Patents by Inventor Gerhard Bringmann

Gerhard Bringmann 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).

  • Antimalarial korupensamines and pharmaceutical compositions and medical uses thereof
    Patent number: 5409938
    Abstract: The present invention provides new antimalarial compounds called korupensamines, korupensamine derivatives, and pharmacologically acceptable salts thereof, methods for isolating such antimalarial korupensamines from the plant Ancistrocladus korupensis, methods for obtaining new korupensamine derivatives, antimalarial compositions containing such antimalarial korupensamines or derivatives thereof or pharmacologically acceptable salts thereof, and methods of using such antimalarial compounds for the prevention of malaria infections or for treating mammals with malarial infections. The antimalarial compounds of the present invention inhibit the reproduction and cytopathicity of Plasmodium sp. parasites in vitro and in vivo.
    Type: Grant
    Filed: February 14, 1994
    Date of Patent: April 25, 1995
    Assignee: The United States of America as represented by the Secretary, Department of Health and Human Services
    Inventors: Michael R. Boyd, Guido Francois, Gerhard Bringmann, Yaii F. Hallock, Kirk P. Manfredi, John H. Cardellina, II
  • Use of dioncophyllines as fungicides
    Patent number: 5260315
    Abstract: Methods for combating fungi using dioncophylline A or dioncophylline B.
    Type: Grant
    Filed: May 26, 1992
    Date of Patent: November 9, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Bringmann, Martin Ruebenacker, Eberhard Ammermann, Gisela Lorenz, Laurent A. Assi