Patents by Inventor Qiaofen Hu

Qiaofen Hu 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).

  • Salts and crystal forms of diaza-benzofluoranthrene compounds
    Patent number: 11124506
    Abstract: The present invention discloses to a hydrochloride salt, a citrate salt, a phosphate salt or a sulfate salt of compound 1, the crystal forms of the aforementioned salts, and a preparation method thereof. The present invention also relates their use in the preparation of a medicament for the treatment of cerebral apoplexy or epilepsy.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: September 21, 2021
    Assignee: HARBIN PHARMACEUTICAL GROUP CO., LTD. GENERAL PHARMACEUTICAL FACTORY
    Inventors: Qingqing Lu, Shenyi Shi, Tiezhong Bai, Shujie Yuan, Zhengwu Li, Qiaofen Hu, Yijie Cao, Jing Gao, Hui Ding, Jinhua Li, Guanghai Xu, Zheng Wang, Xin Jin
  • SALTS AND CRYSTAL FORMS OF DIAZA-BENZOFLUORANTHRENE COMPOUNDS
    Publication number: 20190169183
    Abstract: The present invention discloses to a hydrochloride salt, a citrate salt, a phosphate salt or a sulfate salt of compound 1, the crystal forms of the aforementioned salts, and a preparation method thereof. The present invention also relates their use in the preparation of a medicament for the treatment of cerebral apoplexy or epilepsy.
    Type: Application
    Filed: August 3, 2017
    Publication date: June 6, 2019
    Inventors: Qingqing Lu, Shenyi Shi, Tiezhong Bai, Shujie Yuan, Zhengwu Li, Qiaofen Hu, Yijie Cao, Jing Gao, Hui Ding, Jinhua Li, Guanghai Xu, Zheng Wang, Xin Jin