IPC Main Group
C10M 121/00 Lubricating compositions characterised by the thickener being a compound of unknown or incompletely defined constitution
Introduced: January 1985
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- Subclass:
- LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
2 direct subcodes
Child Classifications
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- C10M 121/02 Petroleum fractions, e.g. tars
- C10M 121/04 Reaction products