Patents by Inventor Lily W. Tai

Lily W. Tai 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).

  • Black iron oxide with improved heat stability and method of preparing same
    Patent number: 6179907
    Abstract: A process of using silicate and alkylphenol to surface-modify black iron oxide. The modified pigment shows superior heat stability. The process may be applied on a native slurry, hence providing a simple, economical and non-invasive method to modify black iron oxide on an industrial scale. The resultant black iron oxide may be used in lieu of mixed metal oxide in the majority of thermal applications.
    Type: Grant
    Filed: May 29, 1998
    Date of Patent: January 30, 2001
    Assignee: Marconi Data Systems Inc.
    Inventors: Wing Sum Vincent Kwan, Lily W. Tai