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:
Feb. 07, 2012
Filed:
May. 18, 2007
Applicants:
Lajosné Dancsi, Budapest, HU;
György Visky, Budapest, HU;
Zoltán Tuba, Budapest, HU;
János Csörgei, Budapest, HU;
Csaba Molnár, Budapest, HU;
Endréné Magyari, Albertirsa, HU;
Inventors:
Lajosné Dancsi, Budapest, HU;
György Visky, Budapest, HU;
Zoltán Tuba, Budapest, HU;
János Csörgei, Budapest, HU;
Csaba Molnár, Budapest, HU;
Endréné Magyari, Albertirsa, HU;
Assignee:
Richter Gedeon Nyrt., Budapest, HU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07J 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A new industrial process for the synthesis of solvate-free 17α-acetoxy-11β-[4-(N,N-dimethyl-amino)-phenyl]-19-norpregna-4,9-diene-3,20-dione [CDB-2914] of formula (I) which is a strong antiprogestogene and antiglucocorticoid agent. The invention also relates to compounds of formula (VII) and (VIII) used as intermediates in the process.