Timing layers for color transfer assemblages containing...

Details Timing layers for color transfer assemblages containing... Timing layers for color transfer assemblages containing...

G - Physics

03

C

96/185, 96/26, 9

G03C 8/54 (2006.01) G03C 8/52 (2006.01)

Patent

CA 1172495

Abstract of the Disclosure Photographic assemblages, elements, receiv- ing elements and cover sheets comprise a combination of two timing layers and a neutralizing layer for use with negative-working silver halide emulsions and positive-working redox dye-releasers. The outermost timing layer has a negative temperature coefficient and has a development accelerator associated there- with to increase the development of the silver halide emulsion at low temperatures. The timing layer next to the neutralizing layer has a greater penetration time by the alkaline processing composition as that the neutralizing layer is permeated only after silver halide development has been substantially completed. The temperature latitude of the system is thereby increased.

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