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Raymond J. LeStrange
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Hendersonville, NC, US
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last 30 patents
Information
Patent Grant
Silver halide elements with improved speed and low fog
Patent number
5,192,655
Issue date
Mar 9, 1993
E. I. Du Pont de Nemours and Company
Dominic M. Chan
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Blue spectral sensitizers for non-tabular silver halide elements
Patent number
5,102,781
Issue date
Apr 7, 1992
E. I. Du Pont de Nemours and Company
Dietrich M. Fabricius
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photographic film with improved speed to fog ratio
Patent number
5,102,782
Issue date
Apr 7, 1992
E. I. Du Pont de Nemours and Company
Raymond J. LeStrange
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Silver halide emulsions with improved speed
Patent number
4,965,184
Issue date
Oct 23, 1990
E. I. Du Pont de Nemours and Company
Raymond J. LeStrange
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Elimination of defects in cysteine-sensitized emulsions
Patent number
4,514,492
Issue date
Apr 30, 1985
E. I. Du Pont de Nemours and Company
Raymond J. LeStrange
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Silver halide emulsion containing a purified cysteine-glutaraldehyd...
Patent number
4,481,359
Issue date
Nov 6, 1984
E. I. Du Pont de Nemours and Company
Jacob Beutel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for sensitizing photographic silver halide emulsions
Patent number
4,175,970
Issue date
Nov 27, 1979
E. I. Du Pont de Nemours and Company
Raymond J. LeStrange
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY