Patents by Inventor Xiaogeng CHENG

Xiaogeng CHENG 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).

  • Non-gelatin vaccine protectant composition and live attenuated influenza vaccine
    Patent number: 10463741
    Abstract: The present invention provides a composition for use as the protectant for a live attenuated influenza virus vaccine, comprising the following components at the following concentrations: human serum albumin: 1.0-15.0 g/L, sugar: 15.0-95.0 g/L, and sodium glutamate: 0.5-15.0 g/L. The present invention also provides a process for preparing a live attenuated influenza vaccine with the composition according to the present invention, comprising the following steps: dissolving the components of the composition according to the present invention sequentially into a pH buffer solution, adjusting the pH to a specified value, performing filtration sterilization, and adding virus stock to give the live attenuated influenza vaccine. The present invention further provides a live attenuated influenza vaccine, which may be used as an injection or nasal spray.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: November 5, 2019
    Assignee: Changchun BCHT Biotechnology Co.
    Inventors: Zhenwei Shen, Xiaohui Chen, Fei Xu, Yao Sun, Xiaogeng Cheng, Changlin Zhu, Chunlai Jiang, Wei Kong
  • Non-Gelatin Vaccine Protectant Composition and Live Attenuated Influenza Vaccine
    Publication number: 20180154004
    Abstract: The present invention provides a composition for use as the protectant for a live attenuated influenza virus vaccine, comprising the following components at the following concentrations: human serum albumin: 1.0-15.0 g/L, sugar: 15.0-95.0 g/L, and sodium glutamate: 0.5-15.0 g/L. The present invention also provides a process for preparing a live attenuated influenza vaccine with the composition according to the present invention, comprising the following steps: dissolving the components of the composition according to the present invention sequentially into a pH buffer solution, adjusting the pH to a specified value, performing filtration sterilization, and adding virus stock to give the live attenuated influenza vaccine. The present invention further provides a live attenuated influenza vaccine, which may be used as an injection or nasal spray.
    Type: Application
    Filed: April 26, 2016
    Publication date: June 7, 2018
    Inventors: Zhenwei SHEN, Xiaohui CHEN, Fei XU, Yao SUN, Xiaogeng CHENG, Changlin ZHU, Chunlai JIANG, Wei KONG