Patents by Inventor Yongqiang Liu

Yongqiang Liu 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: 20230133845
    Abstract: The invention provides novel heterocyclic compounds having the general formula (I), and pharmaceutically acceptable salts thereof, wherein X, D, R1 to R4, and R6 to R10 are as described herein. Further provided are pharmaceutical compositions including the compounds, processes of manufacturing the compounds and methods of using the compounds as medicaments, in particular methods of using the compounds as antibiotics for the treatment or prevention of bacterial infections and resulting diseases.
    Type: Application
    Filed: July 14, 2022
    Publication date: May 4, 2023
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Mathis BRAENDLIN, Sandra Marie Joseph GRALL-ULSEMER, Xingchun HAN, Christian LERNER, Mingming LI, Yongqiang LIU, Sébastien SCHMITT, Jianhua WANG, Yongguang WANG, Min WANG, Song YANG, Chengang ZHOU
  • Publication number: 20230124923
    Abstract: The present invention relates to the technical field of medicine and relates to an instant release pharmaceutical preparation of an anticoagulant and a preparation method therefor. The instant release pharmaceutical preparation of an anticoagulant comprises a vicagrel compound or a pharmaceutically acceptable form thereof, the preparation is a tablet or a capsule, the vicagrel or the pharmaceutically acceptable form thereof is provided at a suitable particle size, and the D90 thereof <50 ?m. With regard to the drug-containing particles obtained by the present invention, a pharmaceutical preparation formed therefrom exhibits rapid release characteristics in an in vitro dissolution test and exhibits considerable advantages in pharmacokinetics in vivo, showing a greater degree (AUC) and rate (Cmax) of drug absorption.
    Type: Application
    Filed: October 20, 2022
    Publication date: April 20, 2023
    Applicant: Jiangsu Vcare PharmaTech Co., Ltd.
    Inventors: Yanlei Zhao, Jianjun Zhang, Xuefang Liu, Yuan Gao, Hongbin Sun, Yanchun Gong, Yongqiang Liu
  • Patent number: 11597729
    Abstract: Disclosed in the present invention are a pyrazolo [1,5-a]pyrimidine derivative having a structure of formula (I), a pharmaceutical composition comprising the compound of formula (I), and use of the compound in the preparation of a medicament for preventing or treating diseases associated with tropomyosin receptor kinases, in particular for preventing or treating cancers associated with tropomyosin receptor kinases. Each substituent in formula (I) has the same definition as that in the description.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: March 7, 2023
    Assignee: JIANGSU VCARE PHARMATECH CO., LTD.
    Inventors: Yong Wu, Wenbin Zhou, Yanchun Gong, Yaoxiang Yue, Jie Deng, Yongqiang Liu
  • Publication number: 20220396565
    Abstract: Provided are novel heterocyclic compounds having the general formula (I), and pharmaceutically acceptable salts thereof, wherein R1 to R4, m, n, and p are as described herein. Further provided are pharmaceutical compositions including the compounds, processes of manufacturing the compounds and methods of using the compounds as medicaments, in particular methods of using the compounds as antibiotics for the treatment or prevention of bacterial infections and resulting diseases.
    Type: Application
    Filed: July 20, 2022
    Publication date: December 15, 2022
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Zhanling CHENG, Xingchun HAN, Christian KRAMER, Christian LERNER, Yongqiang LIU, Matthias NETTEKOVEN, Philippe PFLIEGER, Bernd PUELLMANN, Jianhua WANG, Lisha WANG, Min WANG, Yongguang WANG, Song YANG, Chengang ZHOU
  • Patent number: 11478432
    Abstract: The present invention relates to the technical field of medicine and relates to an instant release pharmaceutical preparation of an anticoagulant and a preparation method therefor. The instant release pharmaceutical preparation of an anticoagulant comprises a vicagrel compound or a pharmaceutically acceptable form thereof, the preparation is a tablet or a capsule, the vicagrel or the pharmaceutically acceptable form thereof is provided at a suitable particle size, and the D90 thereof <50 ?m. With regard to the drug-containing particles obtained by the present invention, a pharmaceutical preparation formed therefrom exhibits rapid release characteristics in an in vitro dissolution test and exhibits considerable advantages in pharmacokinetics in vivo, showing a greater degree (AUC) and rate (Cmax) of drug absorption.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: October 25, 2022
    Assignee: Jiangsu Vcare Pharma Tech Co., Ltd.
    Inventors: Yanlei Zhao, Jianjun Zhang, Xuefang Liu, Yuan Gao, Hongbin Sun, Yanchun Gong, Yongqiang Liu
  • Publication number: 20220177467
    Abstract: A 7-azaindole derivative having the structure of formula (I), a pharmaceutical composition containing the compound of formula (I), and uses of the compound in preparing a medicament for preventing or treating Janus kinase (JAK) family-related diseases, specifically, uses in preventing or treating inflammatory diseases related to protein tyrosine kinase.
    Type: Application
    Filed: January 19, 2020
    Publication date: June 9, 2022
    Inventors: Yong Wu, Yanchun Gong, Wenbin Zhou, Daan Qin, Ya Zhang, Yongqiang Liu
  • Publication number: 20210323981
    Abstract: The present invention relates to novel compounds of formula (I), wherein R1, R2, R3, R4, R5 and R6 are as described herein, and their pharmaceutically acceptable salt, enantiomer or diastereomer thereof, and compositions including the compounds and methods of using the compounds.
    Type: Application
    Filed: May 20, 2021
    Publication date: October 21, 2021
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Hong SHEN, Xuefei TAN, Chengang ZHOU, Mingwei ZHOU, Yimin HU, Houguang SHI, Fabian DEY, Yongqiang LIU, Xiao DING
  • Publication number: 20210317141
    Abstract: The present invention relates to novel compounds of formula (I), wherein R1 to R7 are as described herein, and their pharmaceutically acceptable salt, enantiomer or diastereomer thereof, and compositions including the compounds and methods of using the compounds.
    Type: Application
    Filed: June 17, 2021
    Publication date: October 14, 2021
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Fabian DEY, Xiao DING, Yimin HU, Yongqiang LIU, Hong SHEN, Honguang SHI, Xuefei TAN, Chengang ZHOU, Mingwei ZHOU
  • Publication number: 20210309657
    Abstract: The present invention relates to novel compounds of formula (I), wherein R1, R2, R3, R4, R5 and R6 are as described herein, and their prodrugs or pharmaceutically acceptable salt, enantiomer or diastereomer thereof, and compositions including the compounds and methods of using the compounds.
    Type: Application
    Filed: May 26, 2021
    Publication date: October 7, 2021
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Fabian DEY, Yimin HU, Yongqiang LIU, Hong SHEN, Houguang SHI, Xuefei TAN, Shixiang YAN, Weixing ZHANG, Zhiwei ZHANG, Chengang ZHOU, Mingwei ZHOU, Wei ZHU
  • Publication number: 20210309658
    Abstract: The present invention relates to novel compounds of formula (I), wherein R1, R2, R3, R4, R5 and R6 are as described herein, and their pharmaceutically acceptable salt, enantiomer or diastereomer thereof, and compositions including the compounds and methods of using the compounds.
    Type: Application
    Filed: May 26, 2021
    Publication date: October 7, 2021
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Fabian DEY, Yimin HU, Yongqiang LIU, Hong SHEN, Houguang SHI, Xuefei TAN, Shixiang YAN, Weixing ZHANG, Zhiwei ZHANG, Chengang ZHOU, Mingwei ZHOU, Wei ZHU
  • Publication number: 20210238197
    Abstract: The present invention relates to novel compounds of formula (I), wherein R1, R2, R3, R4, R5, R6 and R7 are as described herein, and their pharmaceutically acceptable salt, enantiomer or diastereomer thereof, and compositions including the compounds and methods of using the compounds.
    Type: Application
    Filed: November 25, 2020
    Publication date: August 5, 2021
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Fabian Dey, Xiao Ding, Yimin Hu, Yongqiang Liu, Hong Shen, Houguang Shi, Xuefei Tan, Chengang Zhou, Mingwei Zhou
  • Publication number: 20210221832
    Abstract: The present invention relates to novel compounds of formula (I) or (II), wherein R1 to R6, R11 to R17 are as described herein, and their pharmaceutically acceptable salt thereof, and compositions including the compounds and methods of using the compounds.
    Type: Application
    Filed: March 25, 2021
    Publication date: July 22, 2021
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Xiao DING, Yongqiang LIU, Hong SHEN, Houguang SHI, Xuefei TAN, Chengang ZHOU, Mingwei ZHOU
  • Publication number: 20210094953
    Abstract: Disclosed in the present invention are a pyrazolo [1,5-a]pyrimidine derivative having a structure of formula (I), a pharmaceutical composition comprising the compound of formula (I), and use of the compound in the preparation of a medicament for preventing or treating diseases associated with tropomyosin receptor kinases, in particular for preventing or treating cancers associated with tropomyosin receptor kinases. Each substituent in formula (I) has the same definition as that in the description.
    Type: Application
    Filed: June 6, 2019
    Publication date: April 1, 2021
    Inventors: Yong WU, Wenbin ZHOU, Yanchun GONG, Yaoxiang YUE, Jie DENG, Yongqiang LIU
  • Publication number: 20200397709
    Abstract: The present invention relates to the technical field of medicine and relates to an instant release pharmaceutical preparation of an anticoagulant and a preparation method therefor. The instant release pharmaceutical preparation of an anticoagulant comprises a vicagrel compound or a pharmaceutically acceptable form thereof, the preparation is a tablet or a capsule, the vicagrel or the pharmaceutically acceptable form thereof is provided at a suitable particle size, and the D90 thereof <50 ?m. With regard to the drug-containing particles obtained by the present invention, a pharmaceutical preparation formed therefrom exhibits rapid release characteristics in an in vitro dissolution test and exhibits considerable advantages in pharmacokinetics in vivo, showing a greater degree (AUC) and rate (Cmax) of drug absorption.
    Type: Application
    Filed: April 16, 2018
    Publication date: December 24, 2020
    Inventors: Yanlei Zhao, Jianjun Zhang, Xuefang Liu, Yuan Gao, Hongbin Sun, Yanchun Gong, Yongqiang Liu
  • Publication number: 20200339603
    Abstract: The present invention relates to novel compounds of formula (I), wherein R1, R2, R3, R4, R5 and R6 are as described herein, and their pharmaceutically acceptable salt, enantiomer or diastereomer thereof, and compositions including the compounds and methods of using the compounds.
    Type: Application
    Filed: April 29, 2020
    Publication date: October 29, 2020
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Yimin Hu, Chengang Zhou, Mingwei Zhou, Houguang Shi, Yongqiang Liu, Hong Shen, Maarten Vercruysse, Shixiang Yan, Xuefei Tan, Xianfeng Lin, Fabian Dey
  • Patent number: 10662203
    Abstract: The present invention relates to novel compounds of formula (I), wherein R1, R2, R3, R4, R5 and R6 are as described herein, and their pharmaceutically acceptable salt, enantiomer or diastereomer thereof, and compositions including the compounds and methods of using the compounds.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: May 26, 2020
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Yimin Hu, Chengang Zhou, Mingwei Zhou, Houguang Shi, Yongqiang Liu, Hong Shen, Maarten Vercruysse, Shixiang Yan, Xuefei Tan, Xianfeng Lin, Fabian Dey
  • Patent number: 10264013
    Abstract: Systems, methods, and machine-readable and executable instructions are provided for preventing a memory attack to a wireless access point (AP). Preventing a memory attack to a wireless access point can include receiving, with a wireless AP, a generic advertisement service (GAS) initial request from a querying station and transmitting, with the wireless AP, a GAS initial response to the querying station without querying an advertisement server based on the GAS initial request.
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: April 16, 2019
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Yongqiang Liu, Shijian Li, Jun Qing Xie, Xunteng Xu
  • Publication number: 20180327425
    Abstract: The present invention relates to novel compounds of formula (I), wherein R1, R2, R3, R4, R5 and R6 are as described herein, and their pharmaceutically acceptable salt, enantiomer or diastereomer thereof, and compositions including the compounds and methods of using the compounds.
    Type: Application
    Filed: March 30, 2018
    Publication date: November 15, 2018
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Yimin Hu, Chengang Zhou, Mingwei Zhou, Houguang Shi, Yongqiang Liu, Hong Shen, Maarten Vercruysse, Shixiang Yan, Xuefei Tan, Xianfeng Lin, Fabian Dey
  • Patent number: D913857
    Type: Grant
    Filed: November 30, 2019
    Date of Patent: March 23, 2021
    Assignee: Hebei Kaiyun Motors Co., Ltd.
    Inventors: Chao Wang, Kun Lang, Lei Cao, Yongqiang Liu
  • Patent number: D913858
    Type: Grant
    Filed: November 30, 2019
    Date of Patent: March 23, 2021
    Assignee: Hebei Kaiyun Motors Co., Ltd.
    Inventors: Chao Wang, Kun Lang, Lei Cao, Yongqiang Liu