Patents by Inventor Ulrike Bruninghaus

Ulrike Bruninghaus 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).

  • Patent number: 5804672
    Abstract: A mixture of an adduct of an epoxy resin and a novolak with an acrylate polymer, a modified bisphenol A or a polyol in conjunction with a polyisocyanate or a polyol of an OH-terminated polyurethane or polyester gives a heat-sealing adhesive combining high heat resistance and good hydrolysis stability with relatively high bond strengths. Accordingly, the composition is suitable above all as a base material and cover film for printed circuits.
    Type: Grant
    Filed: February 29, 1996
    Date of Patent: September 8, 1998
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Gerd Bolte, Gunter Henke, Ulrike Bruninghaus