Patent · US Expired

Transfer sheet for sublimation recording

US5302573A · kind A · utility

1Cited by
4References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 23, 1992
Grant dateApr 12, 1994
Priority date
Expiry dateDec 23, 2012

Classification

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

Abstract

A magenta dyestuff for sublimation heat transfer recording is here disclosed which is represented by the formula (I) ##STR1## wherein R.sup.1 is an alkyl group or alkoxy group, R.sup.2 is an alkyl group, aryl group or halogenoalkyl group, R.sup.3 is an alkyl group, aryl group, alkoxyalkyl group, cyanoalkyl group, alkylcarboxyalkyl group or halogenoalkyl group, X is a hydrogen atom or alkoxy group, and Y is a hydrogen atom, alkoxy group, alkylcarbonylamino group or alkyl-sulfonylamino group, and this dyestuff is excellent in solubility, ribbon shelf stability, dye-fixing properties, durability and light resistance.

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