C
SECTION C — CHEMISTRY AND METALLURGY
  
CHEMISTRY
 C10
PETROLEUM, GAS AND COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
 C10C
WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
 C10C 1/00
Working-up tar (coumarone resins C08F 5/02)
 C10C 1/02
·  Removal of water (by distillation C10C 1/06)
 C10C 1/04
·  by distillation
 C10C 1/06
·  ·  Removal of water
 C10C 1/08
·  ·  Winning of aromatic fractions
 C10C 1/10
·  ·  ·  benzene fraction
 C10C 1/12
·  ·  ·  naphthalene fraction
 C10C 1/14
·  ·  Winning of tar oils from tar
 C10C 1/16
·  ·  Winning of pitch
 C10C 1/18
·  by extraction with selective solvents (preparation of hydrocarbon oils from tar oils C10G 21/00)
 C10C 1/20
·  Refining by chemical means (obtaining hydrocarbon oils C10G)
 C10C 3/00
Working-up pitch, asphalt, bitumen
 C10C 3/02
·  by chemical means
 C10C 3/04
·  ·  by blowing and/or oxidising
 C10C 3/06
·  by distillation
 C10C 3/08
·  by selective extraction
 C10C 3/10
·  Melting
 C10C 3/12
·  ·  Devices therefor
 C10C 3/14
·  Solidifying; Disintegrating, e.g. granulating
 C10C 3/16
·  ·  by direct contact with liquids
 C10C 3/18
·  Removing in solid form from reaction vessels, containers and the like, e.g. by cutting out, by pressing
 C10C 5/00
Production of pyroligneous acid (carbonisation of wood C10B)