Patents by Inventor Ricahrd M. Ozark

Ricahrd M. Ozark 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).

  • Patent number: 6440571
    Abstract: The present invention is directed toward the surface treatment of silicone medical devices such as contact lenses and medical implants. In particular, the present invention is directed to a method of modifying the surface of a medical device to increase its biocompatibility or hydrophilicity by coating the device with a hydrophilic polymer by means of reaction between reactive functionalities on the hydrophilic polymer which functionalities are complementary to reactive functionalities on or near the surface of the medical device. The present invention is also directed to a contact lens or other medical device having such a surface coating.
    Type: Grant
    Filed: May 20, 1999
    Date of Patent: August 27, 2002
    Assignee: Bausch & Lomb Incorporated
    Inventors: Paul L. Valint, Jr., Joseph A. McGee, Joseph C. Salamone, Ricahrd M. Ozark