Patents by Inventor Jinyi Xu

Jinyi Xu 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).

  • Crystal forms of bedaquiline fumarate and preparation methods therefor
    Patent number: 10196360
    Abstract: Provided are crystal forms I, II, and III of bedaquiline fumarate, and preparation methods thereof. The crystal forms have high purity, excellent physicochemical properties, and good stability. The preparation methods can effectively improve the quality of products, and are applicable to preparation and mass production of medicines.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: February 5, 2019
    Assignee: Zhejiang Hisun Pharmaceutical Co., Ltd.
    Inventors: Jinyi Xu, Liang Zhang, Xiangyang Zhang, Xinzeng Wang, Jian Chai, Hongying Luo, Zhiqing Yang
  • CRYSTAL FORMS OF BEDAQUILINE FUMARATE AND PREPARATION METHODS THEREFOR
    Publication number: 20180265473
    Abstract: Provided are crystal forms I, II, and III of bedaquiline fumarate, and preparation methods thereof. The crystal forms have high purity, excellent physicochemical properties, and good stability. The preparation methods can effectively improve the quality of products, and are applicable to preparation and mass production of medicines.
    Type: Application
    Filed: October 20, 2015
    Publication date: September 20, 2018
    Applicant: Zhejiang Hisun Pharmaceutical Co., Ltd.
    Inventors: Jinyi Xu, Liang Zhang, Xiangyang Zhang, Xinzeng Wang, Jian Chai, Hongying Luo, Zhiqing Yang
  • Crystal form of dabigatran etexilate mesylate and preparation method and use thereof
    Patent number: 9718802
    Abstract: The present invention relates to novel crystal forms M and N of dabigatran etexilate mesylate and preparation method and uses thereof, wherein the X-Ray powder diffractogram of the crystal form M has characteristic peaks at the following 2? diffraction angles: 5.7±0.2°, 6.2±0.2°, 11.2±0.2°, 12.4±0.2°, 18.2±0.2°, 21.4±0.2°, 21.8±0.2° and 23.6±0.2°; and the X-Ray powder diffractogram of the crystal form N has characteristic peaks at the following 2? diffraction angles: 6.0±0.2°, 11.8±0.2°, 18.2±0.2°, 21.6±0.2°, 24.4±0.2°, 27.7±0.2° and 29.7±0.2°. The crystal forms of the present invention have excellent properties in the aspects of leaching time, biological release, chemical stability and processing adaptability.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: August 1, 2017
    Assignee: Zhejiang Hisun Pharmaceutical Co., Ltd.
    Inventors: Liang Zhang, Chuan Liu, Jinyi Xu, Zhaozhao Zhang, Zhi Chen, Jian Chai, Zhiqing Yang, Hairong Luo, Xiangyang Zhang
  • CRYSTAL FORM OF DABIGATRAN ETEXILATE MESYLATE AND PREPARATION METHOD AND USE THEREOF
    Publication number: 20170073327
    Abstract: The present invention relates to novel crystal forms M and N of dabigatran etexilate mesylate and preparation method and uses thereof, wherein the X-Ray powder diffractogram of the crystal form M has characteristic peaks at the following 2? diffraction angles: 5.7±0.2°, 6.2±0.2°, 11.2±0.2°, 12.4±0.2°, 18.2±0.2°, 21.4±0.2°, 21.8±0.2° and 23.6±0.2°; and the X-Ray powder diffractogram of the crystal form N has characteristic peaks at the following 20 diffraction angles: 6.0±0.2°, 11.8±0.2°, 18.2±0.2°, 21.6±0.2°, 24.4±0.2°, 27.7±0.2° and 29.7±0.2°. The crystal forms of the present invention have excellent properties in the aspects of leaching time, biological release, chemical stability and processing adaptability.
    Type: Application
    Filed: March 4, 2015
    Publication date: March 16, 2017
    Applicant: Zhejiang Hisun Pharmaceutical Co., Ltd.
    Inventors: Liang Zhang, Chuan Liu, Jinyi Xu, Zhaozhao Zhang, Zhi Chen, Jian Chai, Zhiqing Yang, Hairong Luo, Xiangyang Zhang