|  | C |
SECTION C — CHEMISTRY AND METALLURGY

|  | C |
Note(s) Definitions for Section C: Alkali metals: Li, Na, K, Rb, Cs, Fr Alkaline earth metals: Ca, Sr, Ba, Ra Lanthanides: elements with atomic numbers 57 to 71 inclusive Rare earths: Sc, Y, Lanthanides Actinides: elements with atomic numbers 89 to 103 inclusive Refractory metals: Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W Halogens: F, Cl, Br, I, At Noble gases: He, Ne, Ar, Kr, Xe, Rn Platinum group: Os, Ir, Pt, Ru, Rh, Pd Noble metals: Ag, Au, Platinum group Light metals: alkali metals, alkaline earth metals, Be, Al, Mg Heavy metals: metals other than light metals Iron group: Fe, Co, Ni Non-metals: H, B, C, Si, N, P, O, S, Se, Te, noble gases, halogens Metals: elements other than non-metals Transition elements: elements with atomic numbers 21 to 30 inclusive, 39 to 48 inclusive, 57 to 80 inclusive, 89 upwards

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 OR PRESERVING FATS, FATTY SUBSTANCES (e.g. lanolin), FATTY OILS OR WAXES, INCLUDING EXTRACTION FROM WASTE MATERIALS; ESSENTIAL OILS; PERFUMES (drying-oils Fulltext... Hierarchy... Expanded...C09F)

|  | C11B 1/00 |
Production of fats or fatty oils from raw materials

|  | C11B 1/02 |
· | Pretreatment

|  | C11B 1/04 |
· · | of vegetable raw material

|  | C11B 1/06 |
· | by pressing

|  | C11B 1/08 |
· · | by hot pressing

|  | C11B 1/10 |
· | by extracting

|  | C11B 1/12 |
· | by melting out

|  | C11B 1/14 |
· · | with hot water or aqueous solutions

|  | C11B 1/16 |
· · | with steam

|  | C11B 3/00 |
Refining fats or fatty oils

|  | C11B 3/02 |
· | by chemical reaction

|  | C11B 3/04 |
· · | with acids

|  | C11B 3/06 |
· · | with bases

|  | C11B 3/08 |
· · | with oxidising agents

|  | C11B 3/10 |
· | by adsorption

|  | C11B 3/12 |
· | by distillation

|  | C11B 3/14 |
· · | with the use of indifferent gases or vapours, e.g. steam

|  | C11B 3/16 |
· | by mechanical means

|  | C11B 5/00 |
Preserving by using additives, e.g. anti-oxidants

|  | C11B 7/00 |
Separation of mixtures of fats or fatty oils into their constituents, e.g. saturated oils from unsaturated oils

|  | C11B 9/00 |
Essential oils; Perfumes (synthesis of chemical substances Fulltext... Hierarchy... Expanded...C07)

|  | C11B 9/02 |
· | Recovery or refining of essential oils from raw materials

|  | C11B 11/00 |
Recovery or refining of other fatty substances, e.g. lanolin, waxes (synthetic waxes Fulltext... Hierarchy... Expanded...C07, Fulltext... Hierarchy... Expanded...C08; mineral waxes Fulltext... Hierarchy... Expanded...C10G)

|  | C11B 13/00 |
Recovery of fats, fatty oils, or fatty acids from waste materials (mechanical separation from waste water Fulltext... Hierarchy... Expanded...C02F, Fulltext... Hierarchy... Expanded...E03F)

|  | C11B 13/02 |
· | from soap stock

|  | C11B 13/04 |
· | from spent adsorption materials

|  | C11B 15/00 |
Solidifying fatty oils, fats, or waxes by physical processes