Patents Assigned to Benz Research and Development Center
  • Contact lens of high water content and high water balance
    Patent number: 6245830
    Abstract: A contact lens of high water content and extremely high water balance made of a homopolymer or copolymer of 2,3-dihydroxypropyl methacrylate and methods of making such contact lenses, and polymers and hydrogels useful in such contact lenses.
    Type: Grant
    Filed: March 13, 2000
    Date of Patent: June 12, 2001
    Assignee: Benz Research and Development Center
    Inventors: Patrick H. Benz, Jose A. Ors