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Jan J. Vandewalle
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Mortsel, BE
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last 30 patents
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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
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 elements containing cyan-forming color couplers
Patent number
4,342,825
Issue date
Aug 3, 1982
AGFA-GEVAERT N.V.
Raphael K. Van Poucke
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photographic elements containing cyan-forming couplers
Patent number
4,341,864
Issue date
Jul 27, 1982
Agfa-Gevaert, N.V.
Jan J. Vandewalle
C07 - ORGANIC CHEMISTRY