Patents by Inventor Andrew Speirs

Andrew Speirs 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).

  • UV INKJET COMPOSITIONS
    Publication number: 20240084152
    Abstract: The present invention relates to a UV-curable inkjet composition comprising ?20% (w/w) of any blend of monofunctional acrylate monomers, ?7.5% (w/w) of any blend of photoinitiators, and one or more acrylated amines.
    Type: Application
    Filed: December 3, 2020
    Publication date: March 14, 2024
    Applicant: SUN CHEMICAL CORPORATION
    Inventors: Derek ILLSLEY, Thomas BUDDEN, Neil CORCORAN, Steve HALL, Daniel WEEKS, Andrew SPEIRS
  • Bone plate and bone screw system
    Publication number: 20060009770
    Abstract: A bone screw having a head portion and a threaded shaft extending therefrom is described. The head portion has a top surface with a drive means formed therein coaxial with the threaded shaft and a profiled portion between the top surface and the threaded shaft. The profiled portion of the body is provided with a circumferential groove on its surface, substantially coaxial with the threaded shaft.
    Type: Application
    Filed: November 18, 2004
    Publication date: January 12, 2006
    Inventors: Andrew Speirs, Raymond Desjardins