Patents by Inventor Charles J. Nicholson

Charles J. Nicholson 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).

  • Dilute Stabilized Peracetic Acid Production and Treatment Process
    Publication number: 20090043123
    Abstract: A process for the rapid production and stabilization of dilute aqueous peracetic acid in which acetic anhydride and hydrogen peroxide are reacted in an aqueous medium with a stoichiometric excess of hydrogen peroxide and the aqueous medium containing the peracetic acid reaction product is adjusted, as necessary, to a pH of less than about 8 to provide a stabilized dilute peracetic acid solution. The dilute peracetic acid may be produced on site or in situ for treatment of an aqueous medium requiring disinfecting, biocidal, antimicrobial or bleaching treatment.
    Type: Application
    Filed: August 6, 2008
    Publication date: February 12, 2009
    Applicant: FMC Corporation
    Inventors: William C. Copenhafer, Charles J. Nicholson, III, Henry A. Pfeffer
  • Oxygen gas diffusion electrode
    Patent number: 5149414
    Abstract: The invention is a porous gas diffusion electrode suitable for manufacturing hydrogen peroxide by the reduction of oxygen in an alkaline electrolyte and of a process for fabricating the electrode.
    Type: Grant
    Filed: November 20, 1986
    Date of Patent: September 22, 1992
    Assignee: FMC Corporation
    Inventors: John S. C. Chiang, Charles J. Nicholson