Patents by Inventor Carsten Woerner

Carsten Woerner 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).

  • Polyoxymethylene with improved resistance to acids and its use
    Patent number: 7247665
    Abstract: Polyoxymethylene with improved resistance to acids, comprising A from 84 to 99.79% by weight of at least one polyoxymethylene homo- or copolymer, B from 0.1 to 5% by weight of at least one polyalkylene glycol, C from 0.1 to 10% by weight of zinc oxide, and D from 0.01 to 1% by weight of one or more nitrogen-containing costabilizers, where the total of the percentages by weight of components A to D is 100%. This polyoxymethylene is particularly advantageous when used for producing moldings for use in contact with aggressive acids or with aggressive acid-containing cleaning agents, in particular for applications in the sanitary sector or the white goods sector.
    Type: Grant
    Filed: September 1, 2000
    Date of Patent: July 24, 2007
    Assignee: Ticona GmbH
    Inventors: Carsten Woerner, Ursula Ziegler, Kurt Witan, Klaus Kurz