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:
Aug. 23, 2016
Filed:
Sep. 03, 2013
Applicant:
Industriale Chimica S.r.l., Milan, IT;
Inventors:
Roberto Lenna, S. Giorgio su Legnano, IT;
Edoardo Mariani, Santa Maria del Taro, IT;
Andrea Vanossi, Merone, IT;
Assignee:
INDUSTRIALE CHIMICA S.r.l., , IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07J 21/00 (2006.01); C07J 1/00 (2006.01);
U.S. Cl.
CPC ...
C07J 21/006 (2013.01); C07J 1/007 (2013.01); C07J 1/0059 (2013.01);
Abstract
There is described a process for the industrial synthesis of 11-methylene-18-methyl-estr-4-en-3,17-dione, a compound having the structure formula (I) depicted below: (Formula I) (I) useful as intermediate compound in the synthesis of the progestin compounds Desogestrel and Etonogestrel.