Patents by Inventor T. M. McCullough

T. M. McCullough 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).

  • Emulsion minimizing corrosion inhibitor for naphtha/water systems
    Patent number: 5104578
    Abstract: A corrosion inhibitor formulation for oil and water systems which formulation is resistant to sludge formation and does not tend to stabilize oil/water emulsions when added to oil and water systems. The corrosion inhibitor includes an imidazoline dissolved in an aromatic solvent, a 2-hydroxyalkylcarboxylic acid such as glycolic acid and a glycol such as hexylene glycol. The imidazoline is preferably prepared from a long chain fatty acid and a polyamine in a molar ratio of about 1.5:1.
    Type: Grant
    Filed: July 22, 1991
    Date of Patent: April 14, 1992
    Assignee: Betz Laboratories, Inc.
    Inventor: T. M. McCullough