A
SECTION A — HUMAN NECESSITIES
  
AGRICULTURE
 A23
FOODSTUFFS AND THEIR TREATMENT NOT INCLUDED IN OTHER CLASSES
 A23D
BUTTER SUBSTITUTES; EDIBLE OILS AND FATS (obtaining, refining and preserving C11B, C11C)
 A23D 3/00
Butter substitutes; Margarine
 A23D 3/02
·  Production
 A23D 3/04
·  Preservation of finished products
 A23D 5/00
Edible oil or fat compositions containing a major proportion of oil or fat, other than butter substitutes
 A23D 5/02
·  Working-up
 A23D 5/04
·  Preservation of finished products