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:
Dec. 29, 2015
Filed:
Aug. 05, 2010
Attila Balázs, Kerepes, HU;
János Csörgei, Budapest, HU;
Ádám Demeter, Budapest, HU;
Csaba Sánta, Budapest, HU;
Attila Balázs, Kerepes, HU;
János Csörgei, Budapest, HU;
Ádám Demeter, Budapest, HU;
Csaba Sánta, Budapest, HU;
Richter Gedeon Nyrt., Budapest, HU;
Abstract
The present invention relates to novel crystalline Form II of 17α-acetoxy-21-methoxy-11β-[4-N,N-dimethylaminophenyl]-19-norpregna-4,9-diene-3,20-dione, (also known as CDB-4124), processes for the preparation thereof and pharmaceutical compositions comprising it. Form II can be crystallized from different medium such as esters of C1-C4 alcohols and carboxylic acids, ketones, cyclohexane, acetonitrile, dimethylformamide, dimethyl sulfoxide, water and any mixture thereof.