Patent · US Expired

Azo dyes for thermotransfer printing

US5158928A · kind A · utility

4Cited by

1References

3Claims

0Family size

Assignee

BASF SE

Inventors

Volker Bach · Neustadt, DE
Karl-Heinz Etzbach · Bischofswerda, DE
Sabine Gruettner · Mutterstadt, DE
Gunther Lamm · Haßloch, DE
Helmut Reichelt · Neustadt, DE
Ruediger Sens · Mannheim, DE

Key dates

Filing date	Feb 8, 1991
Grant date	Oct 27, 1992
Priority date	—
Expiry date	Feb 8, 2011

Classification

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

Abstract

Azo dyes useful for thermotransfer printing have the formula ##STR1##

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