Bleaching and dyeing; fluid treatment and chemical modification – Dry dye composition other than mere mixture of two or more... – Dye in specified form other than mere powder
Patent
1990-12-21
1991-12-03
Clingman, A. Lionel
Bleaching and dyeing; fluid treatment and chemical modification
Dry dye composition other than mere mixture of two or more...
Dye in specified form other than mere powder
8532, 8662, 8922, 534575, C09B 6702, C09B 6748, D06P 118
Patent
active
050696823
ABSTRACT:
The present invention relates to the .beta.-modification of the dye of the formula I ##STR1## to a process for its preparation, to its use, and to a dye preparation containing it.
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Binder Rudolf
Hofmann Klaus
Schophoff Friedrich
Cassella Aktiengesellschaft
Clingman A. Lionel
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