Patents by Inventor Qiangqiang DU

Qiangqiang DU 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).

  • Processes to produce acalabrutinib
    Patent number: 11161851
    Abstract: The present invention relates to a method for preparing the compound of formula IV, compound of formula XI, and acalabrutinib, a new generation of bruton tyrosine kinase (BTK) inhibitor.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: November 2, 2021
    Assignee: Suzhou PengXu Pharmatech Co. Ltd.
    Inventors: Peng Wang, Pixu Li, Xiangyong Gu, Yadong Ge, Zhong Wang, Feng Gao, Qiangqiang Du
  • PROCESSES TO PRODUCE ACALABRUTINIB
    Publication number: 20200354368
    Abstract: The present invention relates to a method for preparing the compound of formula IV, compound of formula XI, and acalabrutinib, a new generation of bruton tyrosine kinase (BTK) inhibitor.
    Type: Application
    Filed: November 5, 2018
    Publication date: November 12, 2020
    Applicant: SUZHOU PENGXU PHARMATECH CO., LTD.
    Inventors: Peng WANG, Pixu LI, Xiangyong GU, Yadong GE, Zhong WANG, Feng GAO, Qiangqiang DU