Patents by Inventor Jiude Sun

Jiude Sun 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).

  • Nintedanib diethanesulfonate salt crystal and preparation method and use thereof
    Patent number: 10292965
    Abstract: The present invention relates to a nintedanib diethanesulfonate salt A-type crystal represented by formula (II), and also relates to a crystalline composition and pharmaceutical composition comprising the crystal, and preparation method and use thereof. An X-ray powder diffraction spectrum of the nintedanib diethanesulfonate salt A-type crystal of the present invention has a diffraction peak at about 14.64, 18.79, 19.31, 20.11, 21.20, 22.45 and 26.71° when represented via a 2? value. The nintedanib diethanesulfonate salt A-type crystal of the present invention has a stable property, is non-hygroscopic and difficult to degrade, and is particularly suitable for medicine production.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: May 21, 2019
    Assignee: Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
    Inventors: Hubo Wang, Xueyan Zhu, Meng Guo, Mingtong Hu, Jiasong Zhang, Jiude Sun
  • NINTEDANIB DIETHANESULFONATE SALT CRYSTAL AND PREPARATION METHOD AND USE THEREOF
    Publication number: 20180064684
    Abstract: The present invention relates to a nintedanib diethanesulfonate salt A-type crystal represented by formula (II), and also relates to a crystalline composition and pharmaceutical composition comprising the crystal, and preparation method and use thereof. An X-ray powder diffraction spectrum of the nintedanib diethanesulfonate salt A-type crystal of the present invention has a diffraction peak at about 14.64, 18.79, 19.31, 20.11, 21.20, 22.45 and 26.71° when represented via a 2? value. The nintedanib diethanesulfonate salt A-type crystal of the present invention has a stable property, is non-hygroscopic and difficult to degrade, and is particularly suitable for medicine production.
    Type: Application
    Filed: March 11, 2016
    Publication date: March 8, 2018
    Applicant: Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
    Inventors: Hubo Wang, Xueyan Zhu, Meng Guo, Mingtong Hu, Jiasong Zhang, Jiude Sun