Patents by Inventor Andrew L. Masters

Andrew L. Masters 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).

  • Patent number: 7497903
    Abstract: Micronized perlite filler product, methods of producing the micronized expanded perlite products, and methods of use thereof are provided. The micronized expanded perlite product has, for example, a small median particle size (for example, less than 11 microns), a high blue light brightness (for example, higher than 84) and low oil absorption (for example, less than 70 percent in volume). The micronized expanded perlite product may be used in a variety of applications such as anti-block filler in plastic films and reinforcement filler in polymers.
    Type: Grant
    Filed: September 28, 2004
    Date of Patent: March 3, 2009
    Assignee: Advanced Minerals Corporation
    Inventors: Bo Wang, Timothy R. Smith, Andrew L. Masters, Nigel Julian Keith Danvers
  • Publication number: 20090029171
    Abstract: New functional additive in polymers comprised of micronized diatomite filler product, methods of producing the new functional additive in polymers, and methods of use thereof are provided. The new functional additive in polymers has, for example, a small median particle size (for example, less than 10 microns) and a small top particle size (for example, less than 20 microns), and a high blue light brightness (for example, higher than 84). The new functional additive in polymers may be used in a variety of applications such as reinforcement filler in polymers and anti-block filler in plastic films.
    Type: Application
    Filed: September 28, 2004
    Publication date: January 29, 2009
    Applicant: Advanced Minerals Corporation
    Inventors: Nigel Julian Keith Danvers, Bo Wang, Dursun Ince, Thierry Casteran, Andrew L. Masters, Roger Norman Rothon