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:
Jun. 14, 1977
Filed:
Aug. 05, 1975
Applicant:
Inventors:
Otto Engelfried, Berlin, DT;
Ulrich Kerb, Berlin, DT;
Rudolf Wiechert, Berlin, DT;
Helmut Wachtel, Berlin, DT;
Dieter Palenschat, Berlin, DT;
Reinhard Horowski, Berlin, DT;
Gert Paschelke, Berlin, DT;
Wolfgang Kehr, Berlin, DT;
Assignee:
Schering Aktiengesellschaft, Berlin and Bergkamen, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07J / ; A61K / ;
U.S. Cl.
CPC ...
424242 ; 424243 ; 2603973 ; 2603974 ; 26039745 ;
Abstract
18-Methyl-19-nor-20-keto steroids of the formula ##STR1## wherein R.sub.1 and R.sub.2 collectively are an oxygen atom, or each is hydrogen, or one of R.sub.1 and R.sub.2 is hydrogen and the other is hydroxy, and R.sub.3 is a ketonic oxygen atom or two hydrogen atoms, possess CNS-depressant activity, especially anesthetic-narcotic activity.