED
           PACKAGING MATERIAL
  279     CREATING CAVITY BY DISPLACEMENT OF MOLD-HELD FLUENT OR PLASTIC
           EDIBLE, AND FILLING FORMED CAVITY WITH DIVERSE EDIBLE
  280     .Cavity formed by shape of inedible internal mold member
  281     INTERNAL APPLICATION OF NONTRANSITORY FLUENT MATERIAL TO SOLID
           EDIBLE BY INJECTING, ARTIFICIAL PORE FORMATION OR EXTERNAL
           PRESSURE
  282     FILLING CAVITY IN EDIBLE SOLID PREFORM WITH EDIBLE MATERIAL
  283     .Dough type preform
  284     .Preform is tubular
  285     BUILDING UP UNITS FROM DIVERSE EDIBLE PARTICULATE MATERIAL TO
           FORM DRY PRODUCT, E.G., AGGLOMERATING, TABLETING, ETC.
  286     REMOVAL OF PESTICIDAL RESIDUE
  287     INVOLVING REMOVAL OF EXTERIOR PORTION ONLY OF PLANT MATERIAL BY
           CHEMICAL ADDITION
  288     .Material is nut or seed
  289     APPLYING DIVERSE EDIBLE PARTICULATE SOLID TO COAT OR IMPREGNATE
           A SOLID CORE, I.E., SURFACE COATING OR IMPREGNATION
  290     .Including subsequent liquefaction of particulate solid
  291     .Liquid surface coating subsequent to application of particulate
            solid
  292     .Sequentially applied particulate solid
  293     .Including surface coating with liquid or plastic
  294     .Suspension of particulate solid in gaseous medium
  295     .Embedding, rolling or tumbling of particulate solid in core
  296     .Subsequent cooking
  297     COATING OR SPREADING PLASTIC ON AN EDIBLE PREFORM AND
           SUBSEQUENTLY SHAPING THE PREFORM
  298     TREATING UNSHELLED EGG
  299     .Removal or puncture of shell
  300     .By fluent material
  301     ..Material is unctuous
  302     SURFACE COATING OF A SOLID FOOD WITH A LIQUID
  303     .Plural distinct steps of coating
  304     ..By same composition
  305     .Including subsequent specified treatment of coating
  306     .By chocolate or Theobroma cocoa derived
  307     .By application of molten material
  308     .Of natural shell or rind
  309     .Of whole isolated seed or bean
  310     .Preserving
  311     INCLUDING VITAMIN PROCESSING
  312     CONTACTING FOOD IN LIQUID OR SOLID STATE WITH EXTERIORLY
           PRODUCED GAS
  313     .Gas is hydrogen, e.g., hydrogenation, etc.
  314     .Applied material formed by combustion or is product of
            combustion
  315     ..Animal flesh material
  316     .Including packaging of contacted food or treatment of materiall
            in package
  317     .Lacteal material
  318     .Applied material contains a halogen atom
  319     .Applied material contains nitrogen compound or contains sulfur
            atom
  320     .Applied material is biocidal or disinfecting
  321     INHIBITING CHEMICAL OR PHYSICAL CHANGE OF FOOD BY CONTACT WITH A
           CHANGE INHIBITING CHEMICAL AGENT OTHER THAN AN ANTIOXYGEN AGENT
  322     .Treatment with heavy metal or compound thereof
  323     .Chemical agent is impregnated in or coated on nonedible
            material
  324     .Including step of packaging
  325     ..Subsequent heat treatment of package
  326     ..With biocidal or disinfecting chemical agent
  327     .Including step of lowering temperature to or below 32 degrees
            F. or treatment at or below 32 degrees F.
  329     .Foam stabilization or inhibiting foaming or gushing or
            inhibiting the decompo sition of a foamed product
  330     .Treating liquid material
  330.1   ..Egg material is basic ingredient
  330.2   ..Lacteal material is basic ingredient
  330.3   ..Beverage or beverage concentrate
  330.4   ...Alcohol containing
  330.5   ...Fruit and vegetable juice
  330.6   ..Triglyceridic oil is basic ingredient
  331     .Animal flesh, citrus fruit, bean or cereal seed material
  332     ..Animal flesh
  333     ..Citrus fruit
  334     .Lacteal derived containing
  335     .Biocidal or disinfecting chemical agent
  530     RENOVATING BUTTER
  531     PRODUCTS PER SE, OR PROCESSES OF PREPARING OR TREATING
           COMPOSITIONS INVOLVING CHEMICAL REACTION BY ADDITION, COMBINING
           DIVERSE FOOD MATERIAL, OR PERMANENT ADDITIVE
  532     .With biocide or biostat
  533     .Reaction flavor per se, or containing reaction flavor improver
            of unknown or undefined chemical constitution
  534     .Flavor per se, or containing flavor or flavor improver of
            identifiable organic chemical constitution
  535     ..Sulfur containing
  536     ..Heterocyclic
  537     ...Hetero-N-atom
  538     ..Carbocyclic
  539     .Bleach per se or composition containing same
  540     .Specific dye or pigment per se or compositions containing same
  541     .Containing antioxidant or antioxidant per se
  542     ..Of plant or animal matter of unknown chemical structure
  543     ...Cereal
  544     ..Organic active chemical containing
  545     ...Heterocyclic atom containing
  546     ...Composed solely of carbon, hydrogen, oxygen, and salts
              thereof
  547     ...Phosphorus or sulfur
  548     .Noncarbohydrate sweetener or composition containing same
  549     .Basic ingredient is starch based batter, dough product, etc.
