Bleaching and dyeing; fluid treatment and chemical modification – Nontextile – dyeing process or product – including inorganic...
Patent
1995-12-01
1997-05-06
Lieberman, Paul
Bleaching and dyeing; fluid treatment and chemical modification
Nontextile, dyeing process or product, including inorganic...
8512, 8516, 8565, 8568, 8569, 8574, 8576, 8578, 8579, D06P 300, D06P 324, D06P 352
Patent
active
056266332
ABSTRACT:
Dyestuffs of the formula (I) ##STR1## wherein n denotes 1 or 2,
T denotes O or N--R.sub.0, wherein
R.sub.0 denotes H, alkyl, aryl or acyl or, together with R.sub.2 or R.sub.3, forms a 5- to 7-membered ring,
R.sub.1 if n=1, denotes aryl, hetaryl or heterocyclylidenemethyl and
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Bayer Aktiengesellschaft
Dusheck Caroline L.
Lieberman Paul
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