Patents by Inventor Hellmut E. Kulenkampff

Hellmut E. Kulenkampff 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).

  • Fatty acid-based antifungal composition having residual activity
    Patent number: 5246716
    Abstract: An environmentally compatible, non-phytotoxic anti-fungal composition is provided having an active ingredient which comprises a fatty acid metal salt having from 4 to 18 carbon atoms. The metal salt may be formed from metals including calcium, copper, magnesium, and zinc. Additional formulation enhancing agents, such as dispersants, wetting agents and gums, are typically included within the composition. The composition is advantageous in that it exhibits a residual fungicidal effect lasting up to 2 months.
    Type: Grant
    Filed: January 10, 1992
    Date of Patent: September 21, 1993
    Assignee: W. Neudorff GmbH KG
    Inventors: Frederick S. Sedun, Hellmut E. Kulenkampff
  • Fatty acid-based pesticide with reduced phytotoxicity
    Patent number: 5093124
    Abstract: Disclosed are environmentally compatible pesticidal compositions comprising fungicidally or arthropodicidally effective alpha mono carboxylic acids and their salts having reduced phytotoxicity. The reductions in phytotoxicity are achieved by including in the composition a seaweed extract and/or a lecithin.
    Type: Grant
    Filed: November 20, 1989
    Date of Patent: March 3, 1992
    Assignee: Safer, Inc.
    Inventor: Hellmut E. Kulenkampff