|  | 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

|  | 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.

|  | C09C 1/00 |
Treatment of specific inorganic materials other than fibrous fillers (luminescent or tenebrescent materials Fulltext... Hierarchy... Expanded...C09K); Preparation of carbon black

|  | C09C 1/02 |
· | compounds of alkaline earth metals or magnesium

|  | C09C 1/04 |
· | compounds of zinc

|  | C09C 1/06 |
· · | lithopone

|  | C09C 1/08 |
· · | zinc chromate

|  | C09C 1/10 |
· | compounds of cadmium

|  | C09C 1/12 |
· · | cadmium sulphoselenide

|  | C09C 1/14 |
· | compounds of lead

|  | C09C 1/16 |
· · | white lead

|  | C09C 1/18 |
· · | red lead

|  | C09C 1/20 |
· · | lead chromate

|  | C09C 1/22 |
· | compounds of iron

|  | C09C 1/24 |
· · | oxides of iron

|  | C09C 1/26 |
· · | iron blues

|  | C09C 1/28 |
· | compounds of silicon

|  | C09C 1/30 |
· · | silicic acid

|  | C09C 1/32 |
· · | ultramarine

|  | C09C 1/34 |
· | compounds of chromium

|  | C09C 1/36 |
· | compounds of titanium

|  | C09C 1/38 |
· | compounds of mercury

|  | C09C 1/40 |
· | compounds of aluminium

|  | C09C 1/42 |
· · | clays (preparatory treatment for clay wares Fulltext... Hierarchy... Expanded...C04B 33/04)

|  | C09C 1/44 |
· | Carbon

|  | C09C 1/46 |
· · | graphite (preparation of graphite Fulltext... Hierarchy... Expanded...C01B 31/04)

|  | C09C 1/48 |
· · | carbon black

|  | C09C 1/50 |
· · · | furnace black

|  | C09C 1/52 |
· · · | channel black

|  | C09C 1/54 |
· · · | acetylene black; thermal black

|  | C09C 1/56 |
· · · | Treatment of carbon black

|  | C09C 1/58 |
· · · · | Agglomerating, pelleting, and the like by wet methods

|  | C09C 1/60 |
· · · · | Agglomerating, pelleting, and the like by dry methods

|  | C09C 1/62 |
· | metallic pigments or fillers (obtaining metal powder, see the relevatn class for the method used, e.g. Fulltext... Hierarchy... Expanded...B22F 9/00, Fulltext... Hierarchy... Expanded...C21B 15/02, Fulltext... Hierarchy... Expanded...C22B 5/20, Fulltext... Hierarchy... Expanded...C25C 5/00)

|  | C09C 1/64 |
· · | aluminium

|  | C09C 1/66 |
· · | copper alloys, e.g. bronze

|  | C09C 1/68 |
· | loose abrasive particles

|  | C09C 3/00 |
Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties (dyeing other macromolecular particles Fulltext... Hierarchy... Expanded...C08J 3/20; dyeing macromolecular fibres Fulltext... Hierarchy... Expanded...D06P)

|  | C09C 3/04 |
· | Physical treatment, e.g. grinding, treatment with ultrasonic vibrations [2]

|  | C09C 3/06 |
· | Treatment with inorganic compounds [2]

|  | C09C 3/08 |
· | Treatment with low-molecular organic compounds [2]

|  | C09C 3/10 |
· | Treatment with macromolecular organic compounds [2]

|  | C09C 3/12 |
· | Treatment with organosilicon compounds [2]