Patents by Inventor Wilhelm Frolke

Wilhelm Frolke 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).

  • 1,2,4-triazolo-carbamates
    Patent number: 4732900
    Abstract: New 1,2,4-triazolo-carbamates of general formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have the meanings given in the specification, are acetylcholinesterase inhibitors and may be used as drugs for the treatment of senile dementia.
    Type: Grant
    Filed: October 25, 1985
    Date of Patent: March 22, 1988
    Assignee: Boehringer Ingelheim KG
    Inventors: Karl-Heinz Weber, Dieter Hinzen, Franz-Josef Kuhn, Erich Lehr, Wilhelm Frolke, Wolfgang Troger, Helmut Ensinger, Gerhard Walther, Albrecht Harreus
  • Lipolytic composition and method of treating obesity
    Patent number: 4499106
    Abstract: Lipolytic pharmaceutical composition containing 1-(4-hydroxy-3-dimethylamino-sulfonamidophenyl)-1-hydroxy-2-(1-phenoxy-iso propylamino)ethane or a pharmaceutically acceptable acid addition salt thereof as the active ingredient, and a method of combatting obesity therewith.
    Type: Grant
    Filed: May 20, 1983
    Date of Patent: February 12, 1985
    Assignee: Boehringer Ingelheim KG
    Inventors: Werner Traunecker, Wilhelm Frolke, Heinrich Kreuzer, Hans P. Kollmer
  • N-[1-(3',4'-methylenedioxy-phenyl)-propyl-(2)]-N'-phenyl-piperazines and salts thereof
    Patent number: 4094980
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2 are chlorine, orR.sub.1 is methyl and R.sub.2 is methoxy,And non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as their salts are useful as anti-hyperlipidemics and anti-hypercholesteremics with practically negligible CNS-depressing side effects.
    Type: Grant
    Filed: December 10, 1976
    Date of Patent: June 13, 1978
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Ernst-Otto Renth, Anton Mentrup, Kurt Schromm, Wilhelm Frolke