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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Kodak Pathe SA
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Kodak Pathe SA
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Application filed by Kodak Pathe SAfiledCriticalKodak Pathe SA
Application grantedgrantedCritical
Publication of FR951532ApublicationCriticalpatent/FR951532A/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
G03C7/32—Colour coupling substances
G03C7/36—Couplers containing compounds with active methylene groups
G03C7/38—Couplers containing compounds with active methylene groups in rings
G03C7/384—Couplers containing compounds with active methylene groups in rings in pyrazolone rings
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR951532D1944-12-221946-11-26Perfectionnements à la photographie en couleurs
ExpiredFR951532A
(fr)