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

01

F

42/15

B01F 1/00 (2006.01) B41M 5/165 (2006.01)

Patent

CA 1061055

TITLE: DYE SOLVENTS FOR PRESSURE-SENSITIVE COPYING SYSTEMS INVENTOR: JOHN F. HERBER ABSTRACT OF THE DISCLOSURE Solvent compositions useful to dissolve dyes employed in pressure-sensitive copying systems comprise: (A) about 45 to 75 weight percent of one or more compounds having the general formula Image wherein R and R' can be the same or different and are selected from the group consisting of hydrogen, methyl and ethyl; and (B) about 55 to 25 weight percent of (i) hexylbenzene; or (ii) a composition comprising about 45 to 75 weight percent C10 to C16 alkanes and the balance C7 to C10 alkylbenzenes.

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