Solvent for chromogenic dye-precursor material for pressure-sens

Details Solvent for chromogenic dye-precursor material for pressure-sens Solvent for chromogenic dye-precursor material for pressure-sens

1987-07-21

1989-04-18

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Identified solvent or dispersant for color-former, other...

427150, 427151, 4284022, 42840221, 42840222, 428914, 503215, 503225, B41M 516, B41M 522

Patent

active

048227676

ABSTRACT:
A solvent for chromogenic dye-precursor material for pressure-sensitive recording paper sheet, comprising 50 to 80% by weight of p-monoisopropylbiphenyl and 50 to 20% by weight of hydrogenated terphenyl, and a pressure-sensitive recording paper sheet prepared by using the solvent.

REFERENCES:
patent: 3627581 (1971-03-01), Phillips
patent: 3979327 (1976-06-01), Herber
patent: 4054937 (1977-05-01), Mandelcorn et al.
"Alkylation of Biphenyl Under Mild Friedel-Crafts Conditions", D. B. Priddy IEC, Products, Research and Development, vol. 8, No. 3, Sep. 1969.
IEC., Product Research and Development, vol. 8, No. 2, pp. 239-241 (1969).

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