Patent · US Expired

Cyan mixtures for dye transfer

US5421834A · kind A · utility

1Cited by

5References

3Claims

0Family size

Assignee

BASF SE

Inventors

Karl-Heinz Etzbach · Bischofswerda, DE
Thomas Werner · Portland, US
Ruediger Sens · Mannheim, DE

Key dates

Filing date	May 10, 1993
Grant date	Jun 6, 1995
Priority date	—
Expiry date	May 10, 2013

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S430/165
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Cyan thermal transfer dye mixtures comprise at least one anthraquinone dye whose absorption maximum is at a wavelength of from 600 to 750 nm and also at least one triazolopyridine, pyridone, 1-amidopyrid-2,6-dione, heterocyclic pyridone and/or halogenated quinolone dye.

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