Patents by Inventor Helmut Prigge

Helmut Prigge 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).

  • Process for preparation of ajoene
    Patent number: 5741932
    Abstract: A process for the preparation of ajoene using cyclodextrin comprising mixing allicin, where appropriate dissolved in water and/or a water-miscible solvent, with .alpha.-cyclodextrin, .beta.-cyclodextrin, .gamma.-cyclodextrin or any desired mixture of these cyclodextrins; and processing to a water-containing composition; drying this composition; and obtaining the resulting ajoene by decomplexation and extraction from the dried composition.
    Type: Grant
    Filed: November 13, 1995
    Date of Patent: April 21, 1998
    Assignee: Consortium fur elektrochemische Industrie GmbH
    Inventors: Guenter Dressnandt, Heinz Rockinger, Helmut Prigge, Arno Treiber
  • 2,4,4-Trichlorobutadienyl-1-phosphates and phosphonates and pesticides made therefrom
    Patent number: 4017613
    Abstract: 2,4,4-Trichlorobutadienyl-1-phosphate and 1-phosphonates are novel compounds, and are effective against organisms such as insects, acarides, and nematodes, and are suitable for application to plants.
    Type: Grant
    Filed: October 20, 1975
    Date of Patent: April 12, 1977
    Assignee: Consortium fur Elektrochemische Industrie GmbH
    Inventors: Wolfgang Deinhammer, Marco Vulic, Manfred Wick, Helmut Prigge