Patents by Inventor William J. Mui

William J. Mui 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).

  • Modified polysaccharides having improved absorbent properties and process for the preparation thereof
    Patent number: 5550189
    Abstract: Disclosed is a method for producing a water-swellable, generally water-insoluble modified polysaccharide having improved age-stable absorption properties. The method involves forming a mixture of a modified polysaccharide, water, and, optionally, a crosslinking agent, recovering the modified polysaccharide from the mixture and, optionally, heat-treating said recovered modified polysaccharide.
    Type: Grant
    Filed: October 29, 1993
    Date of Patent: August 27, 1996
    Assignee: Kimberly-Clark Corporation
    Inventors: Jian Qin, James R. Gross, William J. Mui, Xin Ning, Wen Z. Schroeder, Tong Sun