Patents by Inventor Othmar Janowitz

Othmar Janowitz 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).

  • Halogen-free mixture, a self-extinguishing prepreg containing this mixture and the use of such a prepreg
    Patent number: 5648436
    Abstract: A halogen-free resin mixture comprising an epoxy resin, a hardener, a flame retardant as well as additives, a self-extinguishing prepreg composed of this resin mixture as well as its advantageous application, particularly as an insulation material. The halogen-free resin mixture being composed of:a) 20-60 weight % epoxy resin;b) 20-60 weight % phenolic novolak hardener;c) 5-65 weight % zinc borate as flame retardant; andd) 0-30 weight % additives.
    Type: Grant
    Filed: June 19, 1995
    Date of Patent: July 15, 1997
    Assignee: Isovolta Osterreichische Isolierstoffwerke Aktiengesellschaft
    Inventors: Othmar Janowitz, Peter Walter