Patents by Inventor David M. Chase

David M. Chase 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).

  • Flame retardant UV cured buffered optical fibers and buffer composition
    Patent number: 7660505
    Abstract: An optical fiber comprising a flame retardant UV light-curable tight-buffer coating coated onto the fiber, wherein said tight-buffer coating is substantially halogen-free, and has a limiting oxygen index of at least about 22%, and wherein said tight-buffer coating is removable from said fiber with a strip-force of less than about 1800 grams when the fiber is upjacketed with said coating at a line speed of at least 300 m/min.
    Type: Grant
    Filed: April 16, 2007
    Date of Patent: February 9, 2010
    Assignee: DSM IP Assets, B.V.
    Inventors: David M. Chase, Kenneth Dake, Kelly A. Hawkinson, Jack Kelly, Edward J. Murphy
  • Flame retardant UV cured buffered optical fibers and buffer composition
    Patent number: 7221841
    Abstract: An optical fiber comprising a flame retardant UV light-curable tight-buffer coating coated onto the fiber, wherein said tight-buffer coating is substantially halogen-free, and has a limiting oxygen index of at least about 22%, and wherein said tight-buffer coating is removable from said fiber with a strip-force of less than about 1800 grams when the fiber is upjacketed with said coating at a line speed of at least 300 m/min.
    Type: Grant
    Filed: October 15, 2004
    Date of Patent: May 22, 2007
    Assignee: DSM IP Assets B.V.
    Inventors: David M. Chase, Kenneth Dake, Kelly A. Hawkinson, Jack Kelly, Edward J. Murphy