Patents by Inventor Wendy Tobin

Wendy Tobin 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).

  • Thermally stable flame retardant polyamides
    Patent number: 6350802
    Abstract: Certain polyamide molding compositions are disclosed having improved flame resistance and heat stability. These compositions comprise in weight percent, 20-78% polyamide having a melting point of 280-340° C.; 10-60% inorganic filler; 10-35% flame retardant (brominated or chlorinated); 1-10% antimony compound; 1-10% of one or more oxides, hydroxides, or salts of weak mineral acids, and combinations thereof; and 0-2% heat stabilizer.
    Type: Grant
    Filed: March 17, 1999
    Date of Patent: February 26, 2002
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Marvin Michael Martens, Reiko Koshida, Wendy Tobin, Jocelyn M. Willis
  • THERMALLY STABLE FLAME RETARDANT POLYAMIDES
    Publication number: 20010056145
    Abstract: Certain polyamide molding compositions are disclosed having improved flame resistance and heat stability. These compositions comprise in weight percent, 20-78% polyamide having a melting point of 280-340° C.; 10-60% inorganic filler; 10-35% flame retardant (brominated or chlorinated); 1-10% antimony compound; 1-10% of one or more oxides, hydroxides, or salts of weak mineral acids, and combinations thereof; and 0-2% heat stabilizer.
    Type: Application
    Filed: March 17, 1999
    Publication date: December 27, 2001
    Inventors: MARVIN MICHAEL MARTENS, REIKO KOSHIDA, WENDY TOBIN