Patents by Inventor Wendelin Dewenter

Wendelin 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).

  • Method for drying out rock containing immobile formation water within the encroachment area of natural gas deposits and gas reservoirs
    Patent number: 6165948
    Abstract: The invention relates to a process for drying out rock containing immobile formation water in the intake radius of natural gas wells and gas storage wells which deliver less than 50 l of water per 1000 m.sup.3 (S.T.P.) of natural gas produced, in which a dispersion comprising the componentsA) a water-repellent active compound,B) hydrophilic water-miscible dispersion medium, with or withoutC) a dispersant renders the water-containing rock hydrophobic.
    Type: Grant
    Filed: June 10, 1999
    Date of Patent: December 26, 2000
    Assignee: Wacker-Chemie GmbH
    Inventors: Wendelin Dewenter, Kai-Udo Sewe, Willibald Burger, Michael Geck, Ludwig Esterbauer