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.)
Columbia Ribbon and Carbon Manufacturing Co Inc
Original Assignee
Columbia Ribbon and Carbon Manufacturing Co Inc
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
Priority claimed from US57794Aexternal-prioritypatent/US3230874A/en
Application filed by Columbia Ribbon and Carbon Manufacturing Co IncfiledCriticalColumbia Ribbon and Carbon Manufacturing Co Inc
Priority to FR872773ApriorityCriticalpatent/FR1303242A/fr
Application grantedgrantedCritical
Publication of FR1303242ApublicationCriticalpatent/FR1303242A/fr
B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
B41M5/00—Duplicating or marking methods; Sheet materials for use therein
B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
B41M5/04—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet using solvent-soluble dyestuffs on the master sheets, e.g. alcohol-soluble
FR872773A1960-09-221961-09-08Procédé et dispositif pour la réalisation de reproductions thermographiques
ExpiredFR1303242A
(fr)