Patents by Inventor Peipei Yu

Peipei Yu 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).

  • Chitooligosaccharide-N-geraniol derivatives, methods for preparing and application thereof
    Patent number: 11084841
    Abstract: The present invention provides a chitooligosaccharide-N-geraniol derivative and a preparation method and application thereof. The degree of substitution of a chitooligosaccharide-N-geraniol derivative is from 0.26 to 0.283. The method includes dissolving oligosaccharide in dimethyl sulfoxide, dissolving geranyl bromide in dimethylformamide, and then mixing, performing a water bath reaction and adding acetone in after the water bath reaction, performing a centrifugation and collecting precipitates, performing Soxhlet extraction and vacuum drying to obtain the chitooligosaccharide-N-geraniol derivative. The present invention has the advantages of easy preparation method, low cost, simple purification method and stable properties. The chitooligosaccharide derivative has good water solubility, antibacterial activity against Staphylococcus aureus, Escherichia coli and other bacteria, and has good application prospect in the fields of medicine, food, cosmetics, agriculture, etc.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: August 10, 2021
    Assignee: Jiangnan University
    Inventors: Lin Yue, Ran Bi, Dan Sun, Qixing Jiang, Bin Wang, Xiaoli Liu, Peipei Yu, Zhouping Wang, Wenshui Xia