Patents by Inventor Christine J. Liau

Christine J. Liau 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).

  • Photochromic intraocular lenses and methods of making the same
    Patent number: 8133274
    Abstract: Intraocular lenses containing a photochromic agent, are disclosed. Specifically, the foldable intraocular lens of the present invention comprises an optic body made from a crosslinked material comprising at least one monomer, a crosslinker, a UV absorber, and a photochromic agent which has a maximum absorption peak of about 400-500 nm in its excited state. The lens has a glass transition temperature of about 37° C. or lower. Methods for making these intraocular lenses are also taught.
    Type: Grant
    Filed: June 13, 2005
    Date of Patent: March 13, 2012
    Assignee: Medennium, Inc.
    Inventors: Stephen Q. Zhou, Christopher D. Wilcox, Christine J. Liau