Patents by Inventor Christopher R. Boyer

Christopher R. Boyer 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).

  • Optical articles from curable compositions
    Patent number: 7463417
    Abstract: A curable composition is provided which includes an oligomer having a plurality of pendent and/or terminal ethylenically unsaturated, free-radically polymerizable functional groups, a free-radically polymerizable crosslinking agent, and/or a diluent monomer, and a photoinitiator. The composition, when cured, is non-yellowing, exhibits low shrinkage and low birefringence making it suitable for many optical applications such as optical lenses, optical fibers, prisms, light guides, optical adhesives, and optical films.
    Type: Grant
    Filed: February 13, 2006
    Date of Patent: December 9, 2008
    Assignee: 3M Innovative Properties Company
    Inventors: John E. Duncan, Michael W. O'Keefe, Roy A. Auerbach, Peter M. Olofson, Christopher R. Boyer, Ying-Yuh Lu, Jianhui Xia