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. 08, 1979
Filed:
Nov. 29, 1977
Applicant:
Inventors:
Axel Kleemann, Hanau, DE;
Karl H Klingler, Langen, DE;
Ansgar VON Schlichtegroll, Bad Homburg, DE;
Fritz Stroman, Offenbach, DE;
Klaus Thiemer, Hanau, DE;
Erik Westermann, Hannover-Buchholz, DE;
Assignee:
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
424253 ; 544272 ;
Abstract
There are prepared compounds of the formula ##STR1## in which T is the theophyllin-7-yl group and alk is a straight or branched alkylene chain with 2 to 4 carbon atoms and salts thereof. The compounds promote circulation and produce a marked and persistent increase in renal circulation.