Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Patent
1974-07-05
1976-06-29
Guynn, Herbert B.
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Tanning
252 857, 2523635, C14C 306, B01F 100
Patent
active
039664023
ABSTRACT:
Process for the manufacture of powdered chromium sulfate soluble in cold water, wherein aqueous chromium sulfate solutions are evaporated in the presence of at least one glycol.
REFERENCES:
patent: 3254938 (1966-06-01), Rodriguez et al.
patent: 3402137 (1968-09-01), Fischer et al.
patent: 3826610 (1974-07-01), Komarek et al.
BASF - Aktiengesellschaft
Guynn Herbert B.
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