IPC 7 English version
C10C-C10C00500

SECTION C – CHEMISTRY; METALLURGY


C 10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT


C 10 CWORKING-UP TAR, PITCH, ASPHALT, BITUMEN; PYROLIGNEOUS ACID (compositions of bituminous materials C08L 95/00; carbon filaments by decomposition of organic filaments D01F 9/14)


1/

00Working-up tar (coumarone resins C08F 244/00; obtaining hydrocarbon oils C10G) [4]

1/

02.Removal of water (by distillation C10C 1/06)

1/

04.by distillation

1/

06..Removal of water

1/

08..Winning of aromatic fractions

1/

10...benzene fraction

1/

12...naphthalene fraction

1/

14..Winning of tar oils from tar

1/

16..Winning of pitch

1/

18.by extraction with selective solvents

1/

19.by thermal treatment not involving distillation  [4]

1/

20.Refining by chemical means


3/

00Working-up pitch, asphalt, bitumen

3/

02.by chemical means

3/

04..by blowing or oxidising

3/

06.by distillation

3/

08.by selective extraction

3/

10.Melting

3/

12..Devices therefor

3/

14.Solidifying; Disintegrating, e.g. granulating

3/

16..by direct contact with liquids

3/

18.Removing in solid form from reaction vessels, containers and the like, e.g. by cutting out, by pressing


5/

00Production of pyroligneous acid (carbonisation of wood C10B)