Patents by Inventor Li-Ping Song

Li-Ping 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).

  • Cyclic single-chain trispecific antibody
    Publication number: 20050175606
    Abstract: The invention provides a cyclic single-chain trispecific antibody against human tumor. It comprises three parts. The first part is an anti-tumor Fab antibody, an anti-tumor single-domain antibody or an scFv. The second part is a reshaped Fab antibody against human CD3, a reshaped single-domain antibody against human CD3 or a reshaped scFv against human CD3. The third part is a reshaped Fab antibody against human CD28, a reshaped single-domain antibody against human CD28 or a reshaped scFv against human CD28. The present invention also offers the DNA sequence coding for this trispecific antibody, expression vectors containing this DNA sequence and host cells (E. coli) containing the vectors.
    Type