Photographic elements with development inhibitor precursor

Details Photographic elements with development inhibitor precursor Photographic elements with development inhibitor precursor

1986-04-10

1987-11-24

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430219, 430382, 430390, 430445, 430544, 430559, 430611, 430957, 430960, G03C 554, G03C 140

Patent

active

047089270

ABSTRACT:
A novel photographic element is disclosed. The element comprises a light-sensitive element including a light-sensitive silver halide emulsion layer coated on a support, wherein said silver halide emulsion layer or other photographic layers contain at least one development inhibitor precursor represented by formula (I) ##STR1## wherein A represents a phenyl group or a 5- or 6-membered nitrogen-containing heterocyclic ring group; L represents a chemical bond or divalent linking group; p and q each represents an integer of 1 or 2; and n represents 0 or 1.

REFERENCES:
patent: 4472493 (1984-09-01), Okamura et al.
patent: 4511644 (1985-04-01), Okamura et al.
patent: 4562138 (1985-12-01), Uemura et al.
patent: 4584257 (1986-04-01), Okamura et al.

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