Patents by Inventor Qinglong Xu

Qinglong Xu 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).

  • SPIRO AROMATIC RING COMPOUND AND USE THEREOF
    Publication number: 20240116949
    Abstract: Provided is a compound of formula I or a pharmaceutically acceptable salt, enantiomer, diastereomer, tautomer, solvate, isotopic substituent, polymorph, prodrug, or metabolite thereof. Also provided is a method for preparing the compound of formula I. The compound of formula I has higher inhibitory activity against SHP2, and thus can be used to prevent or treat a disease related to SHP2.
    Type: Application
    Filed: May 11, 2023
    Publication date: April 11, 2024
    Inventors: Qiangang Zheng, Ming Xu, Qinglong Zeng, Jing Li, Hao Zhuge
  • STEAMED BUN QUALITY IMPROVING AGENT AND USE THEREOF
    Publication number: 20140037790
    Abstract: The present invention is intended to provide a quality improving agent useful for improving the quality of steamed buns, and a quality improving agent containing glucoamylase. The quality improving agent preferably has low protease activity.
    Type: Application
    Filed: February 20, 2012
    Publication date: February 6, 2014
    Applicant: AMANO ENZYME INC.
    Inventors: Qinglong Xu, Kimihiko Sato, Shotaro Yamaguchi