Patents by Inventor Chunzhou HAN

Chunzhou HAN 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).

  • Cycloalkyl acid derivative, preparation method thereof, and pharmaceutical application thereof
    Patent number: 9637484
    Abstract: Cycloalkyl acid derivatives, a preparation method thereof, and a pharmaceutical application thereof are described. In particular, a cycloalkyl acid derivative represented by general formula (I) and a medical salt thereof, a preparation method thereof, and an application of the cycloalkyl acid derivative and the medical salt thereof as URAT1 inhibitors, and particularly as therapeutic agents for diseases related to an abnormal uric acid level are described, wherein definitions of substituent groups in general formula (I) are the same as the definitions in the specification.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: May 2, 2017
    Assignees: SHANGHAI HENGRUI PHARMACEUTICAL CO., LTD., JIANGSU HENGRUI MEDICINE CO., LTD.
    Inventors: Jianbiao Peng, Piaoyang Sun, Jiong Lan, Chunyan Gu, Xiaotao Li, Bonian Liu, Chunzhou Han, Qiyue Hu, Fangfang Jin, Qing Dong, Guoqing Cao
  • CYCLOALKYL ACID DERIVATIVE, PREPARATION METHOD THEREOF, AND PHARMACEUTICAL APPLICATION THEREOF
    Publication number: 20160108035
    Abstract: Cycloalkyl acid derivatives, a preparation method thereof, and a pharmaceutical application thereof are described. In particular, a cycloalkyl acid derivative represented by general formula (I) and a medical salt thereof, a preparation method thereof, and an application of the cycloalkyl acid derivative and the medical salt thereof as URAT1 inhibitors, and particularly as therapeutic agents for diseases related to an abnormal uric acid level are described, wherein definitions of substituent groups in general formula (I) are the same as the definitions in the specification.
    Type: Application
    Filed: April 29, 2014
    Publication date: April 21, 2016
    Applicant: Shanghai Hengrui Pharmaceutical Co., Lt.d
    Inventors: Jianbiao PENG, Piaoyang SUN, Jiong LAN, Chunyan GU, Xiaotao LI, Bonian LIU, Chunzhou HAN, Qiyue HU, Fangfang JIN, Qing DONG, Guoqing CAO