Patents by Inventor Weisheng Liang

Weisheng Liang 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).

  • Method for controlling O-desulfation of heparin
    Patent number: 5808021
    Abstract: Methods of making and using, as prophylactics or therapeutics for preventing or treating certain diseases including cancer, O-desulfated heparin compositions, preferably 2-O, 3-O desulfated heparin compositions, wherein the methods permit regulating the degree of 2-O, 3-O desulfation to produce compositions that are variably desulfated upto about 99% and 75% desulfated at the 2-O and 3-O positions, respectively.
    Type: Grant
    Filed: April 10, 1997
    Date of Patent: September 15, 1998
    Assignee: Glycomed Incorporated
    Inventors: Kevin R. Holme, Weisheng Liang, David J. Tyrrell, Patrick N. Shaklee
  • Method for controlling O-desulfation of heparin and compositions produced thereby
    Patent number: 5696100
    Abstract: Methods of making and using, as prophylactics or therapeutics for preventing or treating certain diseases including cancer, O-desulfated heparin compositions, preferably 2-O, 3-O desulfated heparin compositions, wherein the methods permit regulating the degree of 2-O, 3-O desulfation to produce compositions that are variably desulfated upto about and 75% desulfated at the 2-O and 3-O positions, respectively.
    Type: Grant
    Filed: February 6, 1995
    Date of Patent: December 9, 1997
    Assignee: Glycomed Incorporated
    Inventors: Kevin R. Holme, Weisheng Liang, Patrick N. Shaklee
  • Sole
    Patent number: D1017209
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: March 12, 2024
    Inventor: Weisheng Liang
  • Slipper
    Patent number: D1062166
    Type: Grant
    Filed: April 20, 2023
    Date of Patent: February 18, 2025
    Inventor: Weisheng Liang