Bleaching and dyeing; fluid treatment and chemical modification – Dye or potential dye composition – additive – treatment,... – Mixed dyes – noncomplexed
Patent
1992-12-04
1994-01-25
Rotman, Alan L.
Bleaching and dyeing; fluid treatment and chemical modification
Dye or potential dye composition, additive, treatment,...
Mixed dyes, noncomplexed
534843, 534854, 549 60, 549299, C07D40702, C07D40910, C09B 4912
Patent
active
052812413
ABSTRACT:
A polycylic dye of the Formula (1): ##STR1## wherein: R.sup.1 is --OSO.sub.2 R in which R is optionally substituted alkyl, alkoxy, aryl, alkoxyaryl, cycloalkyl or heteroaryl;
Rotman Alan L.
Trinh Ba K.
Zeneca Limited
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