|  | 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

|  | C09 |
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; MISCELLANEOUS COMPOSITIONS; MISCELLANEOUS APPLICATIONS OF MATERIALS

|  | C09B |
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; MORDANTS; LAKES

|  | C09B |
Note(s) In this sub-class, a compound is classified in the last appropriate place.

|  | C09C |
TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, to ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES (preparation per se of inorganic compounds or non-metallic elements Fulltext... Hierarchy... Expanded...C01); PREPARATION OF CARBON BLACK [2]

|  | C09C |
Note(s) In this sub-class, a compound is classified in the last appropriate place.

|  | C09D |
INKS; PAINTS; VARNISHES; LACQUERS; WOOD-STAINS; CHEMICAL PAINT REMOVERS; PASTES OR SOLIDS FOR COLOURING OR PRINTING (cosmetics Fulltext... Hierarchy... Expanded...A61K; staining wood Fulltext... Hierarchy... Expanded...B27K 5/02; decorating Fulltext... Hierarchy... Expanded...B44; textile-treating compositions Fulltext... Hierarchy... Expanded...D06)

|  | C09F |
NATURAL RESINS; FRENCH POLISH; DRYING-OILS; DRIERS (SICCATIVES); TURPENTINE

|  | C09G |
POLISHING COMPOSITIONS OTHER THAN FRENCH POLISH; SKI WAXES

|  | C09H |
PREPARATION OF GLUE OR GELATINE

|  | C09J |
THE USE OF MATERIALS OTHER THAN GLUE AS ADHESIVES; ADHESIVE PROCESSES IN GENERAL (NON-MECHANICAL PART)

|  | C09J |
Note(s) Macromolecular adhesive substances or compositions based essentially thereon are always classified as the substance or composition in class Fulltext... Hierarchy... Expanded...C08, but the use of substances or compositions for adhesive purposes is classified here.

|  | C09K |
COMPOSITIONS NOT PROVIDED FOR ELSEWHERE; MISCELLANEOUS APPLICATIONS OF MATERIALS

|  | C09K |
Note(s) This sub-class includes the use of materials or compositions in a process, when that process is not specifically provided for elsewhere.