Pressure-sensitive mark-recording systems

Details Pressure-sensitive mark-recording systems Pressure-sensitive mark-recording systems

B - Operations, Transporting

41

M

42/11

B41M 1/36 (2006.01) B41M 5/165 (2006.01)

Patent

CA 1126026

43-4522A PRESSURE-SENSITIVE MARK-RECORDING SYSTEMS ABSTRACT The invention relates to pressure-sensitive mark-recording systems, for example carbonless copying paper, in which the chromogen is a derivative of diphenylmethanol or diphenylmethylamine, and the solvent comprises an aliphatic benzyl phthalate, e.g., an alkyl benzyl phthalate.

328731

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