Tanning process and tanning compositions

Details Tanning process and tanning compositions Tanning process and tanning compositions

1980-05-07

1982-09-07

Tungol, Maria Parrish

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Treatment of untanned skins or hides

8 9426, 8 9427, C14C 104, C14C 306

Patent

active

043482015

ABSTRACT:
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.

REFERENCES:
patent: 3138610 (1964-06-01), Buc et al.
patent: 3415935 (1968-12-01), Friker et al.
patent: 3482925 (1969-12-01), Schmid et al.
patent: 3521990 (1970-07-01), Schmid et al.
patent: 3870464 (1975-03-01), Briggs
patent: 4211529 (1980-07-01), Spahrkas et al.

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