Dye solvents for pressure - sensitive copying systems

Details Dye solvents for pressure - sensitive copying systems Dye solvents for pressure - sensitive copying systems

B - Operations, Transporting

41

M

42/15

B41M 5/165 (2006.01)

Patent

CA 1103023

ABSTRACT OF THE DISCLOSURE Solvents useful to dissolve dyes employed in pressure-sensitive copying systems comprise aryl esters of benzoic or substituted benzoic acid having the struc- ture: Image wherein R1 is hydrogen, methyl or ethyl; R2 is hydrogen or C1 to C9 alkyl; R3 is hydrogen, methyl or ethyl; and n is zero or 1. - 1 -

293815

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