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.

Date of Patent:
Jul. 03, 1984

Filed:

Dec. 22, 1982
Applicant:
Inventors:

Helmut Biere, Berlin, DE;

Joachim-Friedrich Kapp, Berlin, DE;

Irmgard Bottcher, Berlin, DE;

Assignee:

Schering, Aktiengesellschaft, Berlin and Bergkamen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
424245 ; 544225 ; 544252 ; 424251 ;
Abstract

Pyrido[2,1-b]quinazolinones of the formula ##STR1## wherein X is cyano, hydroxyamidocarbonyl, carbamoyl, 5-tetrazolyl, carboxy, carboxy in the form of a salt thereof with a physiologically compatible base, carboxy esterified with a physiologically acceptable alcohol or carboxy amidated with a physiologically acceptable amine;


Find Patent Forward Citations

Loading…