Patents by Inventor Karin Hellwig

Karin Hellwig 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).

  • 4-substituted quinoline derivatives having fungicidal activity
    Patent number: 6117884
    Abstract: This invention provides compounds of formula (1) ##STR1## wherein the substituents are described in the specification. The compounds of formula (1) are plant fungicides.
    Type: Grant
    Filed: July 31, 1997
    Date of Patent: September 12, 2000
    Inventors: John Daeuble, L. Navell Davis, Karin Hellwig, Neil Kirby, Marshall H. Parker, Mary Pieczko, Lori K. Thomason