Patents Examined by Isis Ghaa
  • Patent number: 6190688
    Abstract: A material with excellent selective absorption of super antigens. Said material contains urea bonds or thiourea bonds and remains active even in a high protein concentration solution in the neutral region, Activity remains after sterilization. Also provided is a body fluid purifying column for eliminating or detoxification of super antigens. In addition to that, this invention provides a wound dressing material with super antigen adsorbing properties.
    Type: Grant
    Filed: March 1, 1999
    Date of Patent: February 20, 2001
    Assignee: Toray Industries, Inc.
    Inventors: Mayumi Fukuyama, Keishi Miwa, Kazuo Ishikawa