Patents by Inventor Sjef G. Berndsen

Sjef G. Berndsen 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: 7091267
    Abstract: Disclosed are resinous compositions with excellent balance of impact, heat, flow and environmental stress crack resistance, comprising (i) at least one aromatic polycarbonate, (ii) at least one low molecular weight hydrocarbon resin derived from petroleum C5–C9 feedstock and (iii) optionally a second thermoplastic resin which is not polycarbonate resin, (iv) optionally a rubber modified graft copolymer, and (v) optionally a polymeric or non-polymeric organic phosphorus species. Also disclosed is a method for the manufacture of the compositions and for the manufacture of articles thereof.
    Type: Grant
    Filed: March 18, 2003
    Date of Patent: August 15, 2006
    Assignee: General Electric Company
    Inventors: Robert W. Venderbosch, Sjef G. Berndsen, William A. Kernick, III
  • Publication number: 20030181603
    Abstract: Disclosed are resinous compositions with excellent balance of impact, heat, flow and environmental stress crack resistance, comprising (i) at least one aromatic polycarbonate, (ii) at least one low molecular weight hydrocarbon resin derived from petroleum C5-C9 feedstock and (iii) optionally a second thermoplastic resin which is not polycarbonate resin, (iv) optionally a rubber modified graft copolymer, and (v) optionally a polymeric or non-polymeric organic phosphorus species. Also disclosed is a method for the manufacture of the compositions and for the manufacture of articles thereof.
    Type: Application
    Filed: March 18, 2003
    Publication date: September 25, 2003
    Applicant: General Electric Company
    Inventors: Robert W. Venderbosch, Sjef G. Berndsen, William A. Kernick