Patents by Inventor Zongming Song

Zongming Song 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).

  • Freeze-dried hepatitis A attenuated live vaccine and its stabilizer
    Patent number: 6884422
    Abstract: The present invention relates to hepatitis A vaccine, especially to a lyophilized attenuated hepatitis A vaccine which can be stored at ambient temperature for extended periods of time, and to a method for producing the same. The present invention further relates to a stabilizer for lyophilized live vaccine and its use in improving thermostability of lyophilized live vaccine during lyophilization processing and storage period after lyophilization.
    Type: Grant
    Filed: October 10, 1999
    Date of Patent: April 26, 2005
    Assignee: Changchun Institute of Biological Products, Ministry of Public Health
    Inventors: Jingye Liu, Pengfu Wang, Guangpu Li, Baosheng Xie, Zongming Song, Shuyan Li, Jing Liu, Ying Yu, Xizhen Guangpu Zhang, Ben Liang, Lingjiu Liu, Wei Wang, Ling Zhang, Yong Xue, Jing Li, Yuhong Li, Hui Lin, Zongju Wan
  • Combined vaccine against both HAV and measles virus and method of producing it
    Patent number: 6562350
    Abstract: A combined hepatitis A-measles live vaccine, its lyophilized formulations with enhanced storage stability and methods of preparing the same by mixing the viral stocks of hepatitis A virus and measles virus or by propagating the two viruses on same diploid cell substrate are disclosed. The combined live vaccine thus prepared is a useful vaccine for preventing the infections with hepatitis A and measles without causing any interference between antigenicity of the two viruses and any serious adverse events due to their mixing or co-culturing.
    Type: Grant
    Filed: July 6, 2001
    Date of Patent: May 13, 2003
    Assignee: Changchun Institute of Biological Products, Ministry of Public Health
    Inventors: Pengfu Wang, Jingye Lu, Guangpu Li, Baosheng Xie, Zongming Song, Shuyan Li