IPC Main Group
C10C 3/00 Working-up pitch, asphalt, bitumen
Introduced: September 1968
Last revised: January 2006
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
Related Keywords
working-up ASPHALTworking-up BITUMENdistilling, granulating or working-up PITCH
6 direct subcodes
Child Classifications
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