Andrew W. Gibson

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Woodhead, GB

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Patents Grantslast 30 patents

Information Patent Grant
Pyrazolo 1,5 a benzimidazole photographic color couplers
- Patent number 5,876,912
- Issue date Mar 2, 1999
- Eastman Kodak Company
- Michael William Crawley
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Phenol substituted pyrazolo 1, 5-a benzimidazole couplers
- Patent number 5,776,669
- Issue date Jul 7, 1998
- Eastman Kodak Company
- Michael William Crawley
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color photographic material comprising a 2-alkoxy pyrazolo[1,5-a]be...
- Patent number 5,143,821
- Issue date Sep 1, 1992
- Eastman Kodak Company
- Michael W. Crawley
- C07 - ORGANIC CHEMISTRY