Patents by Inventor Dehua Ji

Dehua Ji 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).

  • Publication number: 20240115575
    Abstract: A pharmaceutical composition containing multi-target protein kinase inhibitor compounds, and the use thereof. The pharmaceutical composition contains compounds shown in formula II and formula A or formula B as active ingredients, and an excipient. The pharmaceutical composition has the characteristics of a simple preparation method, a smooth preparation process and suitability for industrial production. Moreover, an oral preparation prepared from the pharmaceutical composition, especially an oral solid preparation, has advantageous preparation properties such as dissolution rate and content uniformity, and excellent stability; and same is suitable for use and storage as a medicine.
    Type: Application
    Filed: December 30, 2021
    Publication date: April 11, 2024
    Inventors: Cuiyan Liu, Jing Bai, Shilong Wen, Na Liu, Cong Gu, Dehua Ji
  • Publication number: 20230144619
    Abstract: Provided in the present invention are a salt of an arylaminopurine derivative represented by Formula (2), a preparation method therefor and the use thereof. The salt obtained in the present invention has good crystallinity and significantly improved solubility relative to that in the free form, and the preferred salt and crystal form have low hygroscopicity and can exist stably. Therefore, compared with the free form of arylaminopurine derivatives or other salts, it is easier to prepare same into a medicine.
    Type: Application
    Filed: January 22, 2021
    Publication date: May 11, 2023
    Applicant: CSPC Zhongqi Pharmaceutical Technology (Shijiazhuang) Co., Ltd.
    Inventors: Dehua Ji, Shengyong Yang, Xiaofeng Guo, Chen Zhang, Linli Li, Yuxiu Ma, Xiaowei Sun, Qiaoli Cui, Feng Guo, Haohao Zhang