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 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 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 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 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 C03C 15/00; chemical surface treatment of metals C23F; cleaning or pickling of metals C23G 1/00, 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 C09K 13/00; incorporated in foodstuffs A21D, A23; incorporated in macromolecular compositions C08; incorporated in liquid fuels or lubricants C10; incorporated in detergents C11D)  [2]
 C09K 15/00

Note(s)

  1. This group provides for inhibiting compositions in general and for applications not specifically provided for elsewhere. [2]
  2. In the absence of an indication to the contrary, a composition is classified in the last appropriate place. [2]
  3. 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 C05; consolidating by placing solidifying or pore filling substances in the soil E02D 3/12)  [3]