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:
Jul. 04, 2017
Filed:
Feb. 20, 2013
Industriale Chimica S.r.l., Milan, IT;
Roberto Lenna, S. Giorgio Su Legnano, IT;
Johannes Bernardus Maria Rewinkel, Berghem, NL;
Francesco Barbieri, Bovision Masciago, IT;
Maria Giovanna Luoni, Cardano Al Campo, IT;
INDUSTRIALE CHIMICA S.R.L., , IT;
Abstract
A process is described wherein, by employing 17α-(3-hydroxypropyl)-6β,7β;15β,16β-dimethylene-5β-androstane-3β,5,17β-triol (II) as starting product, in a single stage reaction there is obtained drospirenone, (I), a synthetic steroid with progestogenic, antimineralocorticoid and antiandrogenic action, that is useful for preparing pharmaceutical compositions with contraceptive action.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile