Patents by Inventor Maylee H. Chou

Maylee H. Chou 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 method
    Patent number: 5310429
    Abstract: A hard contact lens formed of a polymer having silicon and chlorine incorporated therein is exposed to a solution containing an admixture, an alkylphenyl polyether alcohol surfactant, a second surfactant which is anionic and a third surfactant having a preservative action and the solution is rubbed against the contact lens to remove surface deposits thereon.
    Type: Grant
    Filed: December 2, 1992
    Date of Patent: May 10, 1994
    Assignee: Polymer Technology Corporation
    Inventors: Maylee H. Chou, Edward J. Ellis
  • Contact lens cleaning material and method
    Patent number: 5190594
    Abstract: New contact lens cleaning materials are designed for use in cleaning fluorine and silicon containing hard contact lenses. The contact lens cleaning materials are water based and contain an alkylphenyl polyether alcohol surfactant, an anionic second surfactant selected to have good cleaning action with respect to protein and mucous-like material deposits and a phosphate ester surfactant.
    Type: Grant
    Filed: October 7, 1991
    Date of Patent: March 2, 1993
    Assignee: Polymer Technology Corporation
    Inventors: Maylee H. Chou, Edward J. Ellis
  • Contact lens cleaning material and method
    Patent number: 5089053
    Abstract: New contact lens cleaning materials are designed for use in cleaning fluorine and silicon containing hard contact lenses. The contact lens cleaning materials are water based and contain an alkylphenyl polyether alcohol surfactant and an anionic second surfactant selected to have good cleaning action with respect to protein and mucous-like material deposits.
    Type: Grant
    Filed: November 9, 1989
    Date of Patent: February 18, 1992
    Assignee: Polymer Technology Corporation
    Inventors: Maylee H. Chou, Edward J. Ellis