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:
Aug. 07, 1984
Filed:
Jul. 14, 1982
Sumitomo Chemical Company, Limited, Osaka, JP;
Abstract
A bisazo reactive compound represented by a free acid of the formula, ##STR1## wherein X is --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 R (R is a group capable of being split off with an alkali); Y is phenylene group or naphthylene group, said phenylene group being unsubstituted or substituted by 1-3 identical or different substituent(s) selected from C.sub.1-C.sub.4 alkyl groups, C.sub.1 -C.sub.4 alkoxy groups, chlorine atom and bromine atom, and said naphthylene group being unsubstituted or substituted by 1-3 sulfonic acid group(s); and Z is hydrogen atom, halogen atom, nitro group, cyano group, C.sub.1 -C.sub.4 alkyl group or C.sub.1 -C.sub.4 alkoxy group. The compound is useful for dyeing cellulose, polyamide or polyurethane fibers in a blue-black color having excellent fastnesses, particularly chlorine fastness, and excellent built-up property.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile