Patents by Inventor Deborah L. Oberst

Deborah L. Oberst 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).

  • Compositions comprising mineralized ash fillers
    Publication number: 20040266933
    Abstract: The invention relates to plastics that comprise a polymer resin and a mineralized (i.e., de-metallized) ash as a filler. The mineralized ash-filled plastics exhibit improved rheological and physical properties, relative to plastics made using other fillers. The plastics can contain a variety of other fillers and additives. The invention further relates to methods of making and using the plastics.
    Type: Application
    Filed: June 27, 2003
    Publication date: December 30, 2004
    Applicant: CertainTeed Corporation
    Inventors: Michael L. Friedman, Deborah L. Oberst