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Christian C. Van de Sande
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last 30 patents
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Patent Grant
Organic compounds for use in a dye diffusion transfer process and p...
Patent number
5,037,731
Issue date
Aug 6, 1991
Agfa-Gevaert, N.V.
Hans Vetter
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Dye-donor element for thermal dye sublimation transfer
Patent number
4,985,395
Issue date
Jan 15, 1991
Agfa-Gevaert, N.V.
Luc J. Vanmaele
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Photographic element incorporating redox compounds for use in a dye...
Patent number
4,871,654
Issue date
Oct 3, 1989
Agfa-Gevaert, N.V.
Luc J. Vanmaele
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Organic compounds for use in a dye diffusion transfer process and p...
Patent number
4,855,223
Issue date
Aug 8, 1989
Agfa-Gevaert, N.V.
Luc J. Vanmaele
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Azo dye compounds for use in a dye diffusion transfer process and p...
Patent number
4,777,124
Issue date
Oct 11, 1988
Agfa-Gevaert, N.V.
Luc J. Vanmaele
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Yellow dye-releasing azo compounds for use in the production of dif...
Patent number
4,748,108
Issue date
May 31, 1988
Agfa-Gevaert, N.V.
Christian C. Van de Sande
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Non-diffusing compounds capable of releasing a diffusible dye or dy...
Patent number
4,663,273
Issue date
May 5, 1987
Agfa-Gevaert, N.V.
Christian C. Van de Sande
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Ballasted dye compounds with linkages containing three aromatic nuc...
Patent number
4,605,613
Issue date
Aug 12, 1986
Agfa-Gevaert, N.V.
Christian C. Van de Sande
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photographic silver halide material containing a ballasted electron...
Patent number
4,537,853
Issue date
Aug 27, 1985
Agfa-Gevaert, N.V.
Christian C. Van de Sande
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Azo dye releasing compounds with hydrolytic removable group for dye...
Patent number
4,483,915
Issue date
Nov 20, 1984
Agfa-Gevaert, N.V.
Christian C. Van de Sande
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Diffusion transfer material and process
Patent number
4,477,554
Issue date
Oct 16, 1984
Agfa-Gevaert, N.V.
Christian C. Van de Sande
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Ballasted compounds and photographic elements containing such compo...
Patent number
4,458,011
Issue date
Jul 3, 1984
Agfa-Gevaert, N.V.
Christian C. Van de Sande
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Diffusion transfer material and process
Patent number
4,450,223
Issue date
May 22, 1984
Agfa-Gevaert, N.V.
Raphael K. Van Poucke
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of dispersing photographic adjuvants in a hydrophilic colloi...
Patent number
4,430,422
Issue date
Feb 7, 1984
Agfa-Gevaert, N.V.
Christian C. Van de Sande
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of dispersing photographic adjuvants in hydrophilic colloid...
Patent number
4,430,421
Issue date
Feb 7, 1984
Agfa-Gevaert, N.V.
Christian C. Van de Sande
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photographic material suited for use in diffusion transfer photography
Patent number
4,371,604
Issue date
Feb 1, 1983
Agfa-Gevaert, N.V.
Christian C. Van de Sande
C07 - ORGANIC CHEMISTRY