Yellow forming colour couplers for photographic silver halide material
Abstract
Abstract 1. PHOTOGRAPHIC COLOR MATERIAL COMPRISING IN A LIGHTSENSITIVE HALIDE EMULSION LAYER OR IN A NON-LIGHT-SENSITIVE WATER-PERMEABLE COLLOID LAYER IN WATER-PERMEABLE RELATIONSHIP WITH THE LIGHT-SENSITIVE SILVER HALIDE EMULSION LAYER AT LAST ONE COLOUR COUPLER CORRESPONDING TO THE FORMULA: R1-O-(1,2-PHENYLENE)-CO-CH(-X)-CO-NH-(2-(R2-O-)-1,4- PHENYLENE)-Y WHEREIN: X REPRESENTS HYDROGEN, HALOGEN,-S-R'' AND -O-R" WHEREIN R'' IS ALKYL, ARYL, OR HETEROCYCLE, AND R" IS ALKYL, ARYL, OR ACYL, R1 AND R2 REPRESENT STRAIGHT-CHAIN OR BRANCHED-CHAIN ALKYL HAVING FROM 1 TO ABOUT 20 C-ATOMS, AND Y STANDS FOR COOR3, -CO-N(-R4)-R5, -SO2-R6 OR -SO2-N(-R7)-R8 WHEREIN R3 AND R6 REPRESENT A STRAIGHT-CHAIN OR BRANCHED-CHAIN ALKYL GROUP OR AN ALKOXY ALKYL GROUP, AND R4, R5, R7 AND R8 REPRESENT HYDROGEN OR HAVE THE SAME SIGNIFICCANCE GIVEN FOR R3 AND R6, THE COLOR COUPLER MOLECULE COMPRISING AT LEAST ONE ALKYL GROUP RENDERING THE MOLECULE FAST TO DIFFUSION IN HYDROPHILIC COLLOID MEDIA.
Inventors
- 👤 Poucke R Van
- 👤 G Benoy
- 👤 Cat A De
Bibliographic Details
Claims Analysis
Total Claims: 2References Cited (Backward Citations)
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