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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PAUL AUNAY
Original Assignee
PAUL AUNAY
Filing date
Publication date
Application filed by PAUL AUNAYfiledCriticalPAUL AUNAY
Application grantedgrantedCritical
Publication of FR418121ApublicationCriticalpatent/FR418121A/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
Procédé de fabrication de caractères d'imprimerie, de clichés, etc. en xylonite ininflammable pour l'impression calcographique et typographique