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. 15, 2003
Filed:
Nov. 14, 2002
Applicant:
Inventors:
Carlos B. Zetina-Rocha, Brantford, CA;
Bhaskar Reddy Guntoori, Brantford, CA;
Stephen E. Horne, Burlington, CA;
Assignee:
Brantford Chemicals Inc., Brantford, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
C07D / ;
Abstract
This invention relates to the preparation of 3-sulfonamido-4-arylaminopyridines by heating a 3-sulfonamido-4-aminopyridine with an aryl halide in the presence of an alkaline compound, a copper-containing agent and in the presence of a polar protic solvent.
Quick Actions:
Zetina-Rocha, Carlos. (2003). Preparation of derivative of 3-sulfonamido-4-phenylaminopyridine (U.S. Patent No. 6593475). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6593475
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile