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. 12, 1990
Filed:
Aug. 29, 1988
Andreas Huth, Berlin, DE;
Dieter Rahtz, Berlin, DE;
Ralph Rohde, Berlin, DE;
Ralph Schmiechen, Berlin, DE;
Dieter Seidelmann, Berlin, DE;
Herbert Schneider, Berlin, DE;
David N Stephens, Berlin, DE;
John B Hansen, Lyngby, DK;
Mogens Engelstoft, Vaerlose, DK;
Preben Olsen, Copenhagen, DK;
Schering Aktiengesellschaft, Berlin and Bergkamen, DE;
Abstract
.beta.-Carbolines of general Formula I ##STR1## wherein Y represents the residue ##STR2## and R.sup.a and R.sup.b, being identical or different, mean respectively hydrogen, C.sub.1-6 -alkoxy, phenyl, C.sub.3-7 -cyclo-alkyl, optionally substituted C.sub.1-6 -alkyl or C.sub.1-6 -alkoxycarbonyl, and R.sup.c and R.sup.d, being identical or different, mean respectively hydrogen or C.sub.1-6 -alkyl or jointly a linkage, and