Organic compounds -- part of the class 532-570 series – Organic compounds – Azo
Patent
1991-05-23
1993-08-03
Lee, Mary G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Azo
534602, 534717, 534835, 8437, 8527, 8918, 8919, C09B 4528, D06P 110
Patent
active
052330273
ABSTRACT:
The new disazo dyestuffs of the formula (I) ##STR1## in which the substituents and indices have the meaning given in the description, and salts thereof are outstandingly suitable for dyeing cellulose-containing materials and leather in blue shades having good wet- and light-fastnesses.
REFERENCES:
patent: 4988805 (1991-01-01), Kunde
Shimizu et al, Chemical Abstracts, vol. 112, No. 219079x (1990).
Suzuki et al, Chemical Abstracts, vol. 112, No. 57805b (1990).
Nippon, Chemical Abstracts, vol. 98, No. 73825f (1983).
Hinrichs Rolf
Kunde Klaus
Bayer Aktiengesellschaft
Lee Mary G.
Powers Fiona T.
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