Patents by Inventor Chunxiang Huang

Chunxiang Huang 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: 20230416234
    Abstract: The present invention relates to a new crystal form of Resmetirom (referred to as “Compound I”) and a preparation method therefor, a pharmaceutical composition comprising the crystal form, and a use of the crystal form in preparing a THR-? selective agonist drug and a drug for treating NASH and HeFH. Compared with the prior art, the provided crystal form of the compound I has one or more improved properties, solves problems existing in the prior art, and has a great value for the optimization and development of drugs containing the compound I.
    Type: Application
    Filed: August 30, 2021
    Publication date: December 28, 2023
    Applicant: CRYSTAL PHARMACEUTICAL (SUZHOU) CO., LTD.
    Inventors: Minhua CHEN, Chunxiang HUANG
  • Publication number: 20220267326
    Abstract: A crystalline form of valbenazine ditosylate, processes for preparation thereof, a pharmaceutical composition containing the crystalline form, use of the crystalline form for preparing vesicular monoamine transporter 2 inhibitor drugs, and use of the crystalline form for preparing drugs treating tardive dyskinesia.
    Type: Application
    Filed: May 6, 2022
    Publication date: August 25, 2022
    Applicant: CRYSTAL PHARMACEUTICAL (SUZHOU) CO., LTD.
    Inventors: Minhua CHEN, Yanfeng ZHANG, Chaohui YANG, Chunxiang HUANG
  • Patent number: 11339158
    Abstract: A crystalline form of valbenazine ditosylate, processes for preparation thereof, a pharmaceutical composition containing the crystalline form, use of the crystalline form for preparing vesicular monoamine transporter 2 inhibitor drugs, and use of the crystalline form for preparing drugs treating tardive dyskinesia.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: May 24, 2022
    Assignee: Crystal Pharmaceutical (Suzhou) Co., Ltd.
    Inventors: Minhua Chen, Yanfeng Zhang, Chaohui Yang, Chunxiang Huang
  • Patent number: 11136347
    Abstract: The present disclosure relates to novel crystalline forms of compound (I) and processes for preparation and use thereof. Crystalline forms CS3, CS2, CS5 and CS8 of compound (I) of the present disclosure have advantages in at least one aspect of solubility, stability, melting point, hygroscopicity, particle size, bioavailability, processability, purification effect, flowability, adhesiveness, stability in drug product, in vitro and in vivo dissolution, etc., which provides new and better choices for preparation of drug product containing compound (I) and has significant values for future drug development.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: October 5, 2021
    Assignee: Crystal Pharmaceutical (Suzhou) Co., Ltd.
    Inventors: Minhua Chen, Yanfeng Zhang, Chunxiang Huang, Xiaoyu Zhang
  • Publication number: 20210147471
    Abstract: The present disclosure relates to novel crystalline forms of compound (I) and processes for preparation and use thereof. Crystalline forms CS3, CS2, CS5 and CS8 of compound (I) of the present disclosure have advantages in at least one aspect of solubility, stability, melting point, hygroscopicity, particle size, bioavailability, processability, purification effect, flowability, adhesiveness, stability in drug product, in vitro and in vivo dissolution, etc., which provides new and better choices for preparation of drug product containing compound (I) and has significant values for future drug development.
    Type: Application
    Filed: May 21, 2018
    Publication date: May 20, 2021
    Inventors: Minhua Chen, Yanfeng Zhang, Chunxiang Huang, Xiaoyu Zhang
  • Publication number: 20210078993
    Abstract: A crystalline form of valbenazine ditosylate, processes for preparation thereof, a pharmaceutical composition containing the crystalline form, use of the crystalline form for preparing vesicular monoamine transporter 2 inhibitor drugs, and use of the crystalline form for preparing drugs treating tardive dyskinesia.
    Type: Application
    Filed: December 26, 2018
    Publication date: March 18, 2021
    Inventors: Minhua Chen, Yanfeng Zhang, Chaohui Yang, Chunxiang Huang
  • Patent number: 10815232
    Abstract: The present disclosure relates to novel crystalline forms of VX-787, processes for preparation thereof and use thereof. VX-787 is a viral-protein inhibitor drug. The present disclosure provides crystalline form CS1, crystalline form CS2, crystalline form CS3, and crystalline form CS4 of compound (I) hydrochloride. The present disclosure also provides crystalline form CS3 and crystalline form CS9 of compound (I).free form.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: October 27, 2020
    Assignee: Crystal Pharmaceutical (Suzhou) Co., Ltd.
    Inventors: Minhua Chen, Yanfeng Zhang, Lie Chen, Chaohui Yang, Nan Xia, Xiaoyu Zhang, Chunxiang Huang
  • Patent number: 10759779
    Abstract: The present disclosure provides a novel crystalline form of Lemborexant and processes for preparation thereof. Pharmaceutical composition containing Lemborexant, and use of Lemborexant for preparing orexin receptor antagonist drug, and use of Lemborexant for preparing drugs treating insomnia and irregular sleep-wake rhythm disorder are also provided. The crystalline form of the present disclosure have one or more improved properties compared with crystalline forms of prior arts, and has significant values for future drug optimization and development.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: September 1, 2020
    Assignee: Crystal Pharmaceutical (Suzhou) Co., Ltd.
    Inventors: Minhua Chen, Yanfeng Zhang, Chunxiang Huang, Xiaoyu Zhang
  • Publication number: 20200190060
    Abstract: The present disclosure provides a novel crystalline form of Lemborexant and processes for preparation thereof. Pharmaceutical composition containing Lemborexant, and use of Lemborexant for preparing orexin receptor antagonist drug, and use of Lemborexant for preparing drugs treating insomnia and irregular sleep-wake rhythm disorder are also provided. The crystalline form of the present disclosure have one or more improved properties compared with crystalline forms of prior arts, and has significant values for future drug optimization and development.
    Type: Application
    Filed: January 30, 2020
    Publication date: June 18, 2020
    Inventors: Minhua Chen, Yanfeng Zhang, Chunxiang Huang, Xiaoyu Zhang
  • Publication number: 20190352303
    Abstract: The present disclosure relates to novel crystalline forms of VX-787, processes for preparation thereof and use thereof. VX-787 is a viral-protein inhibitor drug. The present disclosure provides crystalline form CS1, crystalline form CS2, crystalline form CS3, and crystalline form CS4 of compound (I) hydrochloride. The present disclosure also provides crystalline form CS3 and crystalline form CS9 of compound (I).free form.
    Type: Application
    Filed: January 24, 2018
    Publication date: November 21, 2019
    Inventors: Minhua Chen, Yanfeng Zhang, Lie Chen, Chaohui Yang, Nan Xia, Xiaoyu Zhang, Chunxiang Huang