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:
Sep. 04, 1990
Filed:
Apr. 06, 1989
Applicant:
Inventors:
Werner Skuballa, Berlin, DE;
Bernd Raduechel, Berlin, DE;
Helmut Vorbrueggen, Berlin, DE;
Jorge Casals-Stenzel, Mainz, DE;
Gerda Mannesmann, Cologne, DE;
Ekkehard Schillinger, Berlin, DE;
Michael H Town, Berlin, DE;
Assignee:
Schering Aktiengesellschaft, Berlin and Bergkamen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; H61K / ;
U.S. Cl.
CPC ...
514530 ; 514460 ; 514473 ; 514573 ; 514569 ; 549427 ; 549501 ; 556437 ; 558 52 ; 560 56 ; 560110 ; 560119 ; 560256 ; 562466 ; 562498 ; 562501 ;
Abstract
Carbacyclin derivatives of Formula I ##STR1## wherein R.sub.1 is hydrogen or OR.sub.2, wherein R.sub.2 is hydrogen, alkyl, cycloalkyl, aryl, ##STR2## or a heterocyclic residue; or R.sub.1 is NHR.sub.3 wherein R.sub.3 is an acid residue (acyl) or R.sub.2,