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:
Oct. 18, 2005
Filed:
Mar. 27, 2003
Alexander Hillisch, Jena, DE;
Walter Elger, Berlin, DE;
Rolf Bohlmann, Berlin, DE;
Jens Hoffmann, Muehlenbeck, DE;
Alexander Hillisch, Jena, DE;
Walter Elger, Berlin, DE;
Rolf Bohlmann, Berlin, DE;
Jens Hoffmann, Muehlenbeck, DE;
Schering Aktiengesellschaft, Berlin, DE;
Abstract
This invention relates to new 19-nor-17α-pregna-1,3,5(10)-trien-17β-ols with a 21,16α-lactone ring with a long-chain substituent in 11β-position of general formula IIin which Ris a long-chain alkyl radical that has a nitrogen atom that can be substituted in terminal position with a perfluoroalkyl group. The compounds act in a tissue-selective manner as pure antiestrogens and are suitable for the production of pharmaceutical agents because of these properties.