  550     ..Noncereal base
  551     ..Having chemical gas producer
  552     ...Batter typee
  553     ....Triglyceride material containing
  554     .....Dry mix
  555     ..Dry mix
  556     ..Pastry type
  557     ..Alimentary paste
  558     ..Egg containing
  559     ..Puffed
  560     ..Flakes, chips, filaments, sheets, or pellets
  561     .Gas or gas generating agent per se
  562     ..Baking powder
  563     ...Phosphorus containing
  564     .Foam or foamable type
  565     ..Frozen
  566     ...Containing carboxylic acid ester other than a triglyceridic
              ester
  567     ...Containing carbohydrate other than sugar
  568     ..Egg derived
  569     ..Beverage or mix
  570     ..Dairy cream or topping
  571     ..Marshmellow or chiffon
  572     ..Cream filler, fondant, frosting, icing or confection
  573     .Gels or gelable composition
  574     .Meat, meat extracts, or meat analog
  575     ..Seaweed type
  576     ..Gelatin or derivatives
  577     ..Pectin
  578     ..Starch or derivatives is gel former
  579     ...Puddings
  580     .Basic ingredient lacteal derived other than butter substitute
            in emulsion form
  581     ..Butter is the basic ingredient
  582     ..Cheese or cheese type product
  583     ..Buttermilk, yogurt, sour cream, whey
  584     ..Containing cocoa or flavored beverage
  585     ..Containing fat or oil other than lacteal derived
  586     ..Cream or butterfat
  587     ..Liquid condensed or evaporated milk
  588     ..Powdered milk
  589     .Soup, sauce, gravy or base
  590     .Beverage or beverage concentrate
  591     ..Dry effervescent
  592     ..Alcohol containing
  593     ..Chocolate or cocoa
  594     ..Coffee and substitutes therefor
  595     ...Whole or ground, including additive other than extractive
              type
  596     ...Coffee substitute
  597     ..Tea and substitutes therefor
  598     ..Bean, nut or seed type
  599     ..Fruit and vegetable juice
  600     .Hop derived ingredient, including hopping of wort
  601     .Fat or oil is basic ingredient other than butter in emulsion
            form
  602     ..Aqueous emulsion
  603     ...Butter substitute, e.g., margarine, etc.
  604     ....Having emulsifier or antispattering, antiweeping or
               antileaking agent
  605     ...Egg containing, e.g., mayonnaise, etc..
  606     ..Fluid, formulated added hard stock containing type, e.g.,
             fluid shortening, etc.
  607     ..Mixed formulated triglycerides per se, e.g., margarine oil,
             hard butter, etc.
  608     ..Animal derived triglyceride material as sole triglyceride,
             e.g., lard, etc.
  609     ..Particulate or antistick compositions, e.g., pan grease, etc.
  610     ..With defined preservative, e.g., crystallization inhibitor,
             etc.
