Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Patent
1975-10-02
1977-03-01
Schofer, Joseph L.
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Tanning
8177AB, 2603092, D06P 138, C07D23512, D06P 370
Patent
active
040099946
ABSTRACT:
The invention relates to new quaternized benzofuranyl-benzimidazole derivatives which can be prepared by known methods. Said compounds are useful as optical brighteners for organic material.
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Almaula Prabodh T.
Ciba-Geigy Corporation
Clingman A. L.
Kolodny Joseph G.
McC. Roberts Edward
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