Patent · US Expired

Reactive pyridone-containing dyestuffs, their preparation and their use

US5412078A · kind A · utility

2Cited by

2References

4Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Thomas Eizenhofer · Neunburg vorm Wald, DE
Wolfgang Harms · Leverkusen, DE
Karl-Josef Herd · Odenthal, DE

Key dates

Filing date	Jan 26, 1993
Grant date	May 2, 1995
Priority date	—
Expiry date	Jan 26, 2013

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B62/4411
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The reactive dyestuffs of the formula ##STR1## wherein the substituents have the meaning given in the description, are particularly suitable for dyeing naturally occurring and synthetic materials containing OH groups and/or amide groups.

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