Willy Joseph Vanassche

Person

Kontich, BE

People

Patents Grantslast 30 patents

Information Patent Grant
Direct-positive emulsion containing fogged, silver halide grains of...
- Patent number 4,287,296
- Issue date Sep 1, 1981
- Agfa-Gevaert, N.V.
- Willy J. Vanassche
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Reversal processing of exposed Lippman-emulsions
- Patent number 4,148,647
- Issue date Apr 10, 1979
- AGFA-GEVAERT N.V.
- Francois L. Schelfaut
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lippmann-emulsions and reversal processing thereof
- Patent number 4,108,661
- Issue date Aug 22, 1978
- Agfa-Gevaert, N.V.
- Willy Joseph Vanassche
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-absorbing dyes for silver halide material
- Patent number 4,092,168
- Issue date May 30, 1978
- AGFA-Gevaert, N.V.
- Raymond Gerard Lemahieu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Direct-positive silver halide emulsions
- Patent number 4,082,554
- Issue date Apr 4, 1978
- Agfa-Gevaert N.V.
- Herman Alberik Pattyn
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing low fogged, direct-positive silver halide emulsion with...
- Patent number 4,081,281
- Issue date Mar 28, 1978
- Agfa-Gevaert N.V.
- Willy Joseph Vanassche
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Direct positive silver halide elements
- Patent number 4,059,450
- Issue date Nov 22, 1977
- Agfa-Gevaert N.V.
- Willy Joseph Vanassche
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photodevelopable silver halide material
- Patent number 4,053,315
- Issue date Oct 11, 1977
- AGFA-Gevaert, N.V.
- Hendrik Alfons Borginon
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Direct positive emulsions containing fogged, monodispersed silver h...
- Patent number 4,045,228
- Issue date Aug 30, 1977
- Agfa-Gevaert N.V.
- Willy Joseph Vanassche
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Direct-positive silver halide emulsions having incorporated developers
- Patent number 4,026,708
- Issue date May 31, 1977
- AGFA-Gevaert, N.V.
- Willy Joseph Vanassche
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of preparing a blend of fogged, direct-positive silver halid...
- Patent number 4,023,972
- Issue date May 17, 1977
- Agfa-Gevaert N.V.
- Willy Joseph Vanassche
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Direct-positive silver halide emulsion reduction and gold fogged in...
- Patent number 4,008,089
- Issue date Feb 15, 1977
- Agfa-Gevaert N.V.
- Herman Alberik Pattyn
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Direct-positive super-sensitized silver halide emulsions
- Patent number 3,980,481
- Issue date Sep 14, 1976
- AFGA-GEVAERT N.V.
- Theofiel Hubert Ghys
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Direct-positive silver halide emulsion fogged to low level and the...
- Patent number 3,963,493
- Issue date Jun 15, 1976
- Agfa-Gevaert N.V.
- Willy Joseph Vanassche
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Direct-positive silver halide emulsions
- Patent number 3,957,518
- Issue date May 18, 1976
- Agfa-Gevaert N.V.
- Willy Joseph Vanassche
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Willy Joseph Vanassche

Person

Patents Grantslast 30 patents

Direct-positive emulsion containing fogged, silver halide grains of...

Reversal processing of exposed Lippman-emulsions

Lippmann-emulsions and reversal processing thereof

Light-absorbing dyes for silver halide material

Direct-positive silver halide emulsions

Developing low fogged, direct-positive silver halide emulsion with...

Direct positive silver halide elements

Photodevelopable silver halide material

Direct positive emulsions containing fogged, monodispersed silver h...

Direct-positive silver halide emulsions having incorporated developers

Method of preparing a blend of fogged, direct-positive silver halid...

Direct-positive silver halide emulsion reduction and gold fogged in...

Direct-positive super-sensitized silver halide emulsions

Direct-positive silver halide emulsion fogged to low level and the...

Direct-positive silver halide emulsions