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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.:

US 3966713 B1

PDFFull Text
Date of Patent:
Jun. 29, 1976

Filed:

Feb. 25, 1975

11.beta.-fluoroandrostenes

Applicant:
Inventors:

Helmut Hofmeister, Berlin, DT;

Henry Laurent, Berlin, DT;

Rudolf Wiechert, Berlin, DT;

Klaus Annen, Berlin, DT;

Hermann Steinbeck, Berlin, DT;

Assignee:

Schering Aktiengesellschaft, Berlin & Bergkamen, DT;

Attorney:

Millen, Raptes & White

Primary Examiner:

Elbert L Roberts

Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2602 / ; 26039745 ; 2603973 ;
Abstract

11.beta.-Fluoroandrostenes of the formula ##SPC1## Wherein R.sub.1 and R.sub.2 are hydrogen atoms, methylene or another C--C bond; R.sub.3 is H or Cl, R.sub.4 is H, F or Cl; and X is carbonyl, .beta.-hydroxymethylene, or an ester or ether thereof or .alpha.-alkyl-.beta.-hydroxymethylene or an ester thereof, possess androgenic activity and can be prepared by the dehalogenation of a corresponding 9.alpha.-halo-11.beta.-F steroid.

Find Patent Forward Citations

Hofmeister, Helmut. (1976). 11.beta.-fluoroandrostenes (U.S. Patent No. 3966713). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3966713

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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