Patents Represented by Attorney Steven S. Grossman

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  • Toner formulations containing extra particulate additives
    Patent number: 7510812
    Abstract: The present invention relates to toner compositions containing extra particulate additives. The additives may include a mixture of silica particles having differing BET surface areas and may include an acicular inorganic oxide. The control of such additives may be relied upon to control toner performance with respect to functional performance considerations such as filming and/or overall print quality.
    Type: Grant
    Filed: March 28, 2006
    Date of Patent: March 31, 2009
    Assignee: Lexmark International, Inc.
    Inventors: John Earley, Rick Jones, George Marshall, John Olson