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:
Dec. 25, 2007
Filed:
Jan. 09, 2006
Applicants:
Ben-zion Dolitzky, Petach Tiqva, IL;
Julia Kaftanov, Haifa, IL;
Boris Pertsikov, Nesher, IL;
Igor Rukhman, Haifa, IL;
Gennady Nisnevich, Haifa, IL;
Inventors:
Ben-Zion Dolitzky, Petach Tiqva, IL;
Julia Kaftanov, Haifa, IL;
Boris Pertsikov, Nesher, IL;
Igor Rukhman, Haifa, IL;
Gennady Nisnevich, Haifa, IL;
Assignee:
Teva Pharmaceutical Industries Ltd., Petah Tiqva, IL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 257/00 (2006.01); C07D 257/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a novel method of making 2-butyl-3-[[2'(1-trityl-1H-tetrazol-5-yl)biphen-4-yl]methyl]-1,3-diazaspiro[4.4]non-1-ene-4-one, which can be converted to irbesartan. Also provided are methods of making irbesartan.