Hardening with a heterocyclic carbamoyl ammonium compound of a photographic material containing a silver halide layer

Hardening with a heterocyclic carbamoyl ammonium compound of a photographic material containing a silver halide layer

As rapidly acting hardeners for protein-containing photographic layers carbamoyl ammonium compounds are used the quaternised nitrogen atom of which being present in a 5- or 6-membered heterocyclic aromatic group.

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Bibliographische Detailangaben
Hauptverfasser: HIMMELMANN, WOLFGANG
Format: Patent
Sprache:eng
Schlagworte:
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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Beschreibung
Zusammenfassung:As rapidly acting hardeners for protein-containing photographic layers carbamoyl ammonium compounds are used the quaternised nitrogen atom of which being present in a 5- or 6-membered heterocyclic aromatic group.