Patent · US Expired

Thermosensitive recording material

US4636819A · kind A · utility

30Cited by
3References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 27, 1986
Grant dateJan 13, 1987
Priority date
Expiry dateJan 27, 2006

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41M5/426
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A thermosensitive recording material comprises (a) a support member, (b) a thermosensitive coloring layer formed on the support member, comprising a colorless or light-colored leuco dye, a zinc thiocyanate antipyrine complex having the following formula, which serves as a color developer capable of inducing color formation in the leuco dye upon application of heat thereto, and (c) a protective layer formed on the thermosensitive coloring layer, consisting essentially of a water-soluble resin for protecting the thermosensitive coloring layer.

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