Stabilisation d'émulsions photographiques d'halogénure d'argent

1,073,546. Stabilizers for silver halide emulsions. AGFA A.G. March 4, 1965 [March 5, 1964], No. 9248/65. Heading G2C. A silver halide emulsion having silver halide grains which are essentially surface-sensitive contains as a stabilizer for latent images a #- monophenyl-hydrazide of an aliphatic car...

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Bibliographic Details
Main Authors KOLB GUENTER, HONIG HANS LUDWIG, MOLL FRANZ, MORCHER BERNHARD
Format Patent
LanguageFrench
Published 28.01.1966
Subjects
AUXILIARY PROCESSES IN PHOTOGRAPHY
CINEMATOGRAPHY
ELECTROGRAPHY
HOLOGRAPHY
PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES
PHOTOGRAPHY
PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES
PHYSICS
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Summary:1,073,546. Stabilizers for silver halide emulsions. AGFA A.G. March 4, 1965 [March 5, 1964], No. 9248/65. Heading G2C. A silver halide emulsion having silver halide grains which are essentially surface-sensitive contains as a stabilizer for latent images a #- monophenyl-hydrazide of an aliphatic carboxylic acid wherein the phenyl group is optionally substituted (e.g. by alkyl, alkoxy, halogen, and carboxy groups). Various mono- and polybasic acids are specified. The emulsion may also comprise conventional sensitizers, dyes, other stabilizers, hardeners and colour couplers. Other mono- and di-acyl hydrazides and mono- and di-hydrazinium salts are used in comparative examples.
Bibliography:Application Number: FR19650008195