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Johannes Willsau
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Leverkusen, DE
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last 30 patents
Information
Patent Grant
Color photographic recording material
Patent number
6,228,568
Issue date
May 8, 2001
Agfa-Gevaert
Thomas Stetzer
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Colour photographic recording material
Patent number
5,922,524
Issue date
Jul 13, 1999
AGFA-Gevaert AG
Ralf Buscher
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photographic silver halide material
Patent number
5,908,741
Issue date
Jun 1, 1999
AGFA-Gevaert AG
Peter Bergthaller
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Color photographic recording material having elevated sensitivity a...
Patent number
5,856,076
Issue date
Jan 5, 1999
AGFA-Gevaert Aktiengesellschaft
Joerg Siegel
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color photographic silver halide material
Patent number
5,853,971
Issue date
Dec 29, 1998
AGFA-Gevaert AG
Peter Bell
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color photographic recording material
Patent number
5,830,628
Issue date
Nov 3, 1998
Agfa-Geuaert
Hans-Ulrich Borst
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photographic silver halide material
Patent number
5,683,863
Issue date
Nov 4, 1997
AGFA-Gevaert A.G.
Peter Bergthaller
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Color photographic silver halide material
Patent number
5,679,504
Issue date
Oct 21, 1997
AGFA-Gevaert Aktiengesellschaft
Ralf Buscher
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Silver halide recording material
Patent number
5,667,956
Issue date
Sep 16, 1997
Agfa
Michael Missfeldt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Color photographic recording material
Patent number
5,622,817
Issue date
Apr 22, 1997
AGFA-Gevaert AG
Johannes Willsau
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color photographic silver halide material
Patent number
5,599,657
Issue date
Feb 4, 1997
AGFA-Gevaert AG
Detlef Brennecke
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color photographic recording material
Patent number
5,441,857
Issue date
Aug 15, 1995
AGFA-Gevaert A.G.
Heinrich Odenwalder
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY