|  | 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)

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

|  | C11C 1/00 |
Preparation of fatty acids from fats, fatty oils, or waxes; Refining the fatty acids (recovery of fatty acids from waste materials Fulltext... Hierarchy... Expanded...C11B 13/00)

|  | C11C 1/02 |
· | from fats or fatty oils

|  | C11C 1/04 |
· · | by hydrolysis

|  | C11C 1/06 |
· · · | using solid catalysts

|  | C11C 1/08 |
· | Refining

|  | C11C 1/10 |
· · | by distillation

|  | C11C 3/00 |
Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom (sulphonated fats or fatty oils Fulltext... Hierarchy... Expanded...C07C 143/90; factice Fulltext... Hierarchy... Expanded...C08H; drying-oils Fulltext... Hierarchy... Expanded...C09F)

|  | C11C 3/02 |
· | by esterification of fatty acids with glycerol

|  | C11C 3/04 |
· | by esterification of fats or fatty oils

|  | C11C 3/06 |
· · | with glycerol

|  | C11C 3/08 |
· · | with fatty acids

|  | C11C 3/10 |
· · | Ester interchange

|  | C11C 3/12 |
· | by hydrogenation

|  | C11C 3/14 |
· | by isomerisation

|  | C11C 5/00 |
Candles

|  | C11C 5/02 |
· | Apparatus for preparation thereof