Coversheet for color transfer assemblages

Details Coversheet for color transfer assemblages Coversheet for color transfer assemblages

1981-10-02

1982-11-02

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

428480, 430212, 430215, 430219, 430564, B32B 2730, G03C 700

Patent

active

043573924

ABSTRACT:
Photographic assemblages, elements, receiving elements and cover sheets comprise a combination of two timing layers and a neutralizing layer. The outermost timing layer contains photographic addenda, such as development inhibitors, for substantially terminating development of the silver halide emulsion. The timing layer next to the neutralizing layer has a much longer breakdown time so that it is permeated by the alkaline processing composition only after silver halide development has been substantially terminated.

REFERENCES:
patent: 3362819 (1968-01-01), Land
patent: 3706557 (1972-12-01), Arond
patent: 3779756 (1973-12-01), Farran et al.
patent: 4009029 (1977-02-01), Hammond et al.
patent: 4029849 (1977-06-01), Abel
patent: 4056394 (1977-11-01), Hannie
patent: 4061496 (1977-12-01), Hannie et al.
patent: 4229516 (1980-10-01), Abel
patent: 4256826 (1981-03-01), Popp et al.
Research Disclosure, 1979, Item No. 18452.

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