Patent · US Expired

Imidazolylmethylene-containing triphendioxazine dyes

US4942232A · kind A · utility

0Cited by

9References

10Claims

0Family size

Assignee

BASF SE

Inventors

Manfred Ruske · Ludwigshafen, DE
Manfred Patsch · Monsheim, DE

Key dates

Filing date	Dec 2, 1988
Grant date	Jul 17, 1990
Priority date	—
Expiry date	Dec 2, 2008

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S8/919
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Imidazolylmethylene-containing triphendioxazine dyes of the formula I ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4, m and n each have defined meanings, A.sup..crclbar. is an anion and F is the radical of a triphendioxazine chromophore of the formula II ##STR2## where X.sup.1, X.sup.2, X.sup.3, X.sup.4, X.sup.5, L and p each have defined meanings, are useful for dyeing and printing material containing cellulose fibers.

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