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HENRY EDMOND PERRET
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HENRY EDMOND PERRET
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Publication of FR393628ApublicationCriticalpatent/FR393628A/en
G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
G03C1/00—Photosensitive materials
G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
G03C1/795—Photosensitive materials characterised by the base or auxiliary layers the base being of macromolecular substances
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FR393628D1908-08-241908-08-24
Gelatin-based film, more particularly applicable to cinematography, and process for its manufacture
ExpiredFR393628A
(en)