IPC Subgroup
C14C 3/32 Recovering tanning agents from leather
Introduced: September 1968
Last revised: January 2006
Full Title
Tanning; Compositions for tanning > Recovering tanning agents from leather
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