Gas separation: apparatus – Apparatus for selective diffusion of gases – Membrane to degasify liquid
Patent
1975-04-28
1977-05-17
Klein, David
Gas separation: apparatus
Apparatus for selective diffusion of gases
Membrane to degasify liquid
96 22, 96 74, G03C 704, G03C 176, G03C 716
Patent
active
040239705
ABSTRACT:
A light-sensitive color photographic material comprises four silver halide emulsion layer units, one for recording each of the yellow, magenta and cyan partial images and one which serves as a color correction layer. The latter mentioned silver halide emulsion layer is fogged, has a lower light-sensitivity than the light-sensitive partial image recording layer, and contains color couplers for producing a yellow to magenta masking image to compensate for the undesired side densities in at least two image recording layers.
REFERENCES:
patent: 2253070 (1941-08-01), Evans
patent: 2319369 (1943-05-01), Sease
patent: 3148062 (1964-09-01), Whitmore et al.
patent: 3227554 (1966-01-01), Barr et al.
patent: 3364022 (1968-01-01), Barr
Hellmig Ehrhard
Ranz Erwin
AGFA-Gevaert A.G.
Klein David
Schilling Richard L.
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