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. 30, 1987
Filed:
Oct. 16, 1985
Applicant:
Inventors:
Jurgen Kleinschroth, Denzlingen, DE;
Gerhard Satzinger, Denzlingen, DE;
Karl Mannhardt, Elzach-Oberprechtal, DE;
Johannes Hartenstein, Stegen-Wittental, DE;
Hartmut Osswald, Waldkirch, DE;
Gunter Weinheimer, Denzlingen, DE;
Edgar Fritschi, St. Peter, DE;
Assignee:
Warner-Lambert Company, Morris Plains, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514258 ; 544279 ;
Abstract
4-Oxo-pyrido[2,3-d]pyrimidine derivatives are herein described as well as processes for their preparation. These compounds possess valuable pharmacological properties. As calcium antagonists they exert vasospasmolytic, vasodilatory, and antihypertensive activities. Surprisingly some of the compounds also have the effect of increasing contractility. They are therefore particularly suited for the treatment of vascular diseases.