Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Gevaert Photo Producten NV
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Gevaert Photo Producten NV
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Application filed by Gevaert Photo Producten NVfiledCriticalGevaert Photo Producten NV
Application grantedgrantedCritical
Publication of FR867655ApublicationCriticalpatent/FR867655A/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
G03C7/28—Silver dye bleach processes; Materials therefor; Preparing or processing such materials
FR867655D1939-11-111940-11-07Procédé pour la préparation de couches photographiques pour décoloration
ExpiredFR867655A
(fr)