|  | A |
SECTION A — HUMAN NECESSITIES

FOODSTUFFS; TOBACCO

|  | A23 |
FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES

|  | A23 |
1. Note(s) Attention is drawn to the following places:
   Fulltext... Hierarchy... Expanded...C08B | Polysaccharides, derivatives thereof |
   Fulltext... Hierarchy... Expanded...C11 | Animal or vegetable oils, fats, fatty substances or waxes |
   Fulltext... Hierarchy... Expanded...C12 | Biochemistry, beer, spirits, wine, vinegar |
   Fulltext... Hierarchy... Expanded...C13 | Sugar industry. [4] |
Processes using enzymes or micro-organisms in order to: liberate, separate or purify a pre-existing compound or composition, or to treat textiles or clean solid surfaces of materials are further classified in subclass Fulltext... Hierarchy... Expanded...C12S. [5]

|  | A23J |
PROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS (fodder Fulltext... Hierarchy... Expanded...A23K; protein compositions or phosphatide compositions for pharmaceuticals Fulltext... Hierarchy... Expanded...A61K; phosphatides per se Fulltext... Hierarchy... Expanded...C07F 9/10; proteins per se Fulltext... Hierarchy... Expanded...C07K) [4]

P:10 |  | A23J 1/00 |
Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites (preparation of glue Fulltext... Hierarchy... Expanded...C09H) [4]

|  | A23J 1/02 |
· | from meat

|  | A23J 1/04 |
· | from fish or other sea animals (for animal feeding-stuff Fulltext... Hierarchy... Expanded...A23K 1/10)

|  | A23J 1/06 |
· | from blood (for animal feeding-stuff Fulltext... Hierarchy... Expanded...A23K 1/04; plastic materials from blood Fulltext... Hierarchy... Expanded...C08H 1/00) [2]

|  | A23J 1/08 |
· | from eggs

|  | A23J 1/09 |
· · | separating yolks from whites

|  | A23J 1/10 |
· | from hair, feathers, horn, skins, leather, bones, or the like

|  | A23J 1/12 |
· | from cereals, wheat, bran, or molasses

|  | A23J 1/14 |
· | from leguminous or other vegetable seeds; from press-cake or oil-bearing seeds

|  | A23J 1/16 |
· | from waste water of starch-manufacturing plant or like wastes

|  | A23J 1/18 |
· | from yeasts

|  | A23J 1/20 |
· | from milk, e.g. casein (curds or cheese Fulltext... Hierarchy... Expanded...A23C); from whey

|  | A23J 1/22 |
· · | Drying casein

P:0 |  | A23J 3/00 |
Working-up of proteins for foodstuffs

|  | A23J 3/04 - A23J 3/20 |
Note(s) In groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...A23J 3/04-A23J 3/20, in the absence of an indication to the contrary, classification is made in the last appropriate place. [5]

|  | A23J 3/04 |
· | Animal proteins [5]

|  | A23J 3/06 |
· · | Gelatine [5]

|  | A23J 3/08 |
· · | Dairy proteins [5]

|  | A23J 3/10 |
· · · | Casein (drying casein Fulltext... Hierarchy... Expanded...A23J 1/22) [5]

|  | A23J 3/12 |
· · | from blood [5]

|  | A23J 3/14 |
· | Vegetable proteins [5]

|  | A23J 3/16 |
· · | from soybean [5]

|  | A23J 3/18 |
· · | from wheat [5]

|  | A23J 3/20 |
· | Proteins from micro-organisms or unicellular algae [5]

|  | A23J 3/22 - A23J 3/30 |
Note(s) Subject matter classified in groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...A23J 3/22-A23J 3/30 is also classified in groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...A23J 3/04-A23J 3/20, if the nature of the protein is of interest. [5]

|  | A23J 3/22 |
· | by texturising [5]

|  | A23J 3/24 |
· · | using freezing [5]

|  | A23J 3/26 |
· · | using extrusion or expansion [5]

|  | A23J 3/28 |
· · | using coagulation from or in a bath, e.g. spun fibres [5]

|  | A23J 3/30 |
· | by hydrolysis [5]

|  | A23J 3/32 |
· · | using chemical agents [5]

|  | A23J 3/34 |
· · · | using enzymes [5]

P:20 |  | A23J 7/00 |
Phosphatide compositions for foodstuffs, e.g. lecithin [4]