  611     ..Having ester other than triglyceridic carboxylic
  612     ...Liquid
  613     ..Having lacteal or egg ingredient or sugar or flavor
  614     .Poultry egg is basic ingredient
  615     .Plant material is basic ingredient other than extract, starch
            or protein
  616     ..Citrus derived
  617     ..Coconut containing
  618     ..Cereal material is basic ingredient
  619     ...Breakfast type
  620     ....Ready to eat
  621     .....Flake or puffed
  622     ...Flour or meal type
  623     ...Animal food
  624     ....Distiller's or brewer's residue
  625     ...Puffed or flaked
  626     ...Acid or base treatment
  627     ...Single source
  628     ..Cream style vegetable
  629     ..Bean, seed or nut product
  630     ...Animal feed
  631     ...Cocoa
  632     ...Nut, including peanut
  633     ....In butter form
  634     ...Legume
  635     ..Animal food
  636     ...Grasses or straw
  637     ..Potato
  638     ..Spice, herb, or condiment thereof
  639     ..With added sugar
  640     ..Dried
  641     .Animal derived material is an ingredient other than extract or
            protein
  642     ..Shroud effecting treatment
  643     ..Seafood
  644     ..Poultry
  645     ..Single source
  646     ..Comminuted
  647     ..Blood containing
  648     .Nutritional or dietetic supplement, including table salt
  649     ..Sodium chloride or substitute therefor
  650     .Flavor or flavor adjunct, acidulant or condiment
  651     ..Oleoresin or essential oil
  652     .For use with meat, poultry or seafood
  653     .For use with batter, dough or baked goods
  654     .Stabilizing or preserving agent or emulsifier other than
            organophosphatide
  655     .Extract
  656     .Protein, amino acid, or yeast containingg
  657     ..From animal
  658     .Carbohydrate containing
  659     ..Fondant, fudge, icing or frosting
  660     ..Confection
  661     ..Carbohydrate is starch
  662     .Organophosphatide
  663     PREPARING OR TREATING LACTEAL BUTTER OR LACTEAL BUTTER
           SUBSTITUTE
  664     .Lacteal butter
  665     PROCESSES
  383     .Applying indicia or ornamentation, or the treatment of article
            having indicia or ornamentation
  384     .Freeze drying or freeze concentrating
  385     ..Product is solid in final form
  386     .Separating volatile essence and combining the separated
            volatile essence with a food material
  387     ..Volatile essence derived from a liquid
  388     .Combining material from single source without a previous food
            separation step of the different materials
  389     .Per se removal of food product from mold, container or
            receptacle
  390     .Preparing or treating food having diverse utility
  391     ..Dough or batter product, e.g., pie crust, etc.
  392     .Packaging or treatment of packaged product
  393     ..Involving temperature 32 degrees F. or less
  394     ..In container having diverse utility, e.g., dispensing, etc.
  395     ..In container having structure cooperating with food material
             generated gas
  396     ..By covering rigid receptacle or support with flexible wrap or
             container
  397     ..In rigid liquid impermeable container, e.g., can, bottle,
             etc.
  398     ...Container wall has plural layers or package contains interior
              nonintegral solid inedible material
  399     ...Including delivery of pasteurized or sterilized food material
              to container, e.g., aseptic, etc.
  400     ....Including prior concentration of food material
  401     ....And subsequent heat treatment of sealed package
  402     ...Including water addition to or removal from normally solid
              food material
  403     ...Including heating of vented container containing food
              material
  404     ...Exteriorly applying reduced pressure to eliminate air or to
              effect a package having reduced air content
  405     ...With agitation of sealed container
  406     ....By rolling container on its horizontal axis
  407     ...Heat treatment of package, e.g., pasteurization,
              sterilization, etc.
  408     ....By heat exchange medium other than water per se, air, carbon
               dioxide, or other inert gas
  409     ....Lacteal material
  410     ..In flexible wrapper or container
  411     ...And exterior rigid receptacle
  412     ...Heat treatment of encased food
  413     ...Utilizing preformed container
  414     ...With molding or cutting
  415     ...Utilizing specified wrapping material
  416     .Combinedd
  417     .Preparing or treating triglyceridic fat or oil, or processes of
            separating triglyceridic fat or oil from a starting material,
            e.g., rendering, etc.
  418     .Storing solid material under controlled condition
  419     ..Natural plant material
  420     .Treating or preparing food material having nonedible feature in
            final product, e.g., interleaving, etc.
  421     ..Wherein feature is rigid handle member
  422     .Treatment of liquid with nongaseous material other than water
            per se
  423     ..Inorganic silicon containing material, e.g., clay, etc.
  424     ..Liquid contact to effect a separation
  425     .Extraction utilizing liquid as extracting medium
  426     ..Removing water from solid using nonglyceridic liquid
  427     ..Removing caffein or tannin
  428     ...Utilizing organic liquid
  429     ..Liquid is organic
  430     ...Of tissue containing seed or bean material
  431     ..Liquid is aqueous
  432     ...Coffee
  433     ....Preparation of ready to use beverage, i.e., brewing
  434     ....Extracting at different temperature
  435     ...Tea, i.e., Camellia senesis
  436     ...Cereal or treated cereal material
  437     ...Animal flesh material
  438     .Heat treatment of food material by contact with glyceridic fat
            or oil, e.g., potato chip frying, etc.
  439     ..Farinaceous cereal dough or batter product, e.g., doughnut,
             etc.
  440     ...To puff or form pore
  441     ..Including water treatment
  442     .Treatment of food material by addition of material other than
            water, air, carbon dioxide, nitrogen or inert gases, or
            mixtures thereof
  443     .Preparation of product which is dry in final form
  444     ..With temperature reduction 32 degrees F. or less
  445     ..Size increase by puffing, or pore forming of solid material by
             heating
  446     ...Dough product
  447     ...By sudden pressure release from exteriorly applied
              pressurized zone
  448     ....From extrusion zone using mechanical pressure
  449     ....Of cereal
  450     ...Of cereal material
  451     ..Alimentary paste, e.g., macaroni, spaghetti, noodles, etc.
  452     ..Cereal filament or filament composite
  453     ..Building up units from initially dry material, e.g.,
             agglomerating, etc.
  454     ...By compressing, e.g., tabletting, briquetting, pelleting,
              etc.
  455     ..Including treatment with aqueous material, e.g., hydration,
             etc.
  456     ...And subsequent heat treatment of dehydration
  457     ....To form flake product
  458     ....Of cereal dough or cooked cereal dough
  459     ....Of isolated cereal seed or bean material
  460     .....Whole seed or bean material
  461     ......By steamm
  462     ......Cereal
  463     .....Cereal material, e.g., flour, meal, bran, etc.
  464     ....With size reduction, e.g., mashing, cutting, etc.
  465     ..Including heating or dehydration
  466     ...By roasting, toasting, or browning
  467     ....With fluid current conveying or suspensions of treated
               material
  468     ....With compressing or use of exteriorly applied pressure
  469     ....With separation of unwanted solid component
  470     ...Of prior foamed or gasified material
  471     ...Of liquid or liquefied material, e.g., spray drying, etc.
  472     ...With separation of a constituent
  473     ...With size reduction, e.g., mashing, cutting, etc.
  474     .Including gas-liquid contact
  475     ..Separating, including gas contact
  476     ...Gas is steam
  477     ..Preparing carbonated or effervescent liquid
  478     .Separating a starting material into plural different
            constituents
  479     ..Removing of solid part from solid material
  480     ...From mammal or fowl material
  481     ...From plant material
  482     ....Outer covering, e.g., shell, husk, etc.
  483     .....By abrading
  484     ....Seed, pit, stem, or core
  485     .....Pit
  486     ..Removal of air, unwanted gas, or unwanted odoriferous
             material
  487     ...From liquid
  488     ....To deodorize
  489     ..Removal of desired liquid from solid plant material
  490     ..Starting material is liquid
  491     ...Lacteal liquid, e.g., milk, cream, etc.
  492     ...Including vaporization, e.g., distillation,
              concentration-evaporation, etc.
  493     ....Of alcohol containing stock
  494     .....Recovery of vaporized fraction, e.g., distillate
  495     ...Separating solid from liquid material
  496     .Treatment or preparation of farinaceous dough, batter, or
            pastry product, e.g., pie, etc.
  497     ..Treatment of cooked product
  498     ..Including incorporation of air or gas into dough material
  499     ..Food product having an open-ended cavity, e.g., pretzel, etc.
  500     ..Including coiling or twisting
  501     ...Coiling sheet material
  502     ..Including sheeting, laminating, or folding
  503     ..Including dough dividing, slitting or incising
  504     ..Including mixing or kneading
  505     ..Heating utilizing a foraminous or coated support, or
             container
  506     .Treatment with aqueous material, e.g., hydration, etc.
  507     ..Of isolated whole seed or bean material
  508     ...Cooking, blanching or gelatinizing
  509     ..Cooking or blanching
  510     ...By steam
  511     ..By steam
  512     .Molding, casting, or shaping
  513     ..Of animal fleshh
  514     ..Forming hollow, tubular, or open-ended cavity
  515     ..From liquid state, e.g., casting, freezing, etc.
  516     ..Extruding through restricted orifice to give desired final
             shape
  517     ..Forming rod, strand, sheet, or filament
  518     .With cutting, or mechanically subdividing solid material, e.g.,
            slicing, comminuting, slitting, etc.
  519     .With mixing or agitating, e.g., homogenizing, etc.
  520     .Heating above ambient temperature
  521     ..Pasteurizing or sterilizing
  522     ...Of lacteal material
  523     ..Cooking, e.g., broiling, baking, etc.
  524     .Cooling, freezing, or treating cooled or frozen product, e.g.,
            thawing, etc.
  *       ******************************
  *       CROSS-REFERENCE ART COLLECTIONS
  *       ******************************
  800     GERIATRIC
  801     PEDIATRIC
  802     SIMULATED ANIMAL FLESH
  803     SIMULATED FRUIT OR VEGETABLE
  804     LOW CALORIE, LOW SODIUM OR HYPOALLERGIC
  805     PET FOOD FOR DOG, CAT, BIRD, OR FISH
  806     SALT OR MINERAL SUBSTITUTE
  807     POULTRY OR RUMINANT FEED
  808     STARCH BASE SNACK PRODUCT
  809     INCLUDING HARVESTING OR PLANTING OR OTHER NUMEROUS MISCELLANEOUS
           PROCESSING STEPS
  810     ENERGY RATIONS, E.G., EMERGENCY RATIONS, SURVIVAL RATIONS, ETC.
  811     UTILIZING SURFACE PARTING, ANTISTICK OR RELEASE AGENT