Patents by Inventor Kelly Benjamin

Kelly Benjamin 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).

  • Impact resistant plastic ophthalmic lens
    Patent number: 5619288
    Abstract: A method is disclosed for imparting impact resistance to a plastic ophthalmic lens. The method consists of applying a coating of a multifunctional acrylate in a solvent mixture to the back surface of the lens, and curing the multifunctional acrylate to form an impact resistance imparting coat. The multifunctional acrylate preferably has at least about 40%, by weight, of a difunctional acrylate. The multifunctional acrylate preferably has a glass transition temperature less than about 60.degree. C. Lenses with an impact resistance imparting coat on the back, and an abrasion resistant coat on at least the front of the lens, are also disclosed.
    Type: Grant
    Filed: January 23, 1995
    Date of Patent: April 8, 1997
    Assignee: Essilor of America, Inc.
    Inventors: Sidney S. White, Jr., Julie S. Berzon, Hoa T. Dang, Sheila M. Tatman, Robert A. Valeri, Kelly Benjamin