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. 28, 1989
Filed:
Aug. 19, 1987
Applicant:
Inventors:
William F Rieker, Plainsboro, NJ (US);
William A Daniels, Belle Mead, NJ (US);
Assignee:
American Cyanamid Company, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
546321 ; 546113 ; 546114 ; 546115 ; 546116 ; 546320 ;
Abstract
The present invention provides a novel method for the preparation of pyridine-2,3-dicarboxylic acids by the oxidation of 8-substituted quinolines.
Rieker, William. (1989). Method for the preparation of pyridine-2,3-dicarboxylic acids (U.S. Patent No. 4816588). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4816588
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile