3-anilino pyrazolone magenta couplers and process

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...

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430387, G03C 738

Patent

active

056057873

ABSTRACT:
Magenta image-dye couplers provide photographic elements and processes having superior photographic properties. The couplers are 3-anilino pyrazolone couplers having an aryl thio coupling-off group. The substituents of the coupler are specified to obtain advantageous properties.

REFERENCES:
patent: 5250405 (1993-10-01), Merkel et al.
patent: 5256528 (1993-10-01), Merkel et al.
patent: 5262262 (1993-11-01), Krishnamurthy et al.
patent: 5298368 (1994-03-01), Merkel et al.

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