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. 30, 1980
Filed:
Sep. 19, 1978
Applicant:
Inventors:
Gunther Brenner, Erkrath-Unterbach, DE;
Joachim Goring, Gronau, DE;
Eskendar Ali Khan, Gronau, DE;
Oskar Rohte, Gronau, DE;
Manfred Tauscher, Gronau, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
424253 ; 544264 ; 544267 ; 544271 ;
Abstract
7-(Oxoalkyl)-1,3-dialkyl xanthines whose substituents in the 1- and 3-positions are alkyl groups of 2 to 6 carbons, cyclohexyl, alkoxyalkyl or hydroxyalkyl, such as 7-(3-oxobutyl)-1,3-di-n-butylxanthine, are effective vasodilators, having a marked activity in promoting blood flow through skeletal muscle, while at the same time exhibiting low toxicity.