Patent · US Expired

Pyridone dyestuffs

US5359041A · kind A · utility

2Cited by

8References

5Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Wolfram Reddig · Bensberg, DE
Karl J. Herd · Cologne, DE

Key dates

Filing date	Jul 1, 1992
Grant date	Oct 25, 1994
Priority date	—
Expiry date	Jul 1, 2012

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B62/24
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Dyestuffs of the formula ##STR1## in which the substituents have the meaning given in the description, are suitable for the dyeing and printing of, for example, cellulose and polyamides.

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