Patent · US Expired

Thermally sensitive recording medium

US6645910B1 · kind B1 · utility

3Cited by
0References
8Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJun 6, 2000
Grant dateNov 11, 2003
Priority date
Expiry dateJan 1, 2021

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41M5/44
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

The present invention provides a thermally sensitive recording medium that possesses a thermally sensitive color developing layer containing colorless or pale colored basic leuco dye and an organic color developer as main components on a substrate, wherein said thermally sensitive recording medium contains at least one kind of an ultraviolet ray absorbent of aqueous emulsion type polymer composed of an emulsion copolymerized compound of (a) ultraviolet ray absorbing monomer, (b) vinyl compound monomer that can copolymerize with said monomer, (c) hydrophilic monomer and (d) reactive emulsifier.

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