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:
Nov. 02, 1999
Filed:
Oct. 29, 1997
Applicant:
Inventors:
Andreas Bathe, Darmstadt, DE;
Bernd Helfert, Ober-Ramstadt, DE;
Henning Bottcher, Darmstadt, DE;
Kurt Schuster, Ober-Ramstadt, DE;
Assignee:
Merck Patent Gesellschaft mit beschrankter Haftung, Darmstadt, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
514254 ; 544366 ; 544368 ; 544370 ; 544376 ;
Abstract
Benzofurans of the formula I ##STR1## and their salts in which R.sup.1, R.sup.2 and X have the meanings indicated in claim 1, are suitable as intermediates in the synthesis of medicaments and show effects on the central nervous system.