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Publication of FR1163978ApublicationCriticalpatent/FR1163978A/fr
B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
B41M5/00—Duplicating or marking methods; Sheet materials for use therein
B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
B41M5/132—Chemical colour-forming components; Additives or binders therefor
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Chemical Kinetics & Catalysis
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General Chemical & Material Sciences
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FR1163978D1956-11-201956-11-20Papier à copier et son procédé de fabrication
ExpiredFR1163978A
(fr)