Patents by Inventor Yanfeng Zhang

Yanfeng Zhang 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: 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
  • Patent number: 10730854
    Abstract: Provided are compounds useful for treating of cancer and methods for treating of cancer, comprising administering to a subject in need thereof a compound described therein.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: August 4, 2020
    Assignee: Agios Pharmaceuticals, Inc.
    Inventors: Samuel V. Agresta, Chong-Hui Gu, David Schenkein, Hua Yang, Liting Guo, Zhen Tang, Jianming Wang, Yanfeng Zhang, Yan Zhou
  • Publication number: 20200239622
    Abstract: The present invention relates to polymers having dynamic urea bonds and more specifically to polymers having hindered urea bonds (HUBs). The present invention also relates to: (a) malleable, repairable, and reprogrammable shape memory polymers having HUBs, (b) reversible or degradable (e.g., via hydrolysis or aminolysis) linear, branched or network polymers having HUBs, and (c) to precursors for incorporation of HUBs into these polymers. The HUB technology can be applied to and integrated into a variety of polymers, such as polyureas, polyurethanes, polyesters, polyamides, polycarbonates, polyamines, and polysaccharides to make linear, branched, and cross-linked polymers. Polymers incorporating the HUBs can be used in a wide variety of applications including plastics, coatings, adhesives, biomedical applications, such as drug delivery systems and tissue engineering, environmentally compatible packaging materials, and 4D printing applications.
    Type: Application
    Filed: April 9, 2020
    Publication date: July 30, 2020
    Inventors: Jianjun Cheng, Hanze Ying, Yanfeng 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
  • Publication number: 20200216399
    Abstract: The present disclosure relates to crystalline form CS1 and CS9 of a hypoxia-inducible factor prolyl hydroxylase inhibitor compound (I) GSK1278863, processes for preparation, and uses for preparing drugs treating and/or preventing anemia thereof.
    Type: Application
    Filed: March 13, 2020
    Publication date: July 9, 2020
    Inventors: Minhua Chen, Yanfeng Zhang, Jinqiu Wang, 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
  • Publication number: 20200208625
    Abstract: Provided are an elastomeric-hose-compressing part, a cartridge, and a roller assembly for a pump head of a peristaltic pump, and a pump head for a peristaltic pump. The elastomeric-hose-compressing part includes a surface for compressing the elastomeric hose which has an arcuate shape along its length direction, wherein the surface for compressing the elastomeric hose is provided with flanges oppositely arranged on two side portions of the elastomeric-hose-compressing part in the width direction, the width direction of the elastomeric-hose-compressing part is perpendicular to the length direction, and the surface for compressing the elastomeric hose is formed by a continuous surface or by a plurality of surfaces sequentially arranged along the length direction.
    Type: Application
    Filed: December 6, 2019
    Publication date: July 2, 2020
    Inventors: Yanfeng ZHANG, Minghui ZHANG, Penghao LI
  • 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: 20200157065
    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: January 21, 2020
    Publication date: May 21, 2020
    Inventors: Minhua Chen, Xiaoyu Zhang, Yanfeng Zhang, Chaohui Yang, Xiaoting Zhai, Kaiqiang Yan
  • 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
  • Publication number: 20200127920
    Abstract: A path detection method and apparatus for forwarding at least two layers of labels includes generating, by a first network device, a first request packet used for path detection, where the first request packet includes a label stack and a time to live (TTL), and an initial quantity of layers of the label stack matches an initial value of the TTL, and sending the first request packet, where the first request packet instructs a second network device to send a first response packet to the first network device when the TTL is 0 after being reduced by 1, and the first response packet reaches the first network device through an internet protocol route.
    Type: Application
    Filed: December 18, 2019
    Publication date: April 23, 2020
    Inventors: Qing Miao, Yongkang Zhang, Ranxiao Zhao, Ting Hua, Yanfeng 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: 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: 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
  • Publication number: 20200095203
    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: Application
    Filed: December 13, 2017
    Publication date: March 26, 2020
    Inventors: Minhua Chen, Yanfeng Zhang, Po Zou, Jinqiu Wang, 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
  • Patent number: 10577334
    Abstract: The present disclosure relates to a novel crystalline form E of Tafamidis meglumine, process for preparation and use thereof. When compared with prior crystalline forms, the novel crystalline form of the present disclosure has the advantages of simple process and low hygroscopicity, which provides a new and better choice for the development of Tafamidis meglumine drug product and is of great significance.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: March 3, 2020
    Assignee: Crystal Pharmatech Co., Ltd.
    Inventors: Minhua Chen, Yanfeng Zhang, Jiaoyang Li, Xiaoyu Zhang
  • Patent number: 10562855
    Abstract: The present disclosure relates to a novel crystalline form of lenvatinib mesylate and the preparation method thereof. The novel crystalline form of mesylate of the present disclosure can be used for treating invasive and differentiated thyroid cancer. The novel crystalline form of mesylate of the present disclosure has good solubility, stability, and remarkable purification effect in process. The preparation method of this novel crystalline form is simple, low cost, and has an important value for future optimization and development of the drug.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: February 18, 2020
    Assignee: CRYSTAL PHARMATECH CO., LTD.
    Inventors: Minhua Chen, Yanfeng Zhang, Xiaojuan Diao, Xiaoyu Zhang
  • Patent number: 10544129
    Abstract: The present disclosure relates to two novel crystalline forms of AP26113 and processes for preparation thereof. The crystalline form CS1 and crystalline form CS2 of the present disclosure have advantages in solubility and stability, are suitable for development, and provide a better choice for preparation of pharmaceutical compositions containing AP26113, which is of great significance for drug development.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: January 28, 2020
    Assignee: Crystal Pharmatech Co., Ltd.
    Inventors: Minhua Chen, Yanfeng Zhang, Jinqiu Wang, Kai Liu, Xiaoyu Zhang