Nondiffusible photographic couplers and photographic elements an

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

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430553, 430554, 430555, 430556, 430557, 430558, G03C 726

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active

044435363

ABSTRACT:
Photographic couplers comprising a coupler moiety and a ballast moiety have advantageous properties when the ballast moiety is terminated with a hydroxyphenylsulfonyl or hydroxyphenylsulfinyl group. The couplers are useful in photographic emulsions and element.

REFERENCES:
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patent: 4032346 (1977-06-01), Furutachi et al.
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patent: 4254212 (1981-03-01), Yagihara et al.
patent: 4296200 (1981-10-01), Yagihara et al.
patent: 4334011 (1982-06-01), Aohi et al.
Research Disclosure, May 1977, Item No. 15737.

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