Patents by Inventor James G. Harte

James G. Harte 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 oil well corrosion inhibition via emulsions and emulsions therefore
    Patent number: 5027901
    Abstract: A method of inhibiting corrosion in an oil well comprises introducing into the well a pourable emulsion comprisinga. 50-95% of a discontinuous aqueous phase (such as ordinary water); andb. 5-50% of a continuous oil phase (such as kerosene or similar hydrocarbon) containing a corrosion inhibiting compound (such as an imidazoline).This method results in more consistent corrosion protection, even if longer treatment intervals are used.
    Type: Grant
    Filed: September 6, 1989
    Date of Patent: July 2, 1991
    Assignee: Petrolite Corporation
    Inventors: Eddie C. French, William F. Fahey, James G. Harte