Inventor

VAN POUCKE RAPHAEL K

BE14 patents

Patents

14 patents

US5030544AJul 9, 1991

Photographic elements comprising thiazolyl couplers capable of forming infrared-absorbing dyes for integral sound track

AGFA GEVAERT NV22 citations84

US4340664AJul 20, 1982

Copolymer latex and photographic silver halide materials containing such latex

AGFA GEVAERT NV26 citations82

US4130427ADec 19, 1978

Silver halide emulsion containing two-equivalent color couplers for yellow

AGFA GEVAERT NV25 citations81

US4128427ADec 5, 1978

Silver halide emulsions containing polymeric color couplers

AGFA GEVAERT NV15 citations73

US4342825AAug 3, 1982

Photographic elements containing cyan-forming color couplers

AGFA GEVAERT NV17 citations72

US4123281AOct 31, 1978

Photographic silver halide color material containing fast-acting hardener and 2-pyrazolin-5-one coupler precursors

AGFA GEVAERT NV9 citations71

US4430421AFeb 7, 1984

Method of dispersing photographic adjuvants in hydrophilic colloid compositions

AGFA GEVAERT NV14 citations69

US4430422AFeb 7, 1984

Method of dispersing photographic adjuvants in a hydrophilic colloid composition

AGFA GEVAERT NV13 citations69

US4450223AMay 22, 1984

Diffusion transfer material and process

AGFA GEVAERT NV12 citations68

US4131735ADec 26, 1978

Preparation of α-acylacetamides using tetramethyl guanidine condensing agent

AGFA GEVAERT NV13 citations64

US4201584AMay 6, 1980

Silver halide elements containing yellow forming color couplers for silver halide photography

AGFA GEVAERT NV3 citations62

US4341864AJul 27, 1982

Photographic elements containing cyan-forming couplers

AGFA GEVAERT NV5 citations61

US4458011AJul 3, 1984

Ballasted compounds and photographic elements containing such compounds

AGFA GEVAERT NV1 citations51

US4230870AOct 28, 1980

Novel photographic color couplers

AGFA GEVAERT NV0 citations42