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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OMNICOLOR Ltd
Original Assignee
OMNICOLOR Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by OMNICOLOR LtdfiledCriticalOMNICOLOR Ltd
Application grantedgrantedCritical
Publication of FR807426ApublicationCriticalpatent/FR807426A/fr
G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
G03F3/00—Colour separation; Correction of tonal value
G03F3/04—Colour separation; Correction of tonal value by photographic means
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Printing Methods
(AREA)
Inking, Control Or Cleaning Of Printing Machines
(AREA)
Displays For Variable Information Using Movable Means
(AREA)
FR807426D1935-06-201936-06-20Perfectionnements à la production d'images en couleurs par les procédés d'impression photomécaniques
ExpiredFR807426A
(fr)