Ivan H. Skoog

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Lake Elmo, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Photothermographic elements
- Patent number 6,143,487
- Issue date Nov 7, 2000
- Eastman Kodak Company
- James B. Philip
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Infra-red sensitizing dyes for silver halide
- Patent number 5,041,550
- Issue date Aug 20, 1991
- Minnesota Mining and Manufacturing Company
- Bernard A. Lea
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Infra-red sensitising dyes for silver halide
- Patent number 4,959,294
- Issue date Sep 25, 1990
- Minnesota Mining and Manufacturing Company
- Bernard A. Lea
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Desensitizing dyes for photographic emulsions
- Patent number 4,404,277
- Issue date Sep 13, 1983
- Minnesota Mining and Manufacturing Company
- Ivan H. Skoog
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Organic dye having fluoroaliphatic substituent
- Patent number 4,018,810
- Issue date Apr 19, 1977
- Minnesota Mining and Manufacturing Company
- Ivan H. Skoog
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Organic dye having fluoroaliphatic substituent
- Patent number 3,933,914
- Issue date Jan 20, 1976
- Minnesota Mining and Manufacturing Company
- Robert F. Coles
- C07 - ORGANIC CHEMISTRY