Patent · US Expired

Thermosensitive recording material

US4663642A · kind A · utility

12Cited by
1References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 20, 1986
Grant dateMay 5, 1987
Priority date
Expiry dateFeb 20, 2006

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41M5/423
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A thermosensitive recording material comprises a support member, (b) a thermosensitive coloring layer formed on the support member, comprising a binder agent, a colorless or light-colored leuco dye and a color developer capable of inducing color formation is the leuco dye upon application of heat thereto, and (c) a protective layer formed on the thermosensitive coloring layer, comprising a binder agent, a filler and an ultraviolet-ray-absorbing benzotriazole derivative.

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