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. 03, 1999
Filed:
May. 01, 1998
Thomas S Phillips, North Providence, RI (US);
Ralph Svenningsen, Coventry, RI (US);
Ronald P Pedemonte, Eppstein-Vockenhausen, DE;
Dystar, L.P., Charlotte, NC (US);
Abstract
Fiber-reactive monoazo and disazo dyes, suitable for dyeing cellulose material, such as cotton, and also synthetic or natural polyamide material, such as wool, in high color depth and with good fastness properties, are described which contain a quaternary ammonium group, such as a trialkylammonium group, and contain, as a fiber-reactive group, a group of the vinyl-sulfone series, or a grouping containing a group of the vinyl-sulfone series, or a heterocyclic fiber-reactive group selected from a halogeno-substituted pyrimidine or triazine.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile