John A. Haefner

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Webster, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Iridium and bromide in silver halide grain finish
- Patent number 5,391,474
- Issue date Feb 21, 1995
- Eastman Kodak Company
- John A. Haefner
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic emulsions containing internally modified silver halide...
- Patent number 4,933,272
- Issue date Jun 12, 1990
- Eastman Kodak Company
- Woodrow G McDugle
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sensitized high aspect ratio silver halide emulsions and photograph...
- Patent number 4,439,520
- Issue date Mar 27, 1984
- Eastman Kodak Company
- James T. Kofron
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
High aspect ratio silver bromoiodide emulsions and processes for th...
- Patent number 4,434,226
- Issue date Feb 28, 1984
- Eastman Kodak Company
- Herbert S. Wilgus
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY