Patents by Inventor Manying Wang

Manying Wang 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).

  • Chitosan oligosaccharide sulfate and preparation method thereof
    Patent number: 12679905
    Abstract: The present disclosure belongs to the field for preparation of chitosan oligosaccharide, and particularly relates to a chitosan oligosaccharide sulfate and a preparation method thereof. The method is as follows: adding an equal volume of 1.0%-2.0% by mass of potassium sulfate solution into 2.0%-4.0% by mass of chitosan oligosaccharide hydrochloride solution and evenly mixing to obtain a mixed solution, allowing a molar ratio of amino to sulfate ions in the mixed solution to be 2:1, then adding absolute ethyl alcohol to obtain a chitosan oligosaccharide sulfate suspension, standing, filtering, collecting precipitates, washing, drying and smashing to finally obtain the chitosan oligosaccharide sulfate.
    Type: Grant
    Filed: August 15, 2024
    Date of Patent: July 14, 2026
    Assignee: Jiangxi Normal University
    Inventors: Qinghui You, Manying Wang
  • CHITOSAN OLIGOSACCHARIDE SULFATE AND PREPARATION METHOD THEREOF
    Publication number: 20260152579
    Abstract: The present disclosure belongs to the field for preparation of chitosan oligosaccharide, and particularly relates to a chitosan oligosaccharide sulfate and a preparation method thereof. The method is as follows: adding an equal volume of 1.0%-2.0% by mass of potassium sulfate solution into 2.0%-4.0% by mass of chitosan oligosaccharide hydrochloride solution and evenly mixing to obtain a mixed solution, allowing a molar ratio of amino to sulfate ions in the mixed solution to be 2:1, then adding absolute ethyl alcohol to obtain a chitosan oligosaccharide sulfate suspension, standing, filtering, collecting precipitates, washing, drying and smashing to finally obtain the chitosan oligosaccharide sulfate.
    Type: Application
    Filed: August 15, 2024
    Publication date: June 4, 2026
    Inventors: Qinghui You, Manying Wang