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UNION PHOTOGRAPHIQUE IND ETABL
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UNION PHOTOGRAPHIQUE IND ETABL
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Application filed by UNION PHOTOGRAPHIQUE IND ETABLfiledCriticalUNION PHOTOGRAPHIQUE IND ETABL
Application grantedgrantedCritical
Publication of FR449694ApublicationCriticalpatent/FR449694A/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
G03C7/02—Direct bleach-out processes; Materials therefor; Preparing or processing such materials
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Paper
(AREA)
FR449694D1911-12-051912-10-18Procédé de photographie en couleurs
ExpiredFR449694A
(fr)