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
 C11
ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES (edible oil or fat compositions A23)
 C11B
PRODUCING (pressing, extraction), REFINING OR PRESERVING FATS, FATTY SUBSTANCES (e.g. lanolin), FATTY OILS OR WAXES, INCLUDING EXTRACTION FROM WASTE MATERIALS; ESSENTIAL OILS; PERFUMES (drying-oils C09F)
 C11B 1/00
Production of fats or fatty oils from raw materials
 C11B 1/02
·  Pretreatment
 C11B 1/04
·  ·  of vegetable raw material
 C11B 1/06
·  by pressing
 C11B 1/08
·  ·  by hot pressing
 C11B 1/10
·  by extracting
 C11B 1/12
·  by melting out
 C11B 1/14
·  ·  with hot water or aqueous solutions
 C11B 1/16
·  ·  with steam
 C11B 3/00
Refining fats or fatty oils
 C11B 3/02
·  by chemical reaction
 C11B 3/04
·  ·  with acids
 C11B 3/06
·  ·  with bases
 C11B 3/08
·  ·  with oxidising agents
 C11B 3/10
·  by adsorption
 C11B 3/12
·  by distillation
 C11B 3/14
·  ·  with the use of indifferent gases or vapours, e.g. steam
 C11B 3/16
·  by mechanical means
 C11B 5/00
Preserving by using additives, e.g. anti-oxidants
 C11B 7/00
Separation of mixtures of fats or fatty oils into their constituents, e.g. saturated oils from unsaturated oils
 C11B 9/00
Essential oils; Perfumes (synthesis of chemical substances C07)
 C11B 9/02
·  Recovery or refining of essential oils from raw materials
 C11B 11/00
Recovery or refining of other fatty substances, e.g. lanolin, waxes (synthetic waxes C07, C08; mineral waxes C10G)
 C11B 13/00
Recovery of fats, fatty oils, or fatty acids from waste materials (mechanical separation from waste water C02F, E03F)
 C11B 13/02
·  from soap stock
 C11B 13/04
·  from spent adsorption materials
 C11B 15/00
Solidifying fatty oils, fats, or waxes by physical processes