IPC Classification

Class code (prefix) Descriptions Number of results
C10C 1/00 Working-up tar
C10C 1/02 Removal of water
C10C 1/04 Working-up tar by distillation
C10C 1/06 Removal of water
C10C 1/08 Winning of aromatic fractions
C10C 1/10 Winning of aromatic fractions benzene fraction
C10C 1/12 Winning of aromatic fractions naphthalene fraction
C10C 1/14 Winning of tar oils from tar
C10C 1/16 Winning of pitch
C10C 1/18 Working-up tar by extraction with selective solvents
C10C 1/19 Working-up tar by thermal treatment not involving distillation
C10C 1/20 Refining by chemical means
C10C 3/00 Working-up pitch, asphalt, bitumen
C10C 3/02 Working-up pitch, asphalt, bitumen by chemical means
C10C 3/04 Working-up pitch, asphalt, bitumen by chemical means by blowing or oxidising
C10C 3/06 Working-up pitch, asphalt, bitumen by distillation
C10C 3/08 Working-up pitch, asphalt, bitumen by selective extraction
C10C 3/10 Melting
C10C 3/12 Devices therefor
C10C 3/14 Solidifying; Disintegrating, e.g. granulating
C10C 3/16 Solidifying; Disintegrating, e.g. granulating 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