Patents by Inventor J{umlaut over (u)}rgen Nieberle

J{umlaut over (u)}rgen Nieberle 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).

  • Agglomerated particles of water-swellable addition polymers, preparation thereof and use thereof
    Patent number: 6174946
    Abstract: Agglomerated particles of water-swellable addition polymers, the agglomerated particles having an average particle diameter of from 20 to 5000 &mgr;m and consisting of primary particles having an average particle diameter of from 0.
    Type: Grant
    Filed: August 22, 1997
    Date of Patent: January 16, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Martin R{umlaut over (u)}benacker, Reinhard Schneider, J{umlaut over (u)}rgen Nieberle, Harald Meyer, Heinrich Hartmann