Photographic material and process (B)

Details Photographic material and process (B) Photographic material and process (B)

1988-06-30

1989-08-15

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Using identified radiation sensitive composition in the...

430223, 430226, 430376, 430385, 430387, 430389, 430512, 430542, 430543, 430548, 430551, 430557, 430544, 430553, 430558, 430559, 430564, 430566, 430598, 430607, 430955, 430957, 430959, G03C 554, G03C 726, G03C 734, G03C 736

Patent

active

048574406

ABSTRACT:
Photographic compound (A) capable of releasing a photographically useful group by means of intramolecular nucleophilic displacement exhibits increased resistance to hydrolysis when the compound contains in a coupling position a coupling-off group represented by the formula: ##STR1## wherein Q, R.sub.q, R.sub.1, R.sub.2, R.sub.3, n and PUG are as defined in the application. Such a compound (A) is useful in a photographic silver halide material and process.

REFERENCES:
patent: 3311476 (1967-02-01), Loria
patent: 4248962 (1981-02-01), Lau
patent: 4409323 (1983-10-01), Sato et al.

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