Patents by Inventor Beth A. Rabroker

Beth A. Rabroker 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: 5457152
    Abstract: Filled crystalline thermoplastic resin chips are incorporated into a filled synthetic resin matrix for producing varicolored mineral appearing articles. Wollastonite filled polyphthalamide resin chips increase the surface hardness and decrease the ASTM E 84 Smoke Index of neopentyl glycol/isophthalic polyester molded articles. Crystalline thermoplastics can be extruded in shapes for providing varishaped chips.
    Type: Grant
    Filed: February 19, 1993
    Date of Patent: October 10, 1995
    Assignee: Ralph Wilson Plastics Company
    Inventors: Peter C. Gaa, Beth A. Rabroker