Patents by Inventor Yashan GUO

Yashan GUO 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 PREPARING NATURAL VANILLIN VIA BIOOXIDATION 4-METHYLGUAIACOL
    Publication number: 20220127647
    Abstract: A method for preparing natural vanillin via biooxidation of 4-methylguaiacol comprises (1) activating a strain and preparing a seed culture; (2) fermenting; (3) bioconversion; (4) adsorbing and eluting; and (5) concentrating and crystallizing.
    Type: Application
    Filed: October 22, 2021
    Publication date: April 28, 2022
    Inventors: Shichao ZENG, Xiaolan ZHAO, Yashan GUO, Xiaohui LIN, Haifang CAI, Chaoxia LIU, Chenguang XING, Gang LIU