IPC Subgroup
C14C 3/04 Mineral tanning
Introduced: September 1968
Last revised: January 2006
Full Title
Tanning; Compositions for tanning > Chemical tanning > Mineral tanning
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- SKINS; HIDES; PELTS OR LEATHER
- Subclass:
- TREATING SKINS, HIDES OR LEATHER WITH CHEMICALS, ENZYMES OR MICROORGANISMS, e.g. TANNING, IMPREGNATING OR FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
1 direct subcode
Child Classifications
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- C14C 3/06 using chromium compounds