Patents by Inventor Peter Llyod Redmond

Peter Llyod Redmond 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).

  • Black pearlescent pigment with a metal layer
    Patent number: 8337609
    Abstract: A pearlescent effect pigment having an opaque, dark or black color is disclosed. The black pearlescent pigment includes a platelet-shaped non-metal substrate, optionally an oxide layer, a template layer, and a metal layer. The pearlescent luster of the disclosed effect pigment is comparable to those of pure pearlescent effects. The disclosed method provides a cost-effective approach for the manufacturing of the disclosed effect pigment.
    Type: Grant
    Filed: December 1, 2009
    Date of Patent: December 25, 2012
    Assignee: Silberline Manufacturing Co., Inc.
    Inventors: Shufang Yu, Peter Llyod Redmond, Hai Hui Lin, Chang Xu, Parfait Jean Marie Likibi