Patents Assigned to CRYSTAL PHARMACEUTICAL (SUZHOU) CO., LTD.
  • 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
  • Patent number: 10752595
    Abstract: The present disclosure relates to novel crystalline forms of a bromodomain protein inhibitor 2-[4-(2-hydroxyethoxy)-3,5-dimethylphenyl]-5,7-dimethoxyquinazolin-4(3H)-one and processes for preparation and use thereof, relating to pharmaceutical industry. Form CS2, Form CS8, Form CS13, Form CS20, Form CS1, Form CS7, Form CS9, Form CS11 and Form CS4 of the present disclosure can be used for preparing drugs treating cardiovascular, cholesterol or lipid-related disorders.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: August 25, 2020
    Assignee: CRYSTAL PHARMACEUTICAL (SUZHOU) CO., LTD.
    Inventors: Minhua Chen, Yanfeng Zhang, Xiaoting Zhai, Kaiqiang Yan, Xiaoyu Zhang
  • Publication number: 20200239450
    Abstract: The present disclosure relates to novel crystalline forms of an androgen receptor antagonist drug (ODM-201 represented by formula (I)), preparation method thereof and use thereof. The crystalline form B or the crystalline form C of ODM-201 provided by the present disclosure has low hygroscopicity, good stability, high solubility, excellent flowability, optimal particle size with uniform distribution, which provides a new choice for the preparation of drugs containing ODM-201 and is of great value for drug development.
    Type: Application
    Filed: August 25, 2017
    Publication date: July 30, 2020
    Applicant: CRYSTAL PHARMACEUTICAL (SUZHOU) CO., LTD.
    Inventors: Minhua CHEN, Yanfeng ZHANG, Kaiqiang YAN, Qiyue LIU, Xiaoyu ZHANG
  • Publication number: 20200216404
    Abstract: The present disclosure relates to novel crystalline forms of ozanimod and preparation method thereof. The provided crystalline forms of ozanimod comprise crystalline form CS9, crystalline form CS10 and crystalline form CS11, and can be used for treating autoimmune diseases, particularly used for preparing drugs for treating multiple sclerosis and ulcerative colitis. The crystalline forms of the present disclosure have one or more advantages in solubility, stability, hygroscopicity and processability and provide new and better choices for the preparation of ozanimod drug product, and are very valuable for drug development.
    Type: Application
    Filed: August 18, 2017
    Publication date: July 9, 2020
    Applicant: CRYSTAL PHARMACEUTICAL (SUZHOU) CO., LTD.
    Inventors: Minhua CHEN, Yanfeng ZHANG, Xiaoting ZHAI, Kaiqiang YAN, Chaohui YANG, Xiaoyu ZHANG
  • Patent number: 10703724
    Abstract: The present disclosure relates to novel crystalline forms of {[5-(3-chlorophenyl)-3-hydroxypyridine-2-carbonyl] amino} acetic acid and processes for preparation and uses thereof. Crystalline form CS1, form CS2 and form CS8 of the present disclosure can be used for preparing drugs treating anemia, which providing new choices for preparing drugs of {[5-(3-chlorophenyl)-3-hydroxypyridine-2-carbonyl] amino} acetic acid, and having very important value for drug development.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: July 7, 2020
    Assignee: Crystal Pharmaceutical (Suzhou) Co., Ltd.
    Inventors: Minhua Chen, Yanfeng Zhang, Po Zou, Jinqiu Wang, Xiaoyu Zhang
  • Patent number: 10633376
    Abstract: The present disclosure relates to crystalline forms of JAK1-selective inhibitor, process for preparation and use for prevention and/or treatment of diseases associated with JAK family. The crystalline forms of the present disclosure show favorable properties such as simple preparation process, good stability, low hygroscopicity and good mechanical stability.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: April 28, 2020
    Assignee: Crystal Pharmaceutical (Suzhou) Co., Ltd.
    Inventors: Minhua Chen, Yanfeng Zhang, Cunbo Yang, Kai Liu, Xiaoyu Zhang
  • Patent number: 10626135
    Abstract: The present disclosure relates to novel crystalline forms of a sodium-glucose co-transporter inhibitor drug (Sotagliflozin), processes for preparation and use thereof. The present disclosure also relates to pharmaceutical composition comprises novel crystalline forms of Sotagliflozin and use of novel crystalline forms and pharmaceutical composition of Sotagliflozin for preparing drugs for treating diseases. The crystalline forms provided by the present disclosure have advantages of good stability, relatively low hygroscopicity, suitability for process development and post-treatment, simple processes for preparation, low cost, and has significant value for future drug optimization and development.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: April 21, 2020
    Assignee: Crystal Pharmaceutical (Suzhou) Co., Ltd.
    Inventors: Minhua Chen, Yanfeng Zhang, Po Zou, Kai Liu, Xiaoyu Zhang
  • Patent number: 10604528
    Abstract: The present disclosure relates to a novel crystalline form of Galunisertib, processes for preparation and use thereof. The present disclosure also relates to a pharmaceutical composition comprises the novel crystalline form of Galunisertib and use of the novel crystalline form of Galunisertib and pharmaceutical composition for preparing drugs treating disease. The crystalline form of the present disclosure has good stability, solubility and hygroscopicity, which has significant value for future drug optimization and development.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: March 31, 2020
    Assignee: Crystal Pharmaceutical (Suzhou) Co., Ltd.
    Inventors: Minhua Chen, Yanfeng Zhang, Yuhao Chen, Hui Gao, Fei Lu, Xiaoyu Zhang
  • Patent number: 10604521
    Abstract: The present disclosure relates to novel crystalline forms of PLX3397 hydrochloride and processes for preparation thereof. The crystalline forms of PLX3397 hydrochloride provided by the present disclosure have higher solubility, larger particle size which is favorable for separation in the subsequent production process, and good stability, especially mechanical stability. These novel crystalline forms of PLX3397 hydrochloride provide a better choice for PLX3397 drug products and are of great value for drug development.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: March 31, 2020
    Assignee: Crystal Pharmaceuticals (Suzhou) Co., Ltd.
    Inventors: Minhua Chen, Yanfeng Zhang, Po Zou, Xiaoyu Zhang
  • Patent number: 10577372
    Abstract: The present disclosure relates to a novel crystalline form of Galunisertib, processes for preparation and use thereof. The present disclosure also relates to a pharmaceutical composition comprises the novel crystalline form of Galunisertib and use of the novel crystalline form of Galunisertib and pharmaceutical composition for preparing drugs treating disease. The crystalline form of the present disclosure has good stability, solubility and hygroscopicity, which has significant value for future drug optimization and development.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: March 3, 2020
    Assignee: Crystal Pharmaceutical (Suzhou) Co., Ltd.
    Inventors: Minhua Chen, Yanfeng Zhang, Yuhao Chen, Hui Gao, Fei Lu, Xiaoyu Zhang
  • Publication number: 20190337908
    Abstract: The present disclosure is directed to novel crystalline forms of ozanimod and ozanimod hydrochloride, as well as preparation method thereof. Said crystalline forms of ozanimod and ozanimod hydrochloride can be used for treating autoimmune diseases, particularly used for preparing drugs for treating multiple sclerosis and ulcerative colitis. The crystalline forms of the present disclosure have one or more advantages in solubility, melting point, stability, dissolution, bioavailability and processability and provide new and better choices for the preparation of ozanimod drug product, and are very valuable for drug development.
    Type: Application
    Filed: June 14, 2017
    Publication date: November 7, 2019
    Applicant: CRYSTAL PHARMACEUTICAL (SUZHOU) CO., LTD.
    Inventors: Minhua CHEN, Yanfeng ZHANG, Xiaoting ZHAI, Kaiqiang YAN, Chaohui YANG, Xiaoyu ZHANG
  • Patent number: 10442800
    Abstract: The present disclosure relates to novel crystalline forms of NBI-98854 (as shown in formula I), preparation process and use thereof. The crystalline forms of NBI-98854 provided by the present disclosure, named as Form CS1 and Form CS2, can be used for preparing drug product treating tardive dyskinesia. The crystalline forms of NBI-98854 provided by the present disclosure have pharmaceutically acceptable solubility and hygroscopicity, good stability and are stable during storage, thereby avoiding changes in drug solubility, dissolution rate, bioavailability and efficacy due to polymorph transformation. This provides a new and better choice for the preparation of drug product containing NBI-98854, which has significant value for future drug development.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: October 15, 2019
    Assignee: Crystal Pharmaceutical (Suzhou) Co., Ltd.
    Inventors: Minhua Chen, Yanfeng Zhang, Po Zou, Kai Liu, Jinqiu Wang, Xiaoyu Zhang
  • Publication number: 20190248755
    Abstract: The present disclosure relates to crystalline form CS3 of ozanimod hydrochloride which can be used for treating autoimmune diseases, particularly used for preparing drugs for treating multiple sclerosis and ulcerative colitis and preparation method thereof.
    Type: Application
    Filed: September 14, 2017
    Publication date: August 15, 2019
    Applicant: Crystal Pharmaceutical (Suzhou) Co., Ltd.
    Inventors: Minhua CHEN, Yanfeng ZHANG, Xiaoting ZHAI, Kaiqiang YAN, Chaohui YANG, Xiaoyu ZHANG
  • Publication number: 20190241572
    Abstract: The present disclosure relates to a novel crystalline form of Galunisertib, processes for preparation and use thereof. The present disclosure also relates to a pharmaceutical composition comprises the novel crystalline form of Galunisertib and use of the novel crystalline form of Galunisertib and pharmaceutical composition for preparing drugs treating disease. The crystalline form of the present disclosure has good stability, solubility and hygroscopicity, which has significant value for future drug optimization and development.
    Type: Application
    Filed: July 21, 2017
    Publication date: August 8, 2019
    Applicants: Crystal Pharmaceutical (Suzhou) Co., Ltd., Crystal Pharmaceutical (Suzhou) Co., Ltd.
    Inventors: Minhua Chen, Yanfeng Zhang, Yuhao Chen, Hui Gao, Fei Lu, Xiaoyu Zhang
  • Publication number: 20190169219
    Abstract: The present disclosure relates to novel crystalline forms of a sodium-glucose co-transporter inhibitor drug (Sotagliflozin), processes for preparation and use thereof. The present disclosure also relates to pharmaceutical composition comprises novel crystalline forms of Sotagliflozin and use of novel crystalline forms and pharmaceutical composition of Sotagliflozin for preparing drugs for treating diseases. The crystalline forms provided by the present disclosure have advantages of good stability, relatively low hygroscopicity, suitability for process development and post-treatment, simple processes for preparation, low cost, and has significant value for future drug optimization and development.
    Type: Application
    Filed: May 25, 2017
    Publication date: June 6, 2019
    Applicant: CRYSTAL PHARMACEUTICAL (SUZHOU) CO., LTD.
    Inventors: Minhua CHEN, Yanfeng ZHANG, Po ZOU, Kai LIU, Xiaoyu ZHANG