Ralf Wirowski

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Koln, DE

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Patents Grantslast 30 patents

Information Patent Grant
Color photographic silver halide material
- Patent number 6,569,611
- Issue date May 27, 2003
- Agfa-Gevaert
- Jan Haller
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color photographic silver halide material
- Patent number 6,531,269
- Issue date Mar 11, 2003
- Agfa-Gevaert N.V.
- Ralf Wirowski
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color photographic silver halide material
- Patent number 6,379,879
- Issue date Apr 30, 2002
- Agfa-Gevaert
- Jörg Hagemann
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Production of silver halide emulsions
- Patent number 6,261,758
- Issue date Jul 17, 2001
- Agfa-Gevaert
- Ralf Wirowski
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color photographic silver halide material
- Patent number 6,218,097
- Issue date Apr 17, 2001
- Agfa-Gevaert
- Peter Bell
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Colour photographic silver halide material
- Publication number 20020172900
- Publication date Nov 21, 2002
- Jan Haller
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Colour photographic silver halide material
- Publication number 20020018971
- Publication date Feb 14, 2002
- Jorg Hagemann
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Colour photographic silver halide material
- Publication number 20010036603
- Publication date Nov 1, 2001
- Ralf Wirowski
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY