Patents by Inventor Renate I. Warren

Renate I. Warren 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).

  • Polyphenylene ether-high impact polystyrene blends having improved flammability performance
    Patent number: 5143955
    Abstract: Polymer blend compositions having improved flammability performance comprise a polyphenylene ether resin, a high impact polystyrene resin, a flame retardant and a high molecular weight polystyrene resin having a weight average molecular weight, Mw, greater than about 400,000.
    Type: Grant
    Filed: May 28, 1991
    Date of Patent: September 1, 1992
    Assignee: Borg-Warner Chemicals, Inc.
    Inventors: Ronald Kendall, deceased, Ronald H. Place, Renate I. Warren
  • Reducing halide contamination in alkoxy silanes
    Patent number: 5084588
    Abstract: A method for reducing the level of acidic halide contamination in alkoxy silanes, particularly amino alkoxy silanes, by contacting said silane with a salt of an acid having a dissociation constant of greater than about 10.sup.-15.
    Type: Grant
    Filed: October 30, 1990
    Date of Patent: January 28, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Robert L. Ocheltree, James S. Ritscher, Scot M. Turner, Renate I. Warren