Patent · US Expired

Transfer of dyes

US4940692A · kind A · utility

7Cited by

1References

7Claims

0Family size

Assignee

BASF SE

Inventors

Volker Bach · Neustadt, DE
Ruediger Sens · Mannheim, DE
Karl-Heinz Etzbach · Bischofswerda, DE
Manfred Ruske · Ludwigshafen, DE

Key dates

Filing date	Apr 3, 1989
Grant date	Jul 10, 1990
Priority date	—
Expiry date	Apr 3, 2009

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S428/914
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Heat transferable dyes which compared with the prior art show better solubility and/or higher light fastness and good to excellent transfer properties have the formula (I) ##STR1## where X is H or CN, R.sup.1, R.sup.2, and R.sup.3 independently of one another are alkyl, alkylcarbonyloxyalkyl, alkoxycarbonyloxyalkyl, alkoxycarbonylalkyl, haloalkyl, hydroxyalkyl, cyanoalkyl, unsubstituted or alkyl-or alkoxy-substituted phenyl or benzyl or a radical of the formula EQU --Y--O].sub.m R.sup.4 (II) where Y is C.sub.2 -C.sub.6 -alkylene, m is 1 to 6 and R.sup.4 is alkyl or phenyl, with the proviso that if X is H then R.sup.1 and R.sup.3 are each substituted or unsubstituted alkyl or substituted or unsubstituted phenyl or if X is H and R.sup.1 is H, then R.sup.3 must be substituted or unsubstituted phenyl.

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