Patents by Inventor William J. Closson

William J. Closson 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).

  • Contact lens cleaning composition containing lipid solvent and method of using
    Patent number: 4421665
    Abstract: A composition for cleaning lenses which includes a non-polar solvent in the form of cyclohexane and/or ethyl acetate with a trace amount of an organic solvent in the form of chloroform or ethyl acetate and a polar solvent in the form of an alcohol. The composition further includes thimerosal, a wetting agent, a surfactant, and a buffer. The composition is provided as a saline solution.
    Type: Grant
    Filed: January 19, 1981
    Date of Patent: December 20, 1983
    Inventors: Eugene A. Lloyd, Peter Madri, William J. Closson