|  | 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

|  | C08 |
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON (production of artificial threads, fibres, bristles or ribbons Fulltext... Hierarchy... Expanded...D01)

|  | C08H |
DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS (polysaccharides Fulltext... Hierarchy... Expanded...C08B; natural rubber Fulltext... Hierarchy... Expanded...C08C)

|  | C08H 1/00 - C08H 5/00 |
Preparation

|  | C08H 1/00 |
Macromolecular products derived from proteins (food proteins Fulltext... Hierarchy... Expanded...A23; glue, gelatine Fulltext... Hierarchy... Expanded...C09H)

|  | C08H 1/02 |
· | Protein-aldehyde condensates

|  | C08H 1/04 |
· · | Casein-aldehyde condensates

|  | C08H 1/06 |
· | derived from horn, hoofs, hair, skin, or leather

|  | C08H 3/00 |
Vulcanised oils, e.g. factice

|  | C08H 5/00 |
Other macromolecular compounds (natural resins and their derivatives Fulltext... Hierarchy... Expanded...C09F; bituminous materials Fulltext... Hierarchy... Expanded...C10)

|  | C08H 5/02 |
· | derived from lignin

|  | C08H 5/04 |
· | derived from lignocellulosic materials