Patents by Inventor Mary Ann Kelly

Mary Ann Kelly 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).

  • Polyol(allyl carbonate) compositions containing epoxy for reduced shrinkage
    Patent number: 5756618
    Abstract: The present invention relates to a polyol(allyl carbonate) based casting composition suitable for forming high quality ophthalmic lenses which contains an epoxy compound in an amount effective to reduce shrinkage during its final polymerization in a mold. The casting composition of the present invention comprising polyol(allyl carbonate) and epoxy compound contains an initiator for the polymerization of the polyol(allyl carbonate), but does not contain a catalyst for polymerization of the epoxy compound.
    Type: Grant
    Filed: February 14, 1997
    Date of Patent: May 26, 1998
    Assignee: Akzo Nobel nv
    Inventors: Kenneth Dixon, Mary Ann Kelly
  • Christmas decoration
    Patent number: D275845
    Type: Grant
    Filed: September 28, 1983
    Date of Patent: October 9, 1984
    Inventor: Mary Ann Kelly