Yellow forming colour couplers for photographic silver halide material
Abstract
Abstract 1. PHOTOGRAPHIC COLOUR MATERIAL COMPRISING IN A LIGHTSENSITIVE SILVER HALIDE EMULSION LAYER OR IN A NON-LIGHTSENSITIVE WATER-PERMEABLE COLLOID LAYER IN ATER-PERMEABLE RELATIONSHIP WITH THE LIGHT-SENSITIVE SILVER HALIDE EMULSION LAYER AT LAST ONE COLOR COUPLER CORRESPONDING TO THE FORMULA: AR-CO-CH(-X)-CO-NH-(2-(R-O-)-1,4-PHENYLENE)-COOH WHEREIN: AR STANDS FOR PHENYL, X STANDS FOR HYDROGEN, HALOGEN, -S-R'' AND -O-R" WHEREIN R'' IS ALKYL, ARYL, OR HETEROCYCLE, AND R" IS ALKYL, ARYL, OR ACYL, AND R STANDS FOR A STRAIGHT-CHAIN OR BRANCHED-CHAIN ALKYL GROUP HAVING FROM 1 TO ABOUT 20 C-ATOMS, THE COLOUR COUPLER MOLECULAR COMPRISNG AT LEAST ONE STRAIGHT-CHAIN OR BRANCHED-CHAIN ALKYL GROUP RENDERING THE MOLECULE FAST TO DIFFUSION IN HYDROPHILLIC COLLOID MEDIA.
Inventors
- 👤 Poucke R Van
- 👤 Cat A De
- 👤 G Benoy
Bibliographic Details
Claims Analysis
Total Claims: 2References Cited (Backward Citations)
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