Tanning process and tanning compositions

Details Tanning process and tanning compositions Tanning process and tanning compositions

C - Chemistry, Metallurgy

14

C

8/72

C14C 3/06 (2006.01)

Patent

CA 1164156

Abstract of the disclosure : A tanning process comprising pickling a hide which has previously subjected to beamhouse works such as depilation if necessary, decalcification and beating, in the presence of urotropin and at least one tanning improver selected from chromium and aluminum salts as well as from phenolic compounds, organic compounds containing nitrogen and sulphur or halogen atoms, organic carboxylic acids, organotin compounds, copper compounds and arsenic compounds.

351652

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