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:
Dec. 14, 1999
Filed:
Jul. 30, 1997
Applicant:
Inventors:
Bodo Junge, Wuppertal, DE;
Wolfgang Hartwig, Wuppertal, DE;
Heinrich Meier, Wuppertal, DE;
Rudolf Schohe-Loop, Wuppertal, DE;
Zhan Gao, Beijing, CN;
Bernard Schmidt, Lindlar, DE;
Maarten de Jonge, Overath, DE;
Teunis Schuurman, Lohmar, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
514336 ;
Abstract
4-Heterocyclyl-substituted dihydropyridines are prepared by reacting appropriate aldehydes with .beta.-keto esters and aminocrotonic acid esters, or by esterifying 4-heterocyclyl-substituted dihydropyridinecarboxylic acids. The 4-heterocyclyl-substituted dihydropyridines can be employed in medicaments, in particular for the treatment of disorders of the central nervous system.