Photographic materials and process comprising polymeric couplers

Details Photographic materials and process comprising polymeric couplers Photographic materials and process comprising polymeric couplers

1985-07-17

1986-09-16

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Using identified radiation sensitive composition in the...

430548, G03C 140, G03C 732

Patent

active

046122788

ABSTRACT:
Photographic silver halide materials comprise a polymeric coupler which is at least a copolymer having a repeating unit (A) which comprises at least one coupler moiety (COUP) capable of forming a dye upon coupling with an oxidized color developing agent and at least one repeating unit (B) which is derived from a monomer which is an alkoxyalkylacrylate. The polymeric coupler optionally comprises at least one repeating unit (C) derived from such monomers as those useful for repeating unit (A), those useful for repeating unit (B) and other monomers which can be selected to provide useful physical and chemical properties. The photographic material comprising such a polymeric coupler upon exposure and processing enables formation of a dye image having increased dye density.

REFERENCES:
patent: 3370952 (1968-02-01), Dawson
patent: 3926436 (1975-12-01), Monbaliu et al.
patent: 4080211 (1978-03-01), Paesschen et al.
patent: 4388404 (1983-06-01), Morigaki et al.
patent: 4411987 (1983-10-01), Kobayashi et al.
patent: 4474870 (1984-10-01), Yagihara et al.
Research Disclosure, Dec. 1978, Item No. 17643.

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