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. 03, 1998
Filed:
Oct. 10, 1996
Applicant:
Inventors:
Regis Chung Leung-Toung, Mississauga, CA;
Khashayar Karimian, Mississauga, CA;
Tim Fat Tam, Mississauga, CA;
Assignee:
Apotex, Inc., Ontario, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546121 ; 546321 ; 544105 ;
Abstract
The invention relates to a novel process to prepare 1,4-dihydropyridines and in particular amlopidine and in novel intermediates obtained during the synthesis of the 1,4-dihydropyridines which have potential activity as antihypertensive agents.