Patents Represented by Attorney Godfried R. Akrli

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  • Anionic functional promoter and charge control agent
    Patent number: 6939443
    Abstract: The invention relates to a functional promoter comprising a water-soluble anionic polymer having a molecular weight of at least about 50,000 daltons and a molecular weight charge index value of at least about 10,000, and a cationic strength component. The invention also relates to a paper product made with such a system, and method for imparting wet strength to a paper product with the functional promoter.
    Type: Grant
    Filed: June 19, 2002
    Date of Patent: September 6, 2005
    Assignee: Lanxess Corporation
    Inventors: Michael Ryan, William Brevard, Sr., David Dauplaise, Michael Lostocco, Robert Proverb, David Wesley Lipp