FR446572A - Procédé pour obtenir des reproductions ou images en couleurs d'après le procédé de décoloration en employant un écran compensateur
- Google Patents
Procédé pour obtenir des reproductions ou images en couleurs d'après le procédé de décoloration en employant un écran compensateur
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JOHN-HENRY SMITH
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JOHN-HENRY SMITH
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Application filed by JOHN-HENRY SMITHfiledCriticalJOHN-HENRY SMITH
Application grantedgrantedCritical
Publication of FR446572ApublicationCriticalpatent/FR446572A/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
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR446572D1911-10-041911-10-04Procédé pour obtenir des reproductions ou images en couleurs d'après le procédé de décoloration en employant un écran compensateur
ExpiredFR446572A
(fr)
Procédé pour l'obtention de clichés photographiques tramés ou grainés allant du noir absolu au blanc absolu sans altération des teintes intermédiaires