Colour diffusion transfer photography

Details Colour diffusion transfer photography Colour diffusion transfer photography

G - Physics

03

C

96/191, 96/32

G03C 1/40 (2006.01) C09B 29/15 (2006.01) C09B 29/16 (2006.01) C09B 29/28 (2006.01) C09B 29/30 (2006.01) C09B 29/50 (2006.01) G03C 8/04 (2006.01)

Patent

CA 1123647

Abstract Photographic material suited for the production of multi- colour images by means of diffusion transfer of complexed silver halide. A photographic material for the production of multi- colour images by means of diffusion transfer of complexed silver halide is provided. Said material contains a sup- port having thereon at least three differently spectrally sensitive silver halide emulsion layers that are each sensitive to light of a different additive primary colour, associated with each silver halide emulsion layer a sil- ver precipitating layer containing development nuclei and a different dye-releasing compound for producing a sub- tractive multicolour image, and optionally one or more non-light-sensitive, non dye-releasing water-permeable hydrophilic colloid interlayers. In said material for better colour separation the layers are arranged in a spe- cial order. GV.998

319791

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