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William J. Chambers
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Wilmington, DE, US
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last 30 patents
Information
Patent Grant
Photosensitive composition and method for forming a neutral black i...
Patent number
4,520,093
Issue date
May 28, 1985
E. I. Du Pont de Nemours and Company
William J. Chambers
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photoimaging process
Patent number
4,335,197
Issue date
Jun 15, 1982
E. I. Du Pont de Nemours and Company
William J. Chambers
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Methods of imaging photopolymerizable materials containing diester...
Patent number
4,308,338
Issue date
Dec 29, 1981
E. I. Du Pont de Nemours and Company
William J. Chambers
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Elements and method which use photopolymerizable compositions based...
Patent number
4,291,115
Issue date
Sep 22, 1981
E. I. Du Pont de Nemours and Company
William J. Chambers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Radiation sensitive element having a thin photopolymerizable layer
Patent number
4,264,708
Issue date
Apr 28, 1981
E. I. Du Pont de Nemours and Company
William J. Chambers
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photopolymerizable compositions based on salt-forming polymers and...
Patent number
4,245,031
Issue date
Jan 13, 1981
E. I. Du Pont de Nemours and Company
William J. Chambers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Photosensitive article having polyaldehydes and its use in photoima...
Patent number
4,150,989
Issue date
Apr 24, 1979
E. I. Du Pont de Nemours and Company
William J. Chambers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Photosensitive polyaldehydes and use in photoimaging
Patent number
4,108,839
Issue date
Aug 22, 1978
E. I. Du Pont de Nemours and Company
William John Chambers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Soil-repellent coating compositions
Patent number
3,940,359
Issue date
Feb 24, 1976
E. I. Du Pont de Nemours and Company
William John Chambers
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...