Patents by Inventor Zhibing Hu

Zhibing Hu 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).

  • Synthesis and use of heterogeneous polymer gels
    Patent number: 5976648
    Abstract: Disclosed is a heterogeneous polymer gel comprising at least two gel networks. One embodiment of the present invention concerns a heterogeneous polymer gel comprising a first gel network comprising an environmentally-stable gel and a second gel network comprising an environmentally-unstable gel wherein the first gel network interpenetrates the second gel network. The heterogeneous polymer gel exhibits controlled changes in volume in response to environmental changes in condition, such as of temperature or of chemical composition.
    Type: Grant
    Filed: December 13, 1996
    Date of Patent: November 2, 1999
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Yong Li, Zhibing Hu, Xiaomin Zhang