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:
Jan. 11, 1977
Filed:
Sep. 25, 1975
Applicant:
Inventors:
Georg Anner, Basel, CH;
Peter Wieland, Oberwil, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C07J / ;
U.S. Cl.
CPC ...
2602 / ; 2602 / ; 26039747 ; 424241 ;
Abstract
21-Fluoro-19-norpregnadienes of the formula ##STR1## wherein X represents hydrogen, lower alkyl, chlorine or fluorine and R.sub.1 and R.sub.2 each individually denote a hydrogen atom or an acyclic or carbocyclic hydrocarbon radical or both together with the adjacent carbon atom form a cycloaliphatic ring, are useful gestagenic and ovulation-inhibiting agents suitable for oral administration.