Patents by Inventor Bob G. Kannenberg

Bob G. Kannenberg 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 of stabilizing clay formations
    Patent number: 4158521
    Abstract: A solution of an oxygenated polyamine, which is the reaction product of dimethylamine and epichlorohydrin, has been discovered to possess excellent stabilization properties when used as a treatment for stabilizing a clay containing formation, for example in the treatment of oil and gas producing boreholes which penetrate clay containing formations. Preferred copolymers of this type which are useful in clay formation treatments include those having epichlorohydrin to dimethylamine mole ratios in the range of from about 0.79 to about 0.93.
    Type: Grant
    Filed: June 26, 1978
    Date of Patent: June 19, 1979
    Assignee: The Western Company of North America
    Inventors: Robert W. Anderson, Bob G. Kannenberg