Patents by Inventor Zhi-Guo Su

Zhi-Guo Su 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).

  • Preparation of polysaccharide beads
    Patent number: 8137563
    Abstract: The present invention relates a method of preparing agarose beads, which method results in a population of beads which are of relatively uniform particle size. In an advantageous embodiment, the beads are of a particle size less than 10 ?m, and the coefficient of variation C.V. of the population is less than 15%. The beads according to the invention are advantageously used in biological separation methods, such as in the production of chromatographic packing materials; drug carriers; or in any method of biological engineering.
    Type: Grant
    Filed: April 21, 2008
    Date of Patent: March 20, 2012
    Assignee: GE Healthcare Bio-Sciences AB
    Inventors: Guang-Hui Ma, Zhi-Guo Su, Qing-Zhu Zhou
  • PREPARATION OF POLYSACCHARIDE BEADS
    Publication number: 20100084328
    Abstract: The present invention relates a method of preparing agarose beads, which method results in a population of beads which are of relatively uniform particle size. In an advantageous embodiment, the beads are of a particle size less than 10 ?m, and the coefficient of variation C.V. of the population is less than 15%. The beads according to the invention are advantageously used in biological separation methods, such as in the production of chromatographic packing materials; drug carriers; or in any method of biological engineering.
    Type: Application
    Filed: April 21, 2008
    Publication date: April 8, 2010
    Inventors: Guang-Hui Ma, Zhi-Guo Su, Qing-Zhu Zhou