Triphendioxazine dyestuffs

Details Triphendioxazine dyestuffs Triphendioxazine dyestuffs

Filed on

1982-12-23

Date issued

1984-09-18

Examiner

Raymond, Richard

Patent Class

Organic compounds -- part of the class 532-570 series

SubClass

Organic compounds

SubSubClass

Chalcogen in the nitrogen containing substituent

Other Related Categories

544 75, C07D49804

Type

Patent

Status

active

Patent number

044725752

Description

ABSTRACT:
A dyestuff of the formula: ##STR1## wherein: the groups X.sub.1 and X.sub.2 are independently hydrogen, halogen, alkyl, alkoxy or aryl;

REFERENCES:
patent: 3996221 (1976-12-01), Leng
patent: 4092478 (1978-05-01), Plant
patent: 4213899 (1980-07-01), Phillips et al.
patent: 4400504 (1983-08-01), Harms et al.

Affiliated with

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