Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent
Patent
1986-08-27
1989-07-25
Raymond, Richard L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Chalcogen in the nitrogen containing substituent
544 75, 544 77, C07D49804, C09B 1900, C09B 1902
Patent
active
048515272
ABSTRACT:
Water-soluble triphendioxazine compounds of the formula ##STR1## having at least one sulfato or sulfo group, in which R is a hydrogen atom, a water-solubilizing group, an alkyl group having 1 to 6 carbon atoms which is substituted by an acidic group, or an optionally substituted sulfonamide group,
REFERENCES:
patent: 4577015 (1986-03-01), Jager et al.
patent: 4591643 (1986-05-01), Jager et al.
patent: 4629788 (1986-12-01), Jager
Helmling Walter
Schwaiger Gunther
Springer Hartmut
Hoechst Aktiengesellschaft
Raymond Richard L.
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