Patents by Inventor Jianchao XIE

Jianchao XIE 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).

  • A MEMBRANE-BASED METHOD FOR DECOLORIZING VEGETABLE WAX
    Publication number: 20210363463
    Abstract: In the method for decolorizing a vegetable wax, a vegetable wax raw material dissolved in an organic solvent is contacted under pressure with a nanofiltration membrane having a higher rejection for a pigment, contained in the vegetable wax raw material, than for the wax components, providing a permeate containing decolorized wax and enriching the pigment in the retentate.
    Type: Application
    Filed: November 12, 2018
    Publication date: November 25, 2021
    Applicant: EVONIK SPECIALTY CHEMICALS (SHANGHAI) CO., LTD.
    Inventors: Jianchao XIE, Hongxi ZHANG