Patents by Inventor Shugian Xu

Shugian Xu 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).

  • Polyalkylene block copolymers as surface modifiers for nanoparticles
    Patent number: 5565188
    Abstract: There is disclosed a composition containing nanoparticles having a surface modifier wherein the surface modifier is a block copolymer containing one or more polyoxyethylene blocks and one or more polyoxy(higher alkylene) blocks wherein at least some of the blocks are linked together by a linking group characterized in that the linking group is an oxymethylene group.
    Type: Grant
    Filed: February 24, 1995
    Date of Patent: October 15, 1996
    Assignee: NanoSystems L.L.C.
    Inventors: Sui-Ming Wong, Eugene R. Cooper, Shugian Xu