Patents by Inventor Jhonce N. Browning

Jhonce N. Browning 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).

  • Stabilization of high purity hydrogen peroxide
    Patent number: 4534945
    Abstract: An aqueous 25% to 35% solution of hydrogen peroxide with a residue on evaporation of 20 mg/l or less are stabilized against decomposition by a maximum of 1.4 mg/l tin. The tin is maintained in the solution in the form of a very fine colloidal sol by the addition of a maximum of 2-5 mg/kg of phosphate added as a phosphonic acid and a maximum of 5.5 mg/kg of a hydroxycarboxylic acid.
    Type: Grant
    Filed: May 3, 1984
    Date of Patent: August 13, 1985
    Assignee: FMC Corporation
    Inventors: Quentin G. Hopkins, Jhonce N. Browning