Patents by Inventor Hsing Yu Chang

Hsing Yu Chang 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).

  • Patent number: 10934315
    Abstract: The present disclosure provides a process for preparing Bortezomib, intermediates, and crystalline forms thereof.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: March 2, 2021
    Assignee: PHARMACORE BIOTECH CO., LTD.
    Inventors: Wei-Hong Tseng, Vallapa Soong, Hsing Yu Chang, Shen Han Yang
  • Publication number: 20200140464
    Abstract: The present disclosure provides a process for preparing Bortezomib, intermediates, and crystalline forms thereof.
    Type: Application
    Filed: November 1, 2018
    Publication date: May 7, 2020
    Inventors: Wei-Hong Tseng, Vallapa Soong, Hsing Yu Chang, Shen Han Yang
  • Patent number: 10479811
    Abstract: The present disclosure provides a process for preparing cyclophosphamide, intermediate, and the monohydrate thereof.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: November 19, 2019
    Assignee: PHARMACORE BIOTECH CO., LTD.
    Inventors: Wei-Hong Tseng, Vallapa Soong, Ko Hua Yu, Hsing Yu Chang, Chia-Yu Lin