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:
May. 19, 2020
Filed:
Jan. 18, 2018
Applicant:
Industriale Chimica S.r.l., Milan, IT;
Inventors:
Roberto Lenna, S. Giorgio Su Legnano, IT;
Claudio Delfrate, Rho, IT;
Davide Rigamonti, Lambrugo, IT;
Assignee:
INDUSTRIALE CHIMCA S.R.L., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07J 15/00 (2006.01); C07J 75/00 (2006.01);
U.S. Cl.
CPC ...
C07J 15/005 (2013.01); C07J 75/00 (2013.01);
Abstract
The present invention refers to a new process for the synthesis of (9β,10α)-pregn-4-ene-3,20-dione, commonly known as retroprogesterone, having the formula (1) shown below.