Patents by Inventor Mark Robert York

Mark Robert York 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).

  • Photochromic polymer and composition comprising photochromic polymer
    Patent number: 8865029
    Abstract: A photochromic polymer comprising at least one siloxane oligomer and at least two photochromic groups covalently linked to one or both terminuses of the siloxane oligomer and compositions containing photochromic siloxane polymers with narrow polydispersity. The photochromic polymer enhances switching speed in rigid host polymers.
    Type: Grant
    Filed: June 5, 2009
    Date of Patent: October 21, 2014
    Assignee: Vivimed Labs Europe Ltd.
    Inventors: Richard Alexander Evans, Nino Malic, Mark Robert York, Abdelselam Saeed Ali, Jonathan Andrew Campbell
  • Photochromic Polymer and Composition Comprising Photochromic Polymer
    Publication number: 20110147681
    Abstract: A photochromic polymer comprising at least one siloxane oligomer and at least two photochromic groups covalently linked to one or both terminuses of the siloxane oligomer and compositions containing photochromic siloxane polymers with narrow polydispersity. The photochromic polymer enhances switching speed in rigid host polymers.
    Type: Application
    Filed: June 5, 2009
    Publication date: June 23, 2011
    Applicant: ADVANCED POLYMERIK PTY LTD
    Inventors: Richard Alexander Evans, Nino Malic, Mark Robert York, Abdelselam Saeed Ali, Jonathan Andrew Campbell