IPC Subgroup
C14C 3/12 using purified or modified vegetable tanning agents
Introduced: September 1968
Last revised: January 2006
Full Title
Tanning; Compositions for tanning > Chemical tanning > by organic agents > Vegetable tanning > using purified or modified vegetable tanning agents
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