Organic compounds -- part of the class 532-570 series – Organic compounds – Azo
Patent
1982-08-03
1985-02-05
Higel, Floyd D.
Organic compounds -- part of the class 532-570 series
Organic compounds
Azo
564272, 564273, 564274, 564 85, 534703, 534738, 534778, 534780, 534787, C09B 4506, C09B 4516, D06P 110, D06P 332
Patent
active
044977344
ABSTRACT:
Asymmetrical 1:2 chromium complex dyestuffs which, in the form of the free acid, correspond to the formula ##STR1## wherein X represents CO or a direct bond and
REFERENCES:
patent: 2734052 (1956-02-01), Dittmar et al.
patent: 2753344 (1956-07-01), Schmidt et al.
patent: 2807627 (1957-09-01), Putter et al.
patent: 2985646 (1961-05-01), Schetty et al.
patent: 4052374 (1977-10-01), Baumann
Bayer Aktiengesellschaft
Higel Floyd D.
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