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:
May. 12, 2009
Filed:
Jan. 20, 2006
Applicants:
Zhi-xian Wang, Brantford, CA;
Alfredo Paul Ceccarelli, Brantford, CA;
Mohammed Abdul Raheem, Brantford, CA;
Bhaskar Reddy Guntoori, Brantford, CA;
Inventors:
Zhi-Xian Wang, Brantford, CA;
Alfredo Paul Ceccarelli, Brantford, CA;
Mohammed Abdul Raheem, Brantford, CA;
Bhaskar Reddy Guntoori, Brantford, CA;
Assignee:
Apotex Pharmachem Inc., Brantford, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 221/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for producing 17-N-substituted-carbamoyl-4-aza-androst-1-en-3-ones of formula 1, including Finasteride and Dutasteride.