Patents Represented by Attorney Joanno Mary Fobare Rossi

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  • Alkanolamine-stabilized dispersed rosin sizing agents and their preparation
    Patent number: 7854800
    Abstract: This invention teaches the stabilization a dispersion of rosin using an alkanolamine salt of the rosin. The stabilized dispersion is used as a sizing agent in papermaking processes.
    Type: Grant
    Filed: February 8, 2008
    Date of Patent: December 21, 2010
    Assignee: Hercules Incorporated
    Inventor: Susan M. Ehrhardt