Patent · US Expired

Complexing agent for thermal color proofing

US6187714A · kind A · utility

0Cited by
1References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 9, 1999
Grant dateFeb 13, 2001
Priority date
Expiry dateJun 9, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S428/914
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A magenta dye-donor element for thermal dye transfer comprising a support having thereon a dye layer comprising a mixture of magenta dyes and a yellow dye dispersed in a polymeric binder, at least one of the magenta dyes having the formula: ##STR1## at least another of the magenta dyes having the formula: ##STR2## said yellow dye having the formula: ##STR3## and said element contains a complexing agent having the formula: ##STR4##

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