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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
G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
G03C7/04—Additive processes using colour screens; Materials therefor; Preparing or processing such materials
G03C7/06—Manufacture of colour screens
G03C7/08—Manufacture of colour screens from diversely-coloured grains irregularly distributed
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FR411247D1909-01-041910-01-04Verre trichrome formant écran-filtre analyseur pour la photographie directe des couleurs
ExpiredFR411247A
(fr)