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IG Farbenindustrie AG
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IG Farbenindustrie AG
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Application filed by IG Farbenindustrie AGfiledCriticalIG Farbenindustrie AG
Application grantedgrantedCritical
Publication of FR836592ApublicationCriticalpatent/FR836592A/fr
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
G03C7/20—Subtractive colour processes using differently sensitised films, each coated on its own base, e.g. bipacks, tripacks
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Silver Salt Photography Or Processing Solution Therefor
(AREA)
FR836592D1937-04-131938-04-13Procédé de production d'images en plusieurs couleurs
ExpiredFR836592A
(fr)