|  | 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

|  | 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.

|  | C09K 3/00 |
Miscellaneous compositions; The use of materials not provided for elsewhere [2]

|  | C09K 3/10 |
· | Materials for sealing or packing joints or covers

|  | C09K 3/12 |
· | Materials for stopping leaks in radiators

|  | C09K 3/14 |
· | Anti-slip compositions; Abrasive compositions (manufacture of abrasive material containing organic macromolecular compounds Fulltext... Hierarchy... Expanded...C08J 5/14) [2]

|  | C09K 3/16 |
· | Anti-static compositions

|  | C09K 3/18 |
· | Compositions for application to surfaces to minimize adherence of ice, mist or water thereto; Thawing materials [2]

|  | C09K 3/20 |
· | Substitutes for glycerine in its non-chemical uses, e.g. as a base in toilet creams or ointments

|  | C09K 3/22 |
· | Dust-laying or dust-absorbing compositions

|  | C09K 3/24 |
· | Compositions simulating ice or snow

|  | C09K 3/28 |
· | Fireproofing compositions

|  | C09K 3/30 |
· | Aerosol compositions

|  | C09K 3/32 |
· | Materials for absorbing liquids to remove pollution, e.g. oil, gasoline, fat [2]

|  | C09K 3/34 |
· | Liquid crystal compositions [2]

|  | C09K 5/00 |
Materials for transfer of heat or for producing temperature differences other than by combustion [2]

|  | C09K 5/02 |
· | the heat effect being accompanied by a change of physical state [2]

|  | C09K 5/04 |
· · | the change of state being from liquid to vapour or vice-versa [2]

|  | C09K 5/06 |
· · | the change of state being from liquid to solid or vice-versa [2]

|  | C09K 7/00 |
Well-drilling compositions [2]

|  | C09K 7/00 |
Note(s) Compositions are classified according to their major constituent. [2]

|  | C09K 7/02 |
· | Aqueous fluids containing organic or inorganic compounds [2]

|  | C09K 7/04 |
· · | containing inorganic compounds only [2]

|  | C09K 7/06 |
· | Non-aqueous liquids, e.g. oil-based [2]

|  | C09K 7/08 |
· | Gaseous fluids [2]

|  | C09K 9/00 |
Tenebrescent compositions, i.e. compositions absorbing radiation in a different wavelength range than before as result of an excitation by some form of energy (photographic compositions Fulltext... Hierarchy... Expanded...G03C 1/00); Use of tenebrescent materials [2]

|  | C09K 9/02 |
· | Organic tenebrescent materials [2]

|  | C09K 11/00 |
Luminescent, e.g. electroluminescent, chemiluminescent, compositions; Use of luminescent materials [2]

|  | C09K 11/00 |
Note(s) In the absence of an indication to the contrary, a composition is classified in sub-groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...C09K 11/10-C09K 11/52 in the last appropriate place. [2]

|  | C09K 11/01 |
· | Recovery of luminescent materials [3]

|  | C09K 11/02 |
· | Use of particular materials as binders, particle coatings or suspension media therefor [2]

|  | C09K 11/04 |
· | containing natural or artificial radioactive elements or unspecified radioactive elements [2]

|  | C09K 11/06 |
· | containing organic luminescent materials [2]

|  | C09K 11/07 |
· · | having chemically-interreactive components, e.g. reactive chemiluminescent compositions [3]

|  | C09K 11/08 |
· | containing inorganic luminescent materials [2]

|  | C09K 11/10 |
· · | containing zinc or cadmium [2]

|  | C09K 11/12 |
· · | containing beryllium, magnesium, alkali metals or alkaline earth metals [2]

|  | C09K 11/14 |
· · | containing sulphur [2]

|  | C09K 11/16 |
· · | containing manganese or rhenium [2]

|  | C09K 11/18 |
· · | containing copper, silver or gold [2]

|  | C09K 11/20 |
· · | containing silicon [2]

|  | C09K 11/22 |
· · | containing iron, cobalt or nickel [2]

|  | C09K 11/24 |
· · | containing fluorine, chlorine, bromine, iodine or unspecified halogen elements [2]

|  | C09K 11/26 |
· · | containing gallium, indium or thallium [2]

|  | C09K 11/28 |
· · | containing boron [2]

|  | C09K 11/30 |
· · | containing aluminium [2]

|  | C09K 11/32 |
· · | containing carbon (in organic compounds Fulltext... Hierarchy... Expanded...C09K 11/06) [2]

|  | C09K 11/34 |
· · | containing germanium, tin or lead [2]

|  | C09K 11/36 |
· · | containing refractory metals [2]

|  | C09K 11/38 |
· · · | containing chromium, molybdenum or tungsten [2]

|  | C09K 11/40 |
· · · | containing vanadium [2]

|  | C09K 11/42 |
· · | containing phosphorus [2]

|  | C09K 11/425 |
· · · | also containing alkaline earth metals [3]

|  | C09K 11/43 |
· · · | also containing halogen, e.g. halophosphates [3]

|  | C09K 11/435 |
· · · · | also containing alkaline earth metals [3]

|  | C09K 11/44 |
· · | containing arsenic, antimony or bismuth [2]

|  | C09K 11/447 |
· · · | containing antimony [3]

|  | C09K 11/453 |
· · · · | also containing phosphorus and halogen, e.g. halophosphates [3]

|  | C09K 11/46 |
· · | containing rare earth metals [2]

|  | C09K 11/463 |
· · · | containing cerium [3]

|  | C09K 11/465 |
· · · | containing europium [3]

|  | C09K 11/467 |
· · · | containing terbium [3]

|  | C09K 11/47 |
· · · | containing neodymium [3]

|  | C09K 11/473 |
· · · | containing samarium [3]

|  | C09K 11/475 |
· · · | containing two or more rare earth metals [3]

|  | C09K 11/477 |
· · · · | containing europium [3]

|  | C09K 11/48 |
· · | containing platinum group metals [2]

|  | C09K 11/50 |
· · | containing selenium, tellurium or unspecified chalcogen elements [2]

|  | C09K 11/52 |
· · | containing mercury [2]

|  | C09K 13/00 |
Etching, surface-brightening or pickling compositions (etching or brightening of glass Fulltext... Hierarchy... Expanded...C03C 15/00; chemical surface treatment of metals Fulltext... Hierarchy... Expanded...C23F; cleaning or pickling of metals Fulltext... Hierarchy... Expanded...C23G 1/00, Fulltext... Hierarchy... Expanded...C25F 1/00) [2]

|  | C09K 13/00 |
Note(s) A composition is classified in the last appropriate place. [2]

|  | C09K 13/02 |
· | containing an alkali metal hydroxide [2]

|  | C09K 13/04 |
· | containing an inorganic acid [2]

|  | C09K 13/06 |
· · | with organic material [2]

|  | C09K 13/08 |
· · | containing a fluorine compound [2]

|  | C09K 13/10 |
· · | containing a boron compound [2]

|  | C09K 13/12 |
· | containing heavy metal salts in an amount of at least 50% of the non-solvent components [2]

|  | C09K 15/00 |
Anti-oxidant compositions; Compositions inhibiting chemical change (incorporated in pickling or metal surface treating compositions Fulltext... Hierarchy... Expanded...C09K 13/00; incorporated in foodstuffs Fulltext... Hierarchy... Expanded...A21D, Fulltext... Hierarchy... Expanded...A23; incorporated in macromolecular compositions Fulltext... Hierarchy... Expanded...C08; incorporated in liquid fuels or lubricants Fulltext... Hierarchy... Expanded...C10; incorporated in detergents Fulltext... Hierarchy... Expanded...C11D) [2]

|  | C09K 15/00 |
Note(s) This group provides for inhibiting compositions in general and for applications not specifically provided for elsewhere. [2] In the absence of an indication to the contrary, a composition is classified in the last appropriate place. [2] A metal salt of an organic compound is classified as that compound. [2]

|  | C09K 15/02 |
· | containing inorganic compounds [2]

|  | C09K 15/04 |
· | containing organic compounds [2]

|  | C09K 15/06 |
· · | containing oxygen [2]

|  | C09K 15/08 |
· · · | containing a phenol or quinone moiety [2]

|  | C09K 15/10 |
· · | containing sulphur [2]

|  | C09K 15/12 |
· · | containing sulphur and oxygen [2]

|  | C09K 15/14 |
· · · | containing a phenol or quinone moiety [2]

|  | C09K 15/16 |
· · | containing nitrogen [2]

|  | C09K 15/18 |
· · · | containing an amine or imine moiety [2]

|  | C09K 15/20 |
· · | containing nitrogen and oxygen [2]

|  | C09K 15/22 |
· · · | containing an amide or imide moiety [2]

|  | C09K 15/24 |
· · · | containing a phenol or quinone moiety [2]

|  | C09K 15/26 |
· · | containing nitrogen and sulphur [2]

|  | C09K 15/28 |
· · | containing nitrogen, oxygen and sulphur [2]

|  | C09K 15/30 |
· · | containing heterocyclic ring with at least one nitrogen atom as ring member [2]

|  | C09K 15/32 |
· · | containing boron, silicon, phosphorus, selenium, tellurium or a metal [2]

|  | C09K 15/34 |
· | containing plant or animal materials of unknown composition [2]

|  | C09K 17/00 |
Soil-conditioning compositions or soil-stabilising compositions, e.g. mulches; Use of materials as soil conditioners or soil stabilisers (fertilisers Fulltext... Hierarchy... Expanded...C05; consolidating by placing solidifying or pore filling substances in the soil Fulltext... Hierarchy... Expanded...E02D 3/12) [3]