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. 31, 1993
Filed:
Jun. 19, 1991
Applicant:
Inventors:
Andras Toro, Budapest, HU;
Gabor Ambrus, Budapest, HU;
Istvan Pallagi, Budapest, HU;
Nandor Makk, Kismaros, HU;
Gyula Horvath, Budapest, HU;
Ferenc Szederkenyi, Budapest, HU;
Eva Ilkoy, Budapest, HU;
Antonia Jekkel, Budapest, HU;
Imre Moravcsik, Budapest, HU;
Kalman Konczol, Budapest, HU;
Assignee:
Richter Gedeon Vegyeszeti Gyar Rt., Budapest, HU;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07J / ;
U.S. Cl.
CPC ...
540 46 ; 552592 ;
Abstract
The invention relates to a novel process for the preparation of 17 .alpha.-hydroxy-20-oxopregnane derivatives of the general formula (I), ##STR1## wherein R.sub.1 means a hydroxy or an oxo group; and