Patents by Inventor Tor Loken

Tor Loken 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).

  • Stabilizing clay soil with hydroxy-aluminum and cellulosic polymers
    Patent number: 4425165
    Abstract: The present invention provides a method of stabilizing clay soil having a high water content by mixing an effective amount of hydroxy-aluminum and cellulosic polymer with the clay soil to deactivate water and thereby assist in preventing such water from fluidizing the clay soil.
    Type: Grant
    Filed: November 1, 1982
    Date of Patent: January 10, 1984
    Assignee: Chevron Research Company
    Inventors: Odd R. Bryhn, Tor Loken
  • Stabilizing clay soil with dry hydroxy-aluminum
    Patent number: 4380408
    Abstract: A method of stabilizing clay soil comprising admixing the clay soil with an effective amount of dry hydroxy-aluminum.
    Type: Grant
    Filed: July 9, 1981
    Date of Patent: April 19, 1983
    Assignee: Chevron Research Company
    Inventors: Tor Loken, Odd R. Bryhn
  • Stabilizing clay soil with chemical solutions
    Patent number: 4372786
    Abstract: A method of stabilizing clay soil comprising admixing the clay soil with an effective amount of a solution of chemicals comprising hydroxy-aluminum and a chemical selected from the group consisting of potassium chloride, potassium nitrate, potassium sulfate, ammonium chloride, ammonium nitrate, and ammonium sulfate.
    Type: Grant
    Filed: July 9, 1981
    Date of Patent: February 8, 1983
    Assignee: Chevron Research Company
    Inventors: Marion G. Reed, Tor Loken, Odd R. Bryhn
  • Stabilizing clay soil with dry chemical mixtures
    Patent number: 4360599
    Abstract: A method of stabilizing clay soil comprising admixing the clay soil with an effective amount of a dry mixture of chemicals comprising hydroxy-aluminum and a chemical selected from the group consisting of potassium chloride, potassium nitrate, potassium sulfate, ammonium chloride, ammonium nitrate, and ammonium sulfate.
    Type: Grant
    Filed: July 9, 1981
    Date of Patent: November 23, 1982
    Assignee: Chevron Research Company
    Inventors: Tor Loken, Odd R. Bryhn