Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Patent
1976-06-17
1978-05-02
Clingman, A. Lionel
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Tanning
8 1W, 8 39R, 8 41R, 8 42R, 8 76, 8 85B, 8 88, 8 89R, 8 92, 8 93, C09B 6700, D06P 1645
Patent
active
040872459
ABSTRACT:
Stable, concentrated solutions of anionic dyestuffs are prepared by reacting the alkali metal or ammonium salts of anionic dyestuffs and brighteners, which are usually obtained from the industrial preparation process, in water-soluble organic solvents, optionally in the presence of water, with salts of nitrogen bases which impart hydrophilic properties, in accordance with the reaction equation
REFERENCES:
patent: 4005066 (1977-01-01), Gottschalk et al.
Bleck Wolf Eckhard
Kramer Erich
Bayer Aktiengesellschaft
Clingman A. Lionel
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