Patents by Inventor Lingjiu Liu

Lingjiu Liu 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