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:
Sep. 23, 2014
Filed:
Jul. 22, 2011
Applicants:
Mauro Montorsi, Milan, IT;
Edoardo Mariani, Milan, IT;
Luca Gambarin, Milan, IT;
Gianmauro Orru′, Milan, IT;
Romeo Scalaprice, Milan, IT;
Massimo Merlo, Milan, IT;
Erika Andriolo, Milan, IT;
Inventors:
Mauro Montorsi, Milan, IT;
Edoardo Mariani, Milan, IT;
Luca Gambarin, Milan, IT;
Gianmauro Orru′, Milan, IT;
Romeo Scalaprice, Milan, IT;
Massimo Merlo, Milan, IT;
Erika Andriolo, Milan, IT;
Assignee:
Newchem S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/34 (2006.01); C07D 307/94 (2006.01); C07J 21/00 (2006.01); C07J 53/00 (2006.01);
U.S. Cl.
CPC ...
C07J 21/003 (2013.01); C07D 307/94 (2013.01); A61K 31/34 (2013.01); C07J 53/008 (2013.01);
Abstract
The invention relates to a process for the preparation of Drospirenone in high yields and purity starting from a compound of formula 2