|  | C |
SECTION C — CHEMISTRY AND METALLURGY

CHEMISTRY

|  | C11 |
ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES (edible oil or fat compositions Fulltext... Hierarchy... Expanded...A23)

|  | C11B |
PRODUCING (pressing, extraction); REFINING AND PRESERVING FATS, FATTY SUBSTANCES (e.g. lanolin), FATTY OILS AND WAXES, INCLUDING EXTRACTION FROM WASTE MATERIALS; ESSENTIAL OILS; PERFUMES (drying-oils Fulltext... Hierarchy... Expanded...C09F)

|  | C11C |
FATTY ACIDS FROM FATS, OILS, AND WAXES; CANDLES; FATS, OILS AND FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM

|  | C11D |
DETERGENT COMPOSITIONS; THE USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP AND SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL

|  | C11D |
Note(s) In this sub-class, the term "soap" refers to alkali and ammonium salts of fatty acids from fats and oils.