Patent · US Expired

Transfer-printing support

US4401692A · kind A · utility

6Cited by
3References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 31, 1981
Grant dateAug 30, 1983
Priority date
Expiry dateJul 31, 2001

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31982
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

Transfer-printing supports, which are impregnated or printed with a formulation containing a mixture of a blue disperse dyestuff which sublimes readily and has the formula ##STR1## in which X is hydrogen or halogen, R, R.sup.1 and R.sup.2 denote alkyl with 1 to 4 carbon atoms and R.sup.3 denotes hydrogen or alkyl with 1 to 4 carbon atoms, and yellow to red disperse dyestuffs which sublime readily, give deep and fast black dyeings on polyester materials and polyester mixed materials by the heat transfer-printing process.

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