Pressure sensitive recording paper
USRE33113E · kind E · reissue
Assignee
Inventors
Key dates
| Filing date | Sep 17, 1976 |
| Grant date | Nov 14, 1989 |
| Priority date | — |
| Expiry date | Sep 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.