IPC Subgroup
C10C 3/16 by direct contact with liquids
Introduced: September 1968
Last revised: January 2006
Full Title
Working-up pitch, asphalt, bitumen > Solidifying; Disintegrating, e.g. granulating > by direct contact with liquids
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- Subclass:
- WORKING-UP TAR, PITCH, ASPHALT, BITUMEN; PYROLIGNEOUS ACID