Patents by Inventor David Winmill

David Winmill 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).

  • Radiation curable resin composition and rapid prototyping process using the same
    Publication number: 20080064780
    Abstract: The invention relates to a radiation curable composition comprising relative to the total weight of the composition (A) 0-29 wt % of a cationically curable component having a linking aliphatic ester group, (B) 10-85 wt % of an epoxygroup containing component other than A, (C) 1-50 wt % of an oxetanegroup containing component, (D) 1-25 wt % of a multifunctional acrylate and a radical photoinitiator and a cationic photoinitiator.
    Type: Application
    Filed: November 9, 2007
    Publication date: March 13, 2008
    Applicant: DSM IP Assets B.V.
    Inventors: Jens Thies, Aylvin Dias, John Lawton, David Winmill, Jigeng Xu, Xiaorong You
  • Radiation curable resin composition and rapid prototyping process using the same
    Publication number: 20070154840
    Abstract: The invention relates to a radiation curable composition comprising relative to the total weight of the composition (A) 0-29 wt % of a cationically curable component having a linking aliphatic ester group, (B) 10-85 wt % of an epoxygroup containing component other than A, (C) 1-50 wt % of an oxetanegroup containing component, (D) 1-25 wt % of a multifunctional acrylate and a radical photoinitiator and a cationic photoinitiator.
    Type: Application
    Filed: January 8, 2007
    Publication date: July 5, 2007
    Applicant: DSM IP Assets B.V.
    Inventors: Jens Thies, Aylvin Dias, John Lawton, David Winmill, Jigeng Xu, Xiaorong You