Patents by Inventor Gaofeng BIAN

Gaofeng BIAN 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).

  • METHODS FOR PREPARING SUBSTITUTED CHROMANONE DERIVATIVES
    Publication number: 20220324825
    Abstract: The present disclosure relates to a method for preparing a compound of formula (I). In the compound of formula (I), n may be 0 to 5 and each of R1, R2, R3, and R4 may be independently selected from the group consisting of H, —O-Alkyl, halo, alkyl, —CN, or —NO3.
    Type: Application
    Filed: June 17, 2022
    Publication date: October 13, 2022
    Applicant: HANGZHOU DUYI TECHNOLOGY CO. LTD.
    Inventors: Gaofeng BIAN, Zengying ZHENG
  • Methods for preparing substituted chromanone derivatives
    Patent number: 11377434
    Abstract: The present disclosure relates to a method for preparing a compound of formula (1). In the compound of formula (1), n may be 0 to 5 and each of R1, R2, R3, and R4 may be independently selected from the group consisting of H, —O-Alkyl, halo, alkyl, —CN, or —NO3.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: July 5, 2022
    Assignee: HANGZHOU DUYI TECHNOLOGY CO. LTD.
    Inventors: Gaofeng Bian, Zengying Zheng
  • METHODS FOR PREPARING SUBSTITUTED CHROMANONE DERIVATIVES
    Publication number: 20220024890
    Abstract: The present disclosure relates to a method for preparing a compound of formula (I). In the compound of formula (I), n may be 0 to 5 and each of R1, R2, R3, and R4 may be independently selected from the group consisting of H, —O-Alkyl, halo, alkyl, —CN, or —NO3.
    Type: Application
    Filed: May 20, 2021
    Publication date: January 27, 2022
    Applicant: HANGZHOU DUYI TECHNOLOGY CO. LTD.
    Inventors: Gaofeng BIAN, Zengying ZHENG