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Hyman L. Cohen
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Hilton, NY, US
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last 30 patents
Information
Patent Grant
Continuous-tone dyed diazo imaging process
Patent number
4,247,615
Issue date
Jan 27, 1981
Eastman Kodak Company
Hugh G. McGuckin
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Continuous-tone dyed diazo imaging elements
Patent number
4,220,700
Issue date
Sep 2, 1980
Eastman Kodak Company
Hugh G. McGuckin
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photographic film units containing a polymeric mordant which covale...
Patent number
4,201,840
Issue date
May 6, 1980
Eastman Kodak Company
Gerald A. Campbell
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photographic film units containing a polymeric mordant which covale...
Patent number
4,193,795
Issue date
Mar 18, 1980
Eastman Kodak Company
Gerald A. Campbell
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Novel polymers and photographic elements containing same
Patent number
3,962,527
Issue date
Jun 8, 1976
Eastman Kodak Company
James R. King
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photographic elements containing cross-linked mordants and processe...
Patent number
3,958,995
Issue date
May 25, 1976
Eastman Kodak Company
Gerald A. Campbell
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
PHOTOGRAPHIC OR IMAGE RECIEVING ELEMENTS CONTAINING POLYMERIC MORDANTS
Patent number
3,944,424
Issue date
Mar 16, 1976
Eastman Kodak Company
Hyman L. Cohen
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY