A
SECTION A — HUMAN NECESSITIES
  
FOODSTUFFS AND TOBACCO
 A23
FOODS OR FOODSTUFFS; THEIR TREATMENT NOT INCLUDED IN OTHER CLASSES
 A23J
PROTEINS; PHOSPHATIDES
 A23J 1/00
Obtaining proteins; Bulk opening of eggs and separation of yolks from whites (preparation of glue C09H)
 A23J 1/02
·  from meat
 A23J 1/04
·  from fish or other sea animals (for animal feeding-stuff A23K 1/10)
 A23J 1/06
·  from blood (for animal feeding-stuff A23K 1/04; plastic materials from blood 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 A23C); from whey
 A23J 1/22
·  ·  Drying casein
 A23J 3/00
Working-up of proteins for foodstuffs
 A23J 3/02
·  Casein or other proteins with improved whipping properties; Egg protein substitutes
 A23J 7/00
Phosphatides, e.g. lecithin
 A23J 7/02
·  Phosphatide preparations