Patents Examined by Andrew C. Merrian
  • Siloxane macromonomers
    Patent number: 5336797
    Abstract: Siloxane macromonomers are disclosed which can be copolymerized with hydrophilic monomers or hydrophobic monomers to prepare polymeric materials useful as biomedical devices. The copolymers made from hydrophilic monomers exhibit good oxygen permeability and are particularly suitable for use in contact lenses.
    Type: Grant
    Filed: December 30, 1992
    Date of Patent: August 9, 1994
    Assignee: Bausch & Lomb Incorporated
    Inventors: Joseph A. McGee, Paul L. Valint, Jr.