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IPC Subgroup
G03C 1/08

Sensitivity-increasing substances

Introduced: September 1968

Last revised: January 2006

Full Title

Photosensitive materials > Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein > with non-macromolecular additives > Sensitivity-increasing substances

Classification Context

Section:
PHYSICS
Class:
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
Subclass:
PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR OR STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY

Related Keywords

SENSITISERS for photosensitive materials

3 direct subcodes

Child Classifications

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  • G03C 1/09 Noble metals or mercury; Salts or compounds thereof; Sulfur, selenium or tellurium, or compounds thereof, e.g. for chemical sensitising