Patents by Inventor Ou HAI

Ou HAI 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: 11629144
    Abstract: Disclosed in the present invention are a crystal form of monomethanesulfonate of a deuterated 3-(4,5-substituted aminopyrimidine)phenyl compound as represented by formula I, and a preparation method therefor. The crystal form is highly stable, can be used for treatment or prevention of diseases or conditions by means of epidermal growth factor receptors (EGFRs) in some mutation forms, can effectively inhibit the growth of a variety of tumor cells, and have an inhibiting effect on other proteases of EGFR and Her families, and thus can be used for preparing antitumor drugs.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: April 18, 2023
    Assignee: NANJING CHUANGTE PHARMACEUTICAL TECHNOLOGY CO., LTD
    Inventors: Yongqiang Zhu, Yang Yang, Ou Hai, Zhaogang Liu, Chao Feng
  • Publication number: 20210053971
    Abstract: Disclosed in the present invention are a crystal form of monomethanesulfonate of a deuterated 3-(4,5-substituted aminopyrimidine)phenyl compound as represented by formula I, and a preparation method therefor. The crystal form is highly stable, can be used for treatment or prevention of diseases or conditions by means of epidermal growth factor receptors (EGFRs) in some mutation forms, can effectively inhibit the growth of a variety of tumor cells, and have an inhibiting effect on other proteases of EGFR and Her families, and thus can be used for preparing antitumor drugs.
    Type: Application
    Filed: March 15, 2019
    Publication date: February 25, 2021
    Applicant: NANJING CAREPHAR SHENGHUI PHARMACEUTICAL CO., LTD.
    Inventors: Yongqiang ZHU, Yang YANG, Ou HAI, Zhaogang LIU, Chao FENG