Carl F. Kohrt

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Pittsford,both of, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Thermal silver-dye bleach element and process
- Patent number 4,235,957
- Issue date Nov 25, 1980
- Eastman Kodak Company
- Carl F. Kohrt
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Thiyl bleaching agents for photographic processes
- Patent number 4,124,398
- Issue date Nov 7, 1978
- Eastman Kodak Company
- Samuel J. Ciurca
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Positive images in photothermographic materials containing nitroxyl...
- Patent number 4,124,387
- Issue date Nov 7, 1978
- Eastman Kodak Company
- Carl F. Kohrt
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Stable free radical nitroxyl bleaching agents for photographic proc...
- Patent number 4,123,273
- Issue date Oct 31, 1978
- Eastman Kodak Company
- Samuel Ciurca
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY