Magenta-masked color azopyrazolinone couplers

Details Magenta-masked color azopyrazolinone couplers Magenta-masked color azopyrazolinone couplers

1979-08-08

1981-07-07

Doll, John

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260163, 260158, 430555, C09B 2900, C09B 2946

Patent

active

042773989

ABSTRACT:
Orange colored magenta color couplers of the general formula ##STR1## are provided, in which R is optionally substituted alkyl, aralkyl, aryl or a heterocyclic group, X is optionally substituted aryl, Y is optionally substituted acyl-amino, aroyl amino or aryl amino and Z represents further optional substituents of the phenyl ring. Preferably Y also contains a ballasting group, which is a long claim alkyl group having 10 to 24 carbon atoms in the chain.

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patent: 3751406 (1973-08-01), Bloom
patent: 3925347 (1975-12-01), Huyffer
patent: 3928312 (1975-12-01), Fleckenstein
patent: 3931144 (1976-01-01), Eldredge et al.
patent: 3932380 (1976-01-01), Krutak et al.
patent: 4013633 (1977-03-01), Haase et al.
patent: 4165987 (1979-08-01), Green et al.
patent: 4200570 (1980-04-01), Steiner

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