Patents by Inventor Zhanguo Wang

Zhanguo Wang 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: 20230270757
    Abstract: A salfaprodil freeze-dried powder injection, and a preparation method thereof and the use thereof are proposed. The preparation method may include adding salfaprodil into water for injection, filtering after the salfaprodil is completely dissolved, and adjusting pH of filtrate with an alkaline substance water solution. The method may also include adding the injection water to achieve a constant volume, filling with an inert gas for protection, and performing sterilization and filtration to obtain a salfaprodil solution, which is then freeze-dried to obtain the -salfaprodil freeze-dried powder injection.
    Type: Application
    Filed: July 27, 2021
    Publication date: August 31, 2023
    Inventors: Weiqiang ZHAN, Zhanguo WANG, Wei ZHANG, Lingyan FU, Qian LIN, Xiaoli CHEN, Guoyang LV, Liyin ZHONG, Xinliang XU, Fangmeng ZHU
  • Patent number: 9949966
    Abstract: The invention provides novel compounds having the general formula: wherein R1, R2, R3, R4, R5 and R6 are as described herein, compositions including the compounds and methods of using the compounds.
    Type: Grant
    Filed: June 21, 2016
    Date of Patent: April 24, 2018
    Assignee: Hoffman-La Roche Inc.
    Inventors: Xingchun Han, Hassan Javanbakht, Min Jiang, Chungen Liang, Jianping Wang, Yongguang Wang, Zhanguo Wang, Robert James Weikert, Song Yang, Chengang Zhou
  • Patent number: 9920049
    Abstract: The invention provides novel compounds having the general formula: wherein R1, R2, R3, R4, R5, R6, X and Y are as described in the description and in the claims, as well as or pharmaceutically acceptable salts, or enantiomers, or diastereomers thereof. The invention also contains compositions including the compounds and methods of using the compounds.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: March 20, 2018
    Assignee: Hoffman-La Roche Inc.
    Inventors: Song Yang, Xingchun Han, Zhanguo Wang
  • Publication number: 20170057952
    Abstract: The invention provides novel compounds having the general formula: wherein R1, R2, R3, R4, R5, R6, X and Y are as described in the description and in the claims, as well as or pharmaceutically acceptable salts, or enantiomers, or diastereomers thereof. The invention also contains compositions including the compounds and methods of using the compounds.
    Type: Application
    Filed: November 11, 2016
    Publication date: March 2, 2017
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Song Yang, Xingchun Han, Zhanguo Wang
  • Publication number: 20160296515
    Abstract: The invention provides novel compounds having the general formula: wherein R1, R2, R3, R4, R5 and R6 are as described herein, compositions including the compounds and methods of using the compounds.
    Type: Application
    Filed: June 21, 2016
    Publication date: October 13, 2016
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Xingchun Han, Hassan Javanbakht, Min Jiang, Chungen Liang, Jianping Wang, Yongguang Wang, Zhanguo Wang, Robert James Weikert, Song Yang, Chengang Zhou
  • Patent number: 9458153
    Abstract: The invention provides novel compounds having the general formula: wherein R1, R2, R3, R4, R5 and R6 are as described herein, compositions including the compounds and methods of using the compounds.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: October 4, 2016
    Assignee: Hoffmann-La Roche INC.
    Inventors: Xingchun Han, Hassan Javanbakht, Min Jiang, Chungen Liang, Jianping Wang, Yongguang Wang, Zhanguo Wang, Robert James Weikert, Song Yang, Chengang Zhou
  • Publication number: 20160207914
    Abstract: The invention provides novel compounds having the general formula: wherein R1, R2, R3, R4, R5 and R6 are as described herein, compositions including the compounds and methods of using the compounds.
    Type: Application
    Filed: January 30, 2015
    Publication date: July 21, 2016
    Applicant: HOFFMANN-LA ROCHE INC.
    Inventors: Xingchun Han, Hassan Javanbakht, Min Jiang, Chungen Liang, Jianping Wang, Yongguang Wang, Zhanguo Wang, Robert James Weikert, Song Yang, Chengang Zhou
  • Patent number: 9133158
    Abstract: The invention provides novel compounds having the general formula (I) wherein R1, R2, R3, R4, R5, R6, A1, A2, A3, A4, A5 and n are as described herein, compositions including the compounds and methods of using the compounds. The compounds are useful, for example, as aldosterone synthase (CYP11B2 or CYP11B1) inhibitors for the treatment or prophylaxis of chronic kidney disease, congestive heart failure, hypertension, primary aldosteronism and Cushing syndrome.
    Type: Grant
    Filed: November 29, 2012
    Date of Patent: September 15, 2015
    Assignee: HOFFMAN-LA ROCHE INC.
    Inventors: Johannes Aebi, Kurt Amrein, Wenming Chen, Benoit Hornsperger, Bernd Kuhn, Yongfu Liu, Hans P. Maerki, Alexander V. Mayweg, Peter Mohr, Xuefei Tan, Zhanguo Wang, Mingwei Zhou
  • Publication number: 20150210682
    Abstract: The invention provides novel compounds having the general formula: wherein R1, R2, R3, R4, R5 and R6 are as described herein, compositions including the compounds and methods of using the compounds.
    Type: Application
    Filed: January 30, 2015
    Publication date: July 30, 2015
    Applicant: HOFFMANN-LA ROCHE INC.
    Inventors: Xingchun Han, Hassan Javanbakht, Min Jiang, Chungen Liang, Jianping Wang, Yongguang Wang, Zhanguo Wang, Robert James Weikert, Song Yang, Chengang Zhou
  • Patent number: 8716285
    Abstract: The present invention provides a compound of formula (I) or a pharmaceutically acceptable salt, ester or stereoisomer thereof, wherein R1 to R3 and X have the significances given herein. The present invention is also directed to processes for making said compounds and uses of said compounds, in particular their use as medicaments, more particularly their use as medicaments in the treatment of cancer.
    Type: Grant
    Filed: September 7, 2011
    Date of Patent: May 6, 2014
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Lei Guo, Guozhi Tang, Zhanguo Wang, Jason Christopher Wong, Weixing Zhang
  • Publication number: 20120065204
    Abstract: The present invention provides a compound of formula (I) or a pharmaceutically acceptable salt, ester or stereoisomer thereof, wherein R1 to R3 and X have the significances given herein. The present invention is also directed to processes for making said compounds and uses of said compounds, in particular their use as medicaments, more particularly their use as medicaments in the treatment of cancer.
    Type: Application
    Filed: September 7, 2011
    Publication date: March 15, 2012
    Inventors: Lei Guo, Guozhi Tang, Zhanguo Wang, Jason Christopher Wong, Weixing Zhang