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:
Mar. 25, 1997
Filed:
May. 27, 1994
Applicant:
Inventors:
Jean-Paul Roduit, Sierre, CH;
Alain Wellig, Ried-M orel, CH;
Karin Amacker, Eischoll, CH;
Martin Eyer, Glis, CH;
Assignee:
Lonza Ltd., Gampel/Valais, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546327 ; 546286 ; 546317 ; 546323 ;
Abstract
A process for the preparation of carboxamides of nitrogen-containing aromatic heterocyclic compounds from the corresponding N-heterocyclic compounds by reaction thereof with formamide in the presence of peroxodisulfuric acid or a peroxodisulfate.
Roduit, Jean-Paul. (1997). Process for the preparation of 2,4-pyridine dicarboxylic acid (U.S. Patent No. 5614636). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5614636
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile