Patents by Inventor James I. McFarlane

James I. McFarlane 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).

  • Stabilized alkali metal bisulfite or sulfite-catalyzed solutions
    Patent number: 4231894
    Abstract: The present invention is directed to a method of stabilizing aqueous solutions containing alkali metal sulfite or bisulfite and a catalyst therefor. The catalyzed sulfites which are of primary concern in the present instance are those which are used to inhibit or control oxygen corrosion in water treatment, particularly boiler water treatment.
    Type: Grant
    Filed: January 17, 1980
    Date of Patent: November 4, 1980
    Assignee: Betz Laboratories, Inc.
    Inventors: Walter M. Lavin, James I. McFarlane, Dennis L. Rose
  • Triethylene tetramine stabilization of cobalt catalyzed sulfite solutions and use thereof in controlling oxygen corrosion in boiler water systems
    Patent number: 4019859
    Abstract: A method of stabilizing aqueous solutions containing alkali metal sulfite or bisulfite and a catalyst therefor by incorporating in said solutions a stabilizing amount of triethylene tetramine. The catalyzed sulfites which are of primary concern in the present instance are those which are used to inhibit or control oxygen corrosion in water treatment, particularly boiler water treatment.
    Type: Grant
    Filed: September 20, 1976
    Date of Patent: April 26, 1977
    Assignee: Betz Laboratories, Inc.
    Inventors: Walter M. Lavin, James I. McFarlane, Dennis L. Rose