Patent · US Expired

Fiber-reactive triphenodioxazine dyes

US5532362A · kind A · utility

0Cited by

4References

6Claims

0Family size

Assignee

Hoechst Celanese Corporation · US

Inventors

Walter Helmling · Hofheim, DE
David Brunetti · Harrisville, US
Uwe Reiher · Hofheim, DE

Key dates

Filing date	May 25, 1995
Grant date	Jul 2, 1996
Priority date	—
Expiry date	May 25, 2015

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B62/5033
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention is directed to a dioxazine dye which provides brilliant reddish blue dyeings possessing superior fastness properties and high tinctorial strength.

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