Inventor

VANASSCHE WILLY JOSEPH

13 patents

Patents

13 patents

US4092168AMay 30, 1978

Light-absorbing dyes for silver halide material

AGFA GEVAERT NV43 citations91

US4023972AMay 17, 1977

Method of preparing a blend of fogged, direct-positive silver halide emulsions of different average grain sizes

AGFA GEVAERT NV7 citations72

US4045228AAug 30, 1977

Direct positive emulsions containing fogged, monodispersed silver halide grains having more than 10 mile % iodide

AGFA GEVAERT NV8 citations71

US4082554AApr 4, 1978

Direct-positive silver halide emulsions

AGFA GEVAERT NV6 citations60

US4059450ANov 22, 1977

Direct positive silver halide elements

AGFA GEVAERT NV5 citations60

US4053315AOct 11, 1977

Photodevelopable silver halide material

AGFA GEVAERT NV2 citations59

US4026708AMay 31, 1977

Direct-positive silver halide emulsions having incorporated developers

AGFA GEVAERT NV5 citations59

US3963493AJun 15, 1976

Direct-positive silver halide emulsion fogged to low level and the use thereof in energetic-surface development

AGFA GEVAERT NV3 citations59

US4008089AFeb 15, 1977

Direct-positive silver halide emulsion reduction and gold fogged in contact with a palladium compound

AGFA GEVAERT NV3 citations58

US4108661AAug 22, 1978

Lippmann-emulsions and reversal processing thereof

AGFA GEVAERT NV5 citations55

US3957518AMay 18, 1976

Direct-positive silver halide emulsions

AGFA GEVAERT NV3 citations55

US4081281AMar 28, 1978

Developing low fogged, direct-positive silver halide emulsion with an energetic developer free from halide ions

AGFA GEVAERT NV0 citations38

US3980481ASep 14, 1976

Direct-positive super-sensitized silver halide emulsions

AGFA GEVAERT NV0 citations33