Concentrated solutions of anionic dyestuffs

Details Concentrated solutions of anionic dyestuffs Concentrated solutions of anionic dyestuffs

1974-08-08

1976-12-07

Hoke, V.P.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 54, 8 542, 8172R, D06P 314

Patent

active

039959970

ABSTRACT:
Anionic dyestuffs which contain as the cation at least one cation of the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 denote alkyl with 1-6 C-atoms, cycloalkyl with 5-7 C-atoms or aralkyl with 7-12 C-atoms or represent a group ##STR2## wherein R.sub.4 and R.sub.5 denote hydrogen, methyl or ethyl and

REFERENCES:
patent: 2986444 (1961-05-01), Rokohl et al.
patent: 3307901 (1967-03-01), Bindler et al.
patent: 3446569 (1969-05-01), Braun et al.
patent: 3529922 (1970-09-01), Berger et al.

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