Patents by Inventor John Edmund Southwell

John Edmund Southwell 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).

  • Liquid radiation curable resins capable of curing into layers with selective visual effects and methods for the use thereof
    Patent number: 9864274
    Abstract: The invention relates to a method for forming a liquid radiation curable resin capable of curing into a solid upon irradiation comprising at least one thermally sensitive visual effect initiator. The liquid radiation curable resin is capable of curing into three-dimensional articles having selective visual effects. The resulting three-dimensional articles possess excellent color and/or transparency stability and excellent mechanical properties.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: January 9, 2018
    Assignee: DSM IP Assets B.V.
    Inventors: Beth Rundlett, John Edmund Southwell, Brett Register
  • LIQUID RADIATION CURABLE RESINS CAPABLE OF CURING INTO LAYERS WITH SELECTIVE VISUAL EFFECTS AND METHODS FOR THE USE THEREOF
    Publication number: 20140235747
    Abstract: The invention relates to a method for forming a liquid radiation curable resin capable of curing into a solid upon irradiation comprising at least one thermally sensitive visual effect initiator. The liquid radiation curable resin is capable of curing into three-dimensional articles having selective visual effects. The resulting three-dimensional articles possess excellent color and/or transparency stability and excellent mechanical properties.
    Type: Application
    Filed: March 26, 2014
    Publication date: August 21, 2014
    Applicant: DSM IP ASSETS B.V.
    Inventors: Beth Rundlett, John Edmund SOUTHWELL, Brett REGISTER
  • LIQUID RADIATION CURABLE RESINS FOR ADDITIVE FABRICATION COMPRISING A TRIARYL SULFONIUM BORATE CATIONIC PHOTOINITIATOR
    Publication number: 20120251841
    Abstract: Liquid radiation curable resins for additive fabrication comprising an R-substituted aromatic thioetber triaryl sulfonmm tetrakis(pentafluorophenyl)borate cationic photoinitiator is disclosed. A process for using the liquid radiation curable resins for additive fabrication and three-dimensional articles made from the liquid radiation curable resins for additive fabrication are also disclosed.
    Type: Application
    Filed: December 16, 2010
    Publication date: October 4, 2012
    Applicant: DSM IP ASSETS, B.V.
    Inventors: John Edmund Southwell, Jigeng Xu, Kangtai Ren, Ken Dake, Sam East