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. 02, 1993
Filed:
Oct. 19, 1990
Applicant:
Inventors:
Robert Nickolson, Berlin, DE;
Helmut Vorbrueggen, Berlin, DE;
Claus S Stuerzebecher, Berlin, DE;
Martin Haberey, Berlin, DE;
Assignee:
Schering Aktiengesellschaft, Berlin and Bergkamen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; C07D / ;
U.S. Cl.
CPC ...
514470 ; 549465 ;
Abstract
The invention concerns 20-alkyl-7-oxoprostacyclin derivatives of general Formula I ##STR1## wherein R.sub.1 is the residue OR.sub.3 where R.sub.3 means hydrogen or alkyl of 1-10 carbon atoms optionally substituted by halogen, phenyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -dialkylamino; cycloalkyl, aryl or a heterocyclic residue, or the residue NHR.sub.4 where R.sub.4 means hydrogen or an alkanoyl or alkanesulfonyl residue of respectively 1-10 carbon atoms,