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:
Mar. 08, 1977
Filed:
Oct. 09, 1975
Applicant:
Inventors:
Karl Petzoldt, Berlin, DT;
Hans-Jorg Vidic, Berlin, DT;
Klaus Prezewowsky, Berlin, DT;
Yukishige Nishino, Berlin, DT;
Rudolf Wiechert, Berlin, DT;
Henry Laurent, Berlin, DT;
Assignee:
Schering Aktiengesellschaft, Berlin & Bergkamen, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07J / ;
U.S. Cl.
CPC ...
424241 ; 2602 / ; 2603975 ; 2603974 ; 195 / ;
Abstract
7-Hydroxyestradiols of the formula ##STR1## wherein R.sub.1 is hydrogen, acyl, alkyl, cycloalkyl, an oxygenated saturated heterocyclic group or hydrocarbylsulfonyl; R.sub.2 and R.sub.3 each are hydrogen, acyl, oxygenated saturated heterocyclic group or R.sub.2 is hydrocarbylsulfonyl and R.sub.4 is alkyl, alkenyl, chlorinated alkenyl, alkynyl or chlorinated alkynyl, are useful for treating estrogen deficiency symptoms.