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:
Nov. 06, 2001
Filed:
Jul. 01, 1998
Applicant:
Inventors:
H. D. H. Showalter, Ann Arbor, MI (US);
Roy T. Winters, Ann Arbor, MI (US);
Gordon W. Rewcastle, Manurewa, NZ;
William A. Denny, Pakuranga, NZ;
Assignee:
Warner-Lambert Company, Morris Plains, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
C07D / ;
Abstract
An improved process for the preparation of 4,6-disubstituted pyrido[3,4-d]pyrimidines is described where 5-amino-2-fluoropyridine is converted in seven operations to the desired products, as well as other valuable intermediates used in the process.
Quick Actions:
Showalter, H. D. H.. (2001). Process for preparing 4,6-disubstituted pyrido[3,4-d]pyrimidines (U.S. Patent No. 6313292). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6313292
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile