Patent · US Expired

Pressure sensitive recording paper

USRE33113E · kind E · reissue

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7References
7Claims
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Assignee

Inventors

Key dates

Filing dateSep 17, 1976
Grant dateNov 14, 1989
Priority date
Expiry dateSep 17, 1996

Classification

  • Technology area (CPC —)General

Abstract

A pressure-sensitive recording paper comprising a support having coated thereon a layer of color former, said color former dissolved in at least one compound represented by the following formula: ##STR1## wherein n is an integer of 1 to 8, R and R' each represent a member selected from the group consisting of alkyl groups containing one to eight carbon atoms, and a hydrogen atom, p and q represent the number of alkyl groups, p+q being an integer of 1 to 3, and R and R' may be the same.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.