Patents by Inventor Brenda A. Bartges

Brenda A. Bartges 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).

  • Thermoplastic impact modified polyamide-polyphenylene ether composition
    Patent number: 4923924
    Abstract: Thermoplastic blend compositions comprise a polyamide, a carboxylated polyphenylene ether resin and an impact modifier. The carboxylated polyphenylene ether resin is the product of melt mixing a mixture consisting essentially of polyphenylene ether resin and a minor amount of an ethylenically unsaturated carboxylic acid compound. The impact modifier may comprise a graft of a vinyl aromatic polymer on a rubbery substrate; a vinyl aromatic-conjugated diene-vinyl aromatic triblock polymer; a carboxylated vinyl aromatic-conjugated diene-vinyl aromatic triblock polymer; a carboxylated alpha-olefin polymer; a copolymer of an alpha-olefin compound and an unsaturated carboxylic compound; a graft of a rigid acrylic polymer on a rubber substrate; a linear low density polyethylene; or mixtures thereof.
    Type: Grant
    Filed: March 22, 1988
    Date of Patent: May 8, 1990
    Assignee: Borg-Warner Chemicals, Inc.
    Inventors: Thomas S. Grant, Ronald L. Jalbert, David Whalen, Brenda A. Bartges, Tracey L. Thompson