Patent · US Expired

Reactive phthalocyanine dyestuffs

US5070193A · kind A · utility

6Cited by

1References

4Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Karl H. Schundehutte · Leverkusen, DE
Manfred Groll · Leverkusen, DE
Josef-Walter Stawitz · Cologne, DE

Key dates

Filing date	Dec 14, 1989
Grant date	Dec 3, 1991
Priority date	—
Expiry date	Dec 14, 2009

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B62/26
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Novel reactive dyestuffs of the formula ##STR1## having the substituent meanings specified in the description are highly suitable for dyeing and printing hydroxyl- and amido-containing textile materials. They produce very fast dyeings and prints in high yields.

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