Patents by Inventor Petra Paynter

Petra Paynter 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).

  • Publication number: 20100048790
    Abstract: There is disclosed a particulate glass cullet having a d90 less than about 20 ?m, and a particulate glass cullet having a d90 wherein the particles have been surface treated to modify on or more properties of the cullet. The particulate materials may be obtained by a suitable grinding process. The particulate glass cullet and surface treated particulate glass cullet are useful as anti-blocking pigments in polymer compositions.
    Type: Application
    Filed: July 21, 2006
    Publication date: February 25, 2010
    Applicant: Imerys Minerals Limited
    Inventors: Jarrod R. Hart, Petra Paynter, David Robert Skuse, Scott K. Palm