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, 1980
Filed:
Nov. 24, 1978
Applicant:
Inventors:
Helmut Vorbruggen, Berlin, DE;
Werner Skuballa, Berlin, DE;
Bernd Raduchel, Berlin, DE;
Wolfgang Losert, Berlin, DE;
Olaf Loge, Berlin, DE;
Bernd Muller, Aachen, DE;
Gerda Mannesmann, Berlin, DE;
Assignee:
Schering Aktiengesellschaft, Berlin and Bergkamen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
424263 ; 424274 ; 424275 ; 424283 ; 424285 ; 542426 ; 542429 ; 542430 ; 546269 ; 549 60 ; 26032636 ; 2603 / ; 2603 / ; 26034622 ; 26034673 ;
Abstract
Stabilized prostacyclins having a wide range of pharmacological activity and long duration of such activity, have the formula ##STR1## wherein R.sub.1 is (a) OR.sub.3, wherein R.sub.3 is hydrogen, alkyl, cycloalkyl, aryl or a heterocyclic residue; or (b) NHR.sub.4 wherein R.sub.4 is an acid residue;