Patents by Inventor Paul J. Valint, Jr.

Paul J. Valint, Jr. 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).

  • Wettable silicone hydrogel compositions and methods for their manufacture
    Patent number: 5451617
    Abstract: Improved silicone-containing hydrogels with enhanced wettability comprising at least one silicone-containing prepolymer, and an equimolar amphoteric mixture of acid-containing comonomers and amine-containing comonomers are herein disclosed.
    Type: Grant
    Filed: November 2, 1993
    Date of Patent: September 19, 1995
    Assignee: Bausch & Lomb Incorporated
    Inventors: Yu-Chan Lai, Paul J. Valint, Jr.