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Stephan J. W. Platzer
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Eltville-Erbach, DE
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last 30 patents
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Patent Grant
Peel-developable single sheet color proofing system with laminated...
Patent number
6,261,734
Issue date
Jul 17, 2001
AFGA Corporation
Stephan J. W. Platzer
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Negative working, peel developable, single sheet color proofing system
Patent number
5,792,588
Issue date
Aug 11, 1998
Bayer Corporation
Wojciech A. Wilczak
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for the production of a multicolored image and photosensiti...
Patent number
5,725,992
Issue date
Mar 10, 1998
AGFA-Gevaert A.G.
Stephan J. W. Platzer
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for the production of a multicolored image and photosensiti...
Patent number
5,693,449
Issue date
Dec 2, 1997
AGFA-Gevaert A.G.
Stephan J. W. Platzer
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light-sensitive material for producing a multi-color image
Patent number
5,683,852
Issue date
Nov 4, 1997
AGFA-Gevaert A.G.
Karin Maerz
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light-sensitive material for producing a multi-color image
Patent number
5,681,682
Issue date
Oct 28, 1997
AGFA-Gevaert A.G.
Karin Maerz
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for the production of a multicolored image
Patent number
5,627,009
Issue date
May 6, 1997
AGFA-Gevaert A.G.
Karin Maerz
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of producing an image using a negative working, peel develop...
Patent number
5,545,506
Issue date
Aug 13, 1996
Hoechst Celanese Corporation
Wojciech A. Wilczak
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photosensitive material for the production of a multicolored image
Patent number
5,534,384
Issue date
Jul 9, 1996
Hoechst Aktiengesellschaft
Stephan J. W. Platzer
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for the production of a multicolored image and photosensiti...
Patent number
5,478,694
Issue date
Dec 26, 1995
Hoechst Aktiengesellschaft
Karin Maerz
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light-sensitive material for producing a multi-color image
Patent number
5,443,939
Issue date
Aug 22, 1995
Hoechst Aktiengesellschaft
Karin Maerz
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus for separating and drawing off a film laminated on a carr...
Patent number
5,282,918
Issue date
Feb 1, 1994
Hoechst Aktiengesellschaft
Hans Heist
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Grant
Apparatus for peeling-off a film laminated on a carrier material
Patent number
5,269,873
Issue date
Dec 14, 1993
Hoechst Aktiengesellschaft
Stephan J. W. Platzer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Photopolymerizable, positive working, peel developable, single shee...
Patent number
5,236,806
Issue date
Aug 17, 1993
Hoechst Celanese Corporation
Stephan J. W. Platzer
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image transfer to diverse paper stocks
Patent number
5,094,931
Issue date
Mar 10, 1992
Hoechst Celanese Corporation
Stephan J. W. Platzer
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Negative working diazo resin color proofing material comprising pol...
Patent number
5,053,310
Issue date
Oct 1, 1991
Hoechst Celanese Corporation
Stephan J. W. Platzer
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photopolymerizable, positive working, peel developable, single shee...
Patent number
5,049,476
Issue date
Sep 17, 1991
Hoechst Celanese Corporation
Stephan J. W. Platzer
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Coating positive or negative working color proofing system
Patent number
5,039,590
Issue date
Aug 13, 1991
Hoechst Celanese Corporation
Stephan J. W. Platzer
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY