Patents by Inventor Philip Brocklebank

Philip Brocklebank 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).

  • Treatment of aqueous systems
    Patent number: 4557896
    Abstract: Composition and method for inhibiting corrosion in aqueous systems using synergistic combination of an inorganic nitrite and a phosphonate, e.g., 10-20 ppm sodium nitrite plus 0.5-5 ppm hydroxyethylidene diphosphonic acid.
    Type: Grant
    Filed: June 9, 1981
    Date of Patent: December 10, 1985
    Assignee: Dearborn Chemicals Limited
    Inventors: Philip Brocklebank, John J. Bennison