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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 FR907475ApublicationCriticalpatent/FR907475A/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
G03C7/26—Silver halide emulsions for subtractive colour processes
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR907475D1942-02-171943-02-15Procédé de préparation d'images photographiques en couleurs au moyen des esters des leuco-bases de colorants
ExpiredFR907475A
(fr)
Procédé pour la préparation de nouveaux colorants sensibilisateurs optiques et pour la sensibilisation d'émulsions photographiques au moyen de ces colorants