Patents by Inventor Manfred Dewenter

Manfred Dewenter 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).

  • Stabilized pesticidal composition
    Patent number: 4892866
    Abstract: The invention provides a pesticidal composition comprising, as active ingredient, dimethoate together with at least one inert carrier therefor, characterized in that the composition contains, as stabilizer, a cyclopropene fatty acid or an oil containing at least 1% w of a cyclopropene fatty acid.
    Type: Grant
    Filed: July 22, 1988
    Date of Patent: January 9, 1990
    Assignee: Shell International Research Maatshappij B. V.
    Inventors: Hanshelmut Itzel, Manfred Dewenter, Siegfried Henke