Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent
Patent
1990-02-23
1992-06-16
Lee, Mary C.
Organic compounds -- part of the class 532-570 series
Organic compounds
Chalcogen in the nitrogen containing substituent
534617, 534618, 534619, 534624, 534625, 534628, 534634, 534635, 540126, 8527, 8549, C09B 6204, C09B 1902, C09B 6726, D06P 1382
Patent
active
051226057
ABSTRACT:
Sulpho group-containing dioxazine compounds corresponding to the formula ##STR1## in which the symbols are as defined in the specification, and salts thereof as well as dyeing preparations thereof are useful for dyeing or printing hydroxy group- or nitrogen-containing organic substrates, optionally combined with a special after-treatment of the dyed or printed textiles thus obtained to improve their wet fastness properties. Most preferred substrates are textile material containing or consisting of cellulose and paper.
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Kassenoff Melvyn M.
Lee Mary C.
Powers Fiona T.
Sandoz Ltd.
Sharkin Gerald D.
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