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. 28, 2013
Filed:
Oct. 11, 2005
Applicants:
György Gálik, Albertirsa, HU;
Judit Horváth, Budapest, HU;
Béla Sörös, Budapest, HU;
Sándor Mahö, Budapest, HU;
Zoltán Tuba, Budapest, HU;
Gábor Balogh, Budapest, HU;
Inventors:
György Gálik, Albertirsa, HU;
Judit Horváth, Budapest, HU;
Béla Sörös, Budapest, HU;
Sándor Mahö, Budapest, HU;
Zoltán Tuba, Budapest, HU;
Gábor Balogh, Budapest, HU;
Assignee:
Richter Gedeon Nyrt., Budapest, HU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07J 53/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for the preparation of 17-hydroxy-6β,7β;15β,16β-bismethylene-17α-pregn-4-ene-3-one-21-carboxylic acid γ-lactone of formula (I) as well as to key-intermediates for this process.