Patents by Inventor Joerg Issberner

Joerg Issberner 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).

  • Cationic polymer dispersions, method for producing said dispersions and use thereof
    Patent number: 8822586
    Abstract: The invention relates to water-in-water polymer dispersions containing a polymer A with a cationic monomer fraction of up to 60 wt. % and at least one polymer dispersant B, based on cationised dialkylaminoalkyl (meth)acrylamides with an average molecular weight of between 75,000 and 350,000 g/mol. The invention also relates to a method for producing said dispersions and to the use of the latter.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: September 2, 2014
    Assignee: Hercules Incorporated
    Inventors: Susanne Bellmann, Norbert Steiner, Joerg Issberner, Christian Boekelo
  • Copolymers for avoiding deposits in water supply systems, production and use thereof
    Patent number: 7547753
    Abstract: The invention relates to copolymers made from monoethylenically unsaturated monomers with acid groups and a further hydrophobic monomer component for the prevention of inorganic and organic deposits in water supply systems. The invention further relates to a method for production of the above.
    Type: Grant
    Filed: June 14, 2003
    Date of Patent: June 16, 2009
    Assignee: Ashland Licensing and Intellectual Property LLC
    Inventors: Joerg Issberner, Rainer Poeschmann, Christian Flocken
  • Copolymers for avoiding deposits in water supply systems, production and use thereof
    Publication number: 20060100406
    Abstract: The invention relates to copolymers made from monoethylenically unsaturated monomers with acid groups and a further hydrophobic monomer component for the prevention of inorganic and organic deposits in water supply systems. The invention further relates to a method for production of the above.
    Type: Application
    Filed: June 14, 2003
    Publication date: May 11, 2006
    Applicant: STOCKHAUSEN GMBH
    Inventors: Joerg Issberner, Rainer Poeschmann, Christian Flocken