Patents by Inventor Erik Westermann

Erik Westermann has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Dihydroxyphenylethylaminoalkyl theophyllines
    Patent number: 4153696
    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.
    Type: Grant
    Filed: November 29, 1977
    Date of Patent: May 8, 1979
    Assignee: Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
    Inventors: Axel Kleemann, Karl H. Klingler, Ansgar VON Schlichtegroll, Fritz Stroman, Klaus Thiemer, Erik Westermann