Carboxy-ester lactone polymer neutralizing-timing layer for colo

Details Carboxy-ester lactone polymer neutralizing-timing layer for colo Carboxy-ester lactone polymer neutralizing-timing layer for colo

1982-12-10

1983-12-27

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Nonradiation sensitive image processing compositions or...

Shortstop

430216, 428480, 428522, 526271, 526272, 526318, G03C 140, G03C 554, B32B 2706, C08F 3402

Patent

active

044231415

ABSTRACT:
Photographic assemblages, elements, receiving elements and cover sheets are described employing a single neutralizing-timing layer consisting essentially of a carboxy-ester-lactone polymer having the following recurring units: ##STR1## wherein R is alkyl having from 1 to about 12 carbon atoms or aralkyl having from 7 to about 12 carbon atoms;

REFERENCES:
patent: 2306071 (1942-12-01), McNally et al.
patent: 3007901 (1961-11-01), Minsk
patent: 3362819 (1968-01-01), Land
patent: 3362821 (1968-01-01), Land
patent: 4029849 (1977-05-01), Abel
patent: 4229516 (1980-10-01), Abel
Research Disclosure, Item 12331, vol. 123, Jul. 1974.

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