Patents by Inventor Karin-Anke Heinrich

Karin-Anke Heinrich 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).

  • Chlorine-resistant elastane fibres
    Patent number: 5969008
    Abstract: The invention relates to polyurethane compositions and especially to elastic polyurethane fibers resulting therefrom which can be employed for swimwear in aqueous, chlorine-containing environments such as swimming pools, for example. The invention relates in particular to polyurethane compositions and especially to elastic polyurethane fibers resulting therefrom that contain hydrotalcites and/or other basic metal aluminium hydroxy compounds coated with polyorganosiloxane or with a mixture of polyorganosiloxane and polyorganohydrogensiloxane.
    Type: Grant
    Filed: October 30, 1997
    Date of Patent: October 19, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Stephan Hutte, Rolf-Volker Meyer, Hans-Joachim Wollweber, Karin-Anke Heinrich