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. 26, 2003
Filed:
Dec. 20, 2001
Applicant:
Inventors:
Thomas Backensfeld, Berlin, DE;
Wolfgang Heil, Berlin, DE;
Assignee:
Schering Aktiengesellschaft, Berlin, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N 4/304 ; A61K 3/1715 ;
U.S. Cl.
CPC ...
A01N 4/304 ; A61K 3/1715 ;
Abstract
Described are inclusion complexes formed between cyclodextrin and drospirenone. In a specific embodiment of the invention, the cyclodextrin is &bgr;-cyclodextrin. The invention further relates to methods of providing such an inclusion complex, and to the use of said inclusion complex for improving the solubility of drospirenone, for providing pharmaceutical compositions, for use as a medicament in the treatment of symptoms associated with menopause and in female contraception.