CH605158A5CH604772ACH604772ACH605158A5CH 605158 A5CH605158 A5CH 605158A5CH 604772 ACH604772 ACH 604772ACH 604772 ACH604772 ACH 604772ACH 605158 A5CH605158 A5CH 605158A5
Authority
CH
Switzerland
Application number
CH604772A
Inventor
Gerhard Ritzerfeld
Original Assignee
Gerhard Ritzerfeld
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 Gerhard RitzerfeldfiledCriticalGerhard Ritzerfeld
Publication of CH605158A5publicationCriticalpatent/CH605158A5/xx
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