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:
Mar. 20, 2018
Filed:
Apr. 11, 2014
Applicant:
Zach System, Avrille, FR;
Inventors:
Patricia Poirier, Saint Clement de la Place, FR;
Yvon Derrien, La Meignanne, FR;
Massimiliano Forcato, Avrille, FR;
Livius Cotarca, Cervignano del Friuli, IT;
Pierrick Morice, Beaucouze, FR;
Assignee:
ZACH SYSTEM, Avrille, FR;
Primary Examiner:
Int. Cl.
CPC ...
C07J 43/00 (2006.01); A61K 9/16 (2006.01);
U.S. Cl.
CPC ...
C07J 43/003 (2013.01); C07J 43/006 (2013.01);
Abstract
The present invention relates to a process for the preparation of 17-substituted steroids and, more particularly, to an improved method of preparing micro size abiraterone or derivatives thereof in high yield and purity by means of a spherical agglomeration process.