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:
May. 24, 1977
Filed:
Sep. 05, 1975
Applicant:
Inventors:
Friedrich-Wilhelm A Korte, Attenkirchen, DT;
Frederick Coulston, Rensselaer, NY (US);
Assignee:
Abbott Laboratories, North Chicago, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603453 ; 424283 ;
Abstract
This invention provides novel benzopyran derivatives of the formula ##STR1## wherein R is an alkyl group of 3-10 carbon atoms. The compounds of this invention are useful as antihypertensive agents.