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Silver halide wash-out elements
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Patent number 4,948,701
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Issue date Aug 14, 1990
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E. I. DuPont de Nemours and Company
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Robert P. Held
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Preparation of microencapsulated pigment
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Patent number 4,798,741
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Issue date Jan 17, 1989
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E. I. Du Pont de Nemours and Company
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Jeffrey W. Nelson
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Tannable multi-colored material
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Patent number 4,544,620
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Issue date Oct 1, 1985
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Minnesota Mining and Manufacturing Company
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Michael T. Macioch
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Amine stabilizers for wash-off systems
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Patent number 4,456,676
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Issue date Jun 26, 1984
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E. I. Du Pont de Nemours and Company
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James M. Ciskowski
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Tannable imaging element
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Patent number 4,427,757
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Issue date Jan 24, 1984
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Minnesota Mining and Manufacturing Company
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George W. Beebe
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Dye mordanting development
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Patent number 4,383,023
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Issue date May 10, 1983
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E. I. Du Pont de Nemours and Company
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Frank L. Schadt
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Process for making phase holograms
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Patent number 4,187,106
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Issue date Feb 5, 1980
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The United States of America as represented by the Secretary of the Army
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James W. Gladden
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Image anchorage in photographic films
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Patent number 4,076,531
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Issue date Feb 28, 1978
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E. I. Du Pont de Nemours and Company
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Richard T. Crowell
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3862855
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Patent number 3,862,855
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Issue date Jan 28, 1975
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3856524
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Patent number 3,856,524
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Issue date Dec 24, 1974
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY