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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Neue Photographische Ges A G
Original Assignee
Neue Photographische Ges A G
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Filing date
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Application filed by Neue Photographische Ges A GfiledCriticalNeue Photographische Ges A G
Application grantedgrantedCritical
Publication of FR445631ApublicationCriticalpatent/FR445631A/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
G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR445631D1912-07-011912-07-01Procédé de préparation de couches sensibles à la lumière
ExpiredFR445631A
(fr)