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:
Feb. 08, 2011
Filed:
Sep. 29, 2006
Applicant:
Silvo Zupancic, Novo mesto, SI;
Inventor:
Silvo Zupancic, Novo mesto, SI;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 233/00 (2006.01); C07D 249/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides an improved synthesis for the manufacture of candesartan and pharmaceutically acceptable salts and esters thereof as active ingredients of a medicament for the treatment of hypertension and related diseases and conditions which comprises the removal of the tetrazolyl protecting group in an organic solvent, and in the presence of a Lewis acid.