Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1980-08-04
1982-02-02
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Transfer procedure between image and image layer, image...
Diffusion transfer process, element, or identified image...
430218, 430214, 430219, 430523, 430564, 430212, 430536, G03C 700, G03C 554, G03C 140
Patent
active
043140203
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: 3706557 (1972-12-01), Arond
patent: 3779756 (1973-12-01), Farran et al.
patent: 4009029 (1977-02-01), Hammond et al.
patent: 4056394 (1977-11-01), Hannie
patent: 4061496 (1977-12-01), Hannie et al.
patent: 4190447 (1980-02-01), Coil et al.
patent: 4229516 (1980-10-01), Abel
Research Disclosure, 1979, Item No. 18452.
U.S. Application Ser. No. 948,062 of Abel, filed 10/2/78.
U.S. Application Ser. No. 933,399 of Popp et al., filed 8/14/78.
Ducharme Gerald L.
Reed Kenneth J.
Saturno Patrick H.
Cole Harold E.
Eastman Kodak Company
Goodrow John L.
Schilling Richard L.
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