Naphthostyril dyestuffs

Details Naphthostyril dyestuffs Naphthostyril dyestuffs

1977-02-25

1980-05-06

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

544242, 546134, 546138, 548325, 548335, 546 72, 548128, 548141, 548159, 548181, 548217, 548222, 548327, C07D27712, C07D28508, C07D28512

Patent

active

042017130

ABSTRACT:
The subject of the invention are dyestuffs of the formula ##STR1## wherein R is hydrogen or a hydrocarbon radical

REFERENCES:
patent: 3539583 (1970-11-01), Voltz et al.
patent: 3755442 (1973-08-01), Levine
patent: 3862117 (1975-01-01), Leverenz

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