Inventor
VAN DE SANDE CHRISTIAN C
BE16 patents
Patents
16 patentsUS4871654AOct 3, 1989
Photographic element incorporating redox compounds for use in a dye diffusion transfer process
AGFA GEVAERT NV24 citations92
US4985395AJan 15, 1991
Dye-donor element for thermal dye sublimation transfer
AGFA GEVAERT NV13 citations73
US4605613AAug 12, 1986
Ballasted dye compounds with linkages containing three aromatic nuclei for use in a dye diffusion transfer process and element
AGFA GEVAERT NV7 citations72
US4371604AFeb 1, 1983
Photographic material suited for use in diffusion transfer photography
AGFA GEVAERT NV18 citations72
US4663273AMay 5, 1987
Non-diffusing compounds capable of releasing a diffusible dye or dye precursor compound with multiple dye units
AGFA GEVAERT NV11 citations71
US4430422AFeb 7, 1984
Method of dispersing photographic adjuvants in a hydrophilic colloid composition
AGFA GEVAERT NV13 citations69
US4430421AFeb 7, 1984
Method of dispersing photographic adjuvants in hydrophilic colloid compositions
AGFA GEVAERT NV14 citations69
US4450223AMay 22, 1984
Diffusion transfer material and process
AGFA GEVAERT NV12 citations68
US4777124AOct 11, 1988
Azo dye compounds for use in a dye diffusion transfer process and photographic elements incorporating them
AGFA GEVAERT NV4 citations62
US4537853AAug 27, 1985
Photographic silver halide material containing a ballasted electron-donor precursor compound
AGFA GEVAERT NV3 citations62
US5037731AAug 6, 1991
Organic compounds for use in a dye diffusion transfer process and photographic elements incorporating them
AGFA GEVAERT NV5 citations61
US4477554AOct 16, 1984
Diffusion transfer material and process
AGFA GEVAERT NV4 citations61
US4855223AAug 8, 1989
Organic compounds for use in a dye diffusion transfer process and photographic elements incorporating them
AGFA GEVAERT NV3 citations56
US4458011AJul 3, 1984
Ballasted compounds and photographic elements containing such compounds
AGFA GEVAERT NV1 citations51
US4748108AMay 31, 1988
Yellow dye-releasing azo compounds for use in the production of diffusion transfer color images
AGFA GEVAERT NV0 citations41
US4483915ANov 20, 1984
Azo dye releasing compounds with hydrolytic removable group for dye diffusion transfer process
AGFA GEVAERT NV0 citations39