Patent · US Expired

Fiber reactive dyestuffs

US6329514A · kind A · utility

3Cited by
0References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 8, 2000
Grant dateDec 11, 2001
Priority date
Expiry dateFeb 8, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B62/503
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A fiber reactive dyestuff of the following formula (I) ##STR1## wherein the definition of D, and Z the same meaning as given in the description. The fiber reactive dyestuff of the present invention is suitable for dyeing and printing on cellulose fiber or fiber materials containing cellulose. Dyed material with various excellent properties in dyed color can be obtained, showing especially outstanding performance in the property of wash fastness.

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