Patents by Inventor Yoon Soo Song

Yoon Soo Song 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).

  • Graft functionalized olefin polymer dispersant and uses thereof
    Patent number: 7700684
    Abstract: A novel highly grafted, functionalized olefin polymer is provided comprising the reaction product of a method comprising reacting an acylating agent with a mixture comprising an olefin polymer having a number average molecular weight of between about 5,000 to about 100,000 and a diluent in the presence of a free radical initiator to provide an acylated olefin polymer which is further reacted with a polyamine to provide the grafted functionalized olefin polymer dispersant. Lubricating oil concentrates and compositions containing the highly grafted, functionalized olefin polymer and uses thereof also are provided.
    Type: Grant
    Filed: December 9, 2004
    Date of Patent: April 20, 2010
    Assignee: Afton Chemical Corporation
    Inventors: Joseph S. Bradley, Michael A. Danylo, Yoon Soo Song, Anthony F. Fagan