VERFAHREN ZUR HERSTELLUNG EINES KORNFOERMIGEN FARBENTWICKLUNGSMITTELS

A process for preparing a granular color developing agent, which comprises kneading a mixture of at least one excipient selected from the group consisting of water and lower alcohols and a p-phenylenediamine color developing agent, and granulating the mixture is disclosed.

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Bibliographic Details
Main Authors EMOTO, TAKEO, FUJISAWA, KURIHARA, SATOSHI, HIRATSUKA
Format Patent
LanguageGerman
Published 01.03.1973
Edition1
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:A process for preparing a granular color developing agent, which comprises kneading a mixture of at least one excipient selected from the group consisting of water and lower alcohols and a p-phenylenediamine color developing agent, and granulating the mixture is disclosed.
Bibliography:Application Number: DE19722240777