The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 13, 2004
Filed:
Nov. 15, 2002
Applicant:
Inventor:
Warren James Ebenezer, Stockport, GB;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B 6/2533 ; D06P 1/384 ;
U.S. Cl.
CPC ...
C09B 6/2533 ; D06P 1/384 ;
Abstract
The present invention relates to reactive azo dyes of the formula (I) or an alkali metal salt thereof, wherein A is formula (i) or (ii) C is an optionally substituted aromatic or heteroaromatic residue; and R , R , B, D, Y, a, b, c, d and n are defined as given in claim , a process for preparing said dyes and a process for colouring fibre material, which comprises applying thereto said dyes.