Patents by Inventor Kunmin LAI

Kunmin LAI 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).

  • Process for preparing 1-isobutyryl-1?-((1-(4,4,4-trifluorobutyl)-4,5,6,7-tetrahydro-1H-benzo[D]imidazol-2-yl)methyl)spiro[azetidine-3,3?-indolin]-2?-one
    Patent number: 10858322
    Abstract: Disclosed are a method for preparing an imidazole derivative and crystal form A and crystal form B thereof, and also disclosed is a method for preparing a compound of formula (I) and an intermediate thereof.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: December 8, 2020
    Assignee: SHANDONG DANHONG PHARMACEUTICAL CO., LTD.
    Inventors: Weihua Shi, Feng Xu, Zheng Wang, Weidong Li, Linghui Wu, Hongwei Li, Minggao Zeng, Kunmin Lai, Zhigan Jiang, Haiying He
  • Modified compound of andrographolide
    Patent number: 10717720
    Abstract: The present disclosure discloses a modified compound of andrographolide, and particularly discloses a compound shown in formula (I) and (II) or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: July 21, 2020
    Assignees: Heilongjiang Zhenbaodao Pharmaceutical Co., Ltd., Medshine Discovery Inc.
    Inventors: Haiying He, Zhigan Jiang, Jianhua Xia, Jing Wang, Lixia Han, Lihong Lan, Hui Zhou, Kunmin Lai, Shuhui Chen
  • PROCESS FOR PREPARING 1-ISOBUTYRYL-1'-((1-(4,4,4-TRIFLUORO-BUTYL)-4,5,6,7- TETRAHYDRO-1H-BENZO[D]IMIDAZOL-2-YL)METHYL)SPIRO[AZETIDINE-3,3'-INDOLIN]-2'-ONE
    Publication number: 20200223802
    Abstract: Disclosed are a method for preparing an imidazole derivative and crystal form A and crystal form B thereof, and also disclosed is a method for preparing a compound of formula (I) and an intermediate thereof.
    Type: Application
    Filed: March 20, 2020
    Publication date: July 16, 2020
    Applicant: SHANDONG DANHONG PHARMACEUTICAL CO., LTD.
    Inventors: Weihua SHI, Feng XU, Zheng WANG, Weidong LI, Linghui WU, Hongwei LI, Minggao ZENG, Kunmin LAI, Zhigan JIANG, Haiying HE
  • Crystal form B of 1-isobutyryl-1?-((1-(4,4,4-trifluorobutyl)-4,5,6,7-tetrahydro-1H-benzo[d]imidazol-2-yl)methyl)spiro[azetidine-3,3?-indolin]-2?-one
    Patent number: 10633347
    Abstract: Disclosed are a method for preparing an imidazole derivative and crystal form A and crystal form B thereof, and also disclosed is a method for preparing a compound of formula (I) and an intermediate thereof.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: April 28, 2020
    Assignee: SHANDONG DANHONG PHARMACEUTICAL CO., LTD.
    Inventors: Weihua Shi, Feng Xu, Zheng Wang, Weidong Li, Linghui Wu, Hongwei Li, Minggao Zeng, Kunmin Lai, Zhigan Jiang, Haiying He
  • CRYSTAL FORM A OF 1-ISOBUTYRYL-1'-((1-(4,4,4-TRIFLUOROBUTYL)-4,5,6,7-TETRAHYDRO-1H-BENZO[D]IMIDAZOL-2-YL)METHYL)SPIRO[AZETIDINE-3,3'-INDOLIN]-2'-ONE
    Publication number: 20190218189
    Abstract: Disclosed are a method for preparing an imidazole derivative and crystal form A and crystal form B thereof, and also disclosed is a method for preparing a compound of formula (I) and an intermediate thereof.
    Type: Application
    Filed: January 8, 2019
    Publication date: July 18, 2019
    Applicant: SHANDONG DANHONG PHARMACEUTICAL CO., LTD.
    Inventors: Weihua SHI, Feng XU, Zheng WANG, Weidong LI, Linghui WU, Hongwei LI, Minggao ZENG, Kunmin LAI, Zhigan JIANG, Haiying HE
  • Crystal form A of 1-isobutyryl-1?-((1-(4,4,4-trifluorobutyl)-4,5,6,7-tetrahydro-1H-benzo [d]imidazol-2-yl)methyl)spiro[azetidine-3,3?-indolin]-2?-one
    Patent number: 10227309
    Abstract: Disclosed are a method for preparing an imidazole derivative and crystal form A and crystal form B thereof, and also disclosed is a method for preparing a compound of formula (I) and an intermediate thereof.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: March 12, 2019
    Assignee: SHANDONG DANHONG PHARMACEUTICAL CO., LTD.
    Inventors: Weihua Shi, Feng Xu, Zheng Wang, Weidong Li, Linghui Wu, Hongwei Li, Minggao Zeng, Kunmin Lai, Zhigan Jiang, Haiying He
  • MODIFIED COMPOUND OF ANDROGRAPHOLIDE
    Publication number: 20180346438
    Abstract: The present disclosure discloses a modified compound of andrographolide, and particularly discloses a compound shown in formula (I) and (II) or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: November 22, 2016
    Publication date: December 6, 2018
    Inventors: Haiying HE, Zhigan JIANG, Jianhua XIA, Jing WANG, Lixia HAN, Lihong LAN, Hui ZHOU, Kunmin LAI, Shuhui CHEN
  • METHOD FOR PREPARING IMIDAZOLE DERIVATIVE AND INTERMEDIATE THEREOF AND CRYSTAL FORM
    Publication number: 20180141915
    Abstract: Disclosed are a method for preparing an imidazole derivative and crystal form A and crystal form B thereof, and also disclosed is a method for preparing a compound of formula (I) and an intermediate thereof.
    Type: Application
    Filed: June 7, 2016
    Publication date: May 24, 2018
    Applicant: SHANDONG DANHONG PHARMACEUTICAL CO., LTD.
    Inventors: Weihua SHI, Feng XU, Zheng WANG, Weidong LI, Linghui WU, Hongwei LI, Minggao ZENG, Kunmin LAI, Zhigan JIANG, Haiying HE