Patents by Inventor Karin Sokolowski

Karin Sokolowski 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).

  • Aqueous binders based on polybutadiene
    Patent number: 6353060
    Abstract: A water-soluble or water-dispersible binder based on polybutadienes which is modified with at least 5% by weight of maleic anhydride and wherein at least 30% of the anhydride groups are present as imide groups from reaction with an amino carboxylic acid.
    Type: Grant
    Filed: December 14, 2000
    Date of Patent: March 5, 2002
    Assignee: Degussa AG
    Inventors: Wilfried Paulen, Rainer Elm, Werner Freitag, Martina Ortelt, Wolfgang Sasse, Karin Sokolowski
  • Aqueous binders based on polybutadiene
    Patent number: 6218477
    Abstract: A water-soluble or water-dispersible binder based on polybutadienes which is modified with at least 5% by weight of maleic anhydride and wherein at least 30% of the anhydride groups are present as imide groups from reaction with an amino carboxylic acid.
    Type: Grant
    Filed: March 12, 1998
    Date of Patent: April 17, 2001
    Assignee: Huels Aktiengesellschaft
    Inventors: Wilfried Paulen, Rainer Elm, Werner Freitag, Martina Ortelt, Wolfgang Sasse, Karin Sokolowski