Patents by Inventor Timothy Patrick McGinnis

Timothy Patrick McGinnis 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).

  • Use of alkenyl succinic anhydride compounds derived from symmetrical olefins in internal sizing for paper production
    Patent number: 7455751
    Abstract: A method of sizing paper for use in applications which require resistance to liquids comprising incorporating in the paper a size composition comprising one or more alkenyl succinic anhydride (ASA) compounds prepared from the reaction of maleic anhydride and one or more substantially symmetrical C20-C28 internal olefins.
    Type: Grant
    Filed: April 15, 2005
    Date of Patent: November 25, 2008
    Assignee: Nalco Company
    Inventors: William J. Ward, Krzysztof Andruszkiewicz, Ross T. Gray, Timothy Patrick McGinnis, Robert W. Novak