C
SECTION C — CHEMISTRY AND METALLURGY
  
CHEMISTRY
 C12
FERMENTATION INDUSTRY; BEER; SPIRITS; WINE; VINEGAR; YEAST
 C12H
PASTEURISATION; STERILISATION; PRESERVATION; PURIFICATION; CLARIFICATION; AGEING
 C12H 1/00
Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages (simulating ageing by flavouring C12G 3/06)
 C12H 1/02
·  combined with removal of precipitate or added materials, e.g. adsorption material
 C12H 1/04
·  ·  with the aid of ion-exchange material or inert clarification material, e.g. adsorption material
 C12H 1/06
·  ·  Precipitation by physical means, e.g. by irradiation, vibrations
 C12H 1/08
·  ·  ·  by heating
 C12H 1/10
·  ·  Precipitation by chemical means
 C12H 1/12
·  without precipitation
 C12H 1/14
·  ·  with non-precipitating compounds, e.g. sulphiting; Sequestration, e.g. with chelate-producing compounds
 C12H 1/16
·  ·  by physical means, e.g. irradiation
 C12H 1/18
·  ·  ·  by heating
 C12H 1/20
·  ·  ·  ·  in containers allowing for expansion of the contents
 C12H 1/22
·  Ageing or ripening by storing, e.g. lagering of beer