Process for hardening silver halide photographic layers with organic asymmetric monocarbodiimides

As quick-acting hardeners for protein-containing photographic layers water-soluble, organic, asymmetric monocarbodiimides containing an alkyl ammonium group and having a carbonamide group attached to the nitrogen atom are used.

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Bibliographic Details
Main Author HIMMELMANN; WOLFGANG
Format Patent
LanguageEnglish
Published 06.12.1977
Subjects
AUXILIARY PROCESSES IN PHOTOGRAPHY
CHEMISTRY
CINEMATOGRAPHY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
ELECTROGRAPHY
HETEROCYCLIC COMPOUNDS
HOLOGRAPHY
METALLURGY
ORGANIC CHEMISTRY
ORGANIC MACROMOLECULAR COMPOUNDS
PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES
PHOTOGRAPHY
PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES
PHYSICS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:As quick-acting hardeners for protein-containing photographic layers water-soluble, organic, asymmetric monocarbodiimides containing an alkyl ammonium group and having a carbonamide group attached to the nitrogen atom are used.
Bibliography:Application Number: US19760730263