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1941-09-22 |
1954-01-04 |
Ig Farbenindustrie Ag |
Procedure for avoiding color fogging during color development
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US2433632A
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*
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1942-12-23 |
1947-12-30 |
Rca Corp |
Fibrous sheet material for the electrolytic formation of azo dye image records thereon
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US2440526A
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*
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1942-12-23 |
1948-04-27 |
Nellie W Solomon |
Fibrous sheet material for the electrolytic formation of an azo dyestuff thereon
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US2435700A
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*
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1942-12-23 |
1948-02-10 |
Nellie W Solomon |
Process of electrolytically producing azo dyes on a fibrous sheet material and the fibrous sheet material for said process
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1942-12-23 |
1947-11-04 |
Rca Corp |
Fibrous sheet material for producing dyes thereon by electrolytic oxidation
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1943-08-26 |
1947-05-06 |
Eastman Kodak Co |
Increasing speed and contrast of photographic emulsions
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GB571174A
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*
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1944-02-03 |
1945-08-09 |
Douglas James Fry |
Improvements in or relating to the production of photographic light-sensitive emulsions
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*
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1944-04-03 |
1948-09-14 |
Urbach Franz |
Photographic silver bromide emulsion sensitized with cysteine
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*
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1945-08-23 |
1948-05-04 |
Du Pont |
Process for eliminating stain from color-yielding elements by treatment with aromatic aldehydes containing an acyl group
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DE967543C
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*
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1955-05-07 |
1957-11-21 |
C Schleussner Fotowerke G M B |
Process for the production of photographic direct-positive single and multicolor images by means of chromogenic development
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BE562088A
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*
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1956-11-05 |
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NL226676A
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1957-04-17 |
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*
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1961-05-22 |
1965-02-02 |
Eastman Kodak Co |
Rapid processing of photographic color materials
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GB1560005A
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*
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1976-08-11 |
1980-01-30 |
Fuji Photo Film Co Ltd |
Silver halide photographic emulsions
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JPS5952817B2
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1977-09-06 |
1984-12-21 |
富士写真フイルム株式会社 |
How to form high contrast photographic images
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1978-11-15 |
1980-03-11 |
Eastman Kodak Company |
Bifunctional benzisoxazolone compounds
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US4192678A
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*
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1978-11-15 |
1980-03-11 |
Eastman Kodak Company |
N-alkyl- or N-aryl-benzisoxazolone scavenger compounds
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