Patents by Inventor Shiow-Meei Lai

Shiow-Meei Lai 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).

  • Alkenyl succinic anhydride compositons and the use thereof
    Patent number: 6348132
    Abstract: Novel alkenyl succinic anhydride (ASA) compositions and the use thereof. The disclosed ASA compositions may be derived from maleic anhydride and olefins having desirable carbon chain lengths and double bond distributions. The present ASA compositions provide superior paper sizing properties.
    Type: Grant
    Filed: May 30, 2000
    Date of Patent: February 19, 2002
    Assignee: Hercules Incorporated
    Inventors: Jian Jian Zhang, Shiow-Meei Lai