Patent · US Expired

Fibre-reactive dyes, their preparation and their use

US5837827A · kind A · utility

5Cited by

7References

12Claims

0Family size

Assignee

Ciba Specialty Chemicals Corporation · US

Inventors

Hans Reichert · Rheinfelden (Baden), DE
Herbert Klier · Bad Krozingen, DE

Key dates

Filing date	Nov 12, 1996
Grant date	Nov 17, 1998
Priority date	—
Expiry date	Nov 12, 2016

Classification

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

Abstract

Compounds of the formula ##STR1## in which the variables have the meaning given in the claims, which are suitable as fibre-reactive dyes for dyeing or printing widely varying fibre materials are described.

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