Multilayer multicolor photographic materials

Details Multilayer multicolor photographic materials Multilayer multicolor photographic materials

1975-06-04

1977-08-09

Klein, David

Gas separation: apparatus

Apparatus for selective diffusion of gases

Membrane to degasify liquid

96 74, G03C 704, G03C 300

Patent

active

040408299

ABSTRACT:
An incorporated-dye image forming coupler type multilayer multicolor photographic material comprising a support having thereon at least two silver halide emulsion layers each of which is sensitive to a different spectral wavelength range, with the silver halide emulsion layer which first receives light at image exposure being positioned so that the light is received through a non-sensitive hydrophilic layer containing a semidiffusible color coupler which forms a dye image having a substantially complimentary color to the sensitive wavelength range of the silver halide emulsion layer first receiving light at image exposure and which has a diffusion coefficient of from about 0.25 to 0.80 as defined by the relationship

REFERENCES:
patent: 2166049 (1939-07-01), Gaspar
patent: 2220187 (1940-11-01), Wilmanns et al.
patent: 2386167 (1945-10-01), Murray

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