Patents by Inventor Weihua Meng

Weihua Meng 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).

  • METHODS FOR THE SYNTHESIS OF DEUTERATED DEXTROMETHORPHAN
    Publication number: 20240124402
    Abstract: The application describes methods for making a deuterated dextromethorphan of Formula (I), deuterated dextromethorphan produced by these methods, and pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: December 26, 2023
    Publication date: April 18, 2024
    Inventors: Matt Johnson, Cunxiang Zhao, Weihua Meng, Zhijun Lu, Yan Li
  • METHODS FOR THE SYNTHESIS OF DEUTERATED DEXTROMETHORPHAN
    Publication number: 20240067608
    Abstract: The application describes methods for making a deuterated dextromethorphan of Formula (I), deuterated dextromethorphan produced by these methods, and pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: November 8, 2023
    Publication date: February 29, 2024
    Inventors: Matt Johnson, Cunxiang Zhao, Weihua Meng, Zhijun Lu, Yan Li
  • Methods for the synthesis of deuterated dextromethorphan
    Patent number: 11845731
    Abstract: The application describes methods for making a deuterated dextromethorphan of Formula (I), deuterated dextromethorphan produced by these methods, and pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: December 19, 2023
    Assignee: AVANIR PHARMACEUTICALS, INC.
    Inventors: Matt Johnson, Cunxiang Zhao, Weihua Meng, Zhijun Lu, Yan Li
  • METHODS FOR THE SYNTHESIS OF DEUTERATED DEXTROMETHORPHAN
    Publication number: 20210061765
    Abstract: The application describes methods for making a deuterated dextromethorphan of Formula (I), deuterated dextromethorphan produced by these methods, and pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: November 11, 2020
    Publication date: March 4, 2021
    Inventors: Matt Johnson, Cunxiang Zhao, Weihua Meng, Zhijun Lu, Yan Li
  • Methods for the synthesis of deuterated dextromethorphan
    Patent number: 10865187
    Abstract: The application describes methods for making a deuterated dextromethorphan of Formula (I), deuterated dextromethorphan produced by these methods, and pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: December 15, 2020
    Assignee: Avanir Pharmaceuticals, Inc.
    Inventors: Matt Johnson, Cunxiang Zhao, Weihua Meng, Zhijun Lu, Yan Li
  • METHODS FOR THE SYNTHESIS OF DEUTERATED DEXTROMETHORPHAN
    Publication number: 20200317618
    Abstract: The application describes methods for making a deuterated dextromethorphan of Formula (I), deuterated dextromethorphan produced by these methods, and pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: June 24, 2020
    Publication date: October 8, 2020
    Inventors: Matt Johnson, Cunxiang Zhao, Weihua Meng, Zhijun Lu, Yan Li
  • Methods for the synthesis of deuterated dextromethorphan
    Patent number: 10730841
    Abstract: The application describes methods for making a deuterated dextromethorphan of Formula (I), deuterated dextromethorphan produced by these methods, and pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: August 4, 2020
    Assignee: Avanir Pharmaceuticals, Inc.
    Inventors: Matt Johnson, Cunxiang Zhao, Weihua Meng, Zhijun Lu, Yan Li
  • METHODS FOR THE SYNTHESIS OF DEUTERATED DEXTROMETHORPHAN
    Publication number: 20190241525
    Abstract: The application describes methods for making a deuterated dextromethorphan of Formula (I), deuterated dextromethorphan produced by these methods, and pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: July 3, 2017
    Publication date: August 8, 2019
    Inventors: Matt Johnson, Cunxiang Zhao, Weihua Meng, Zhijun Lu, Yan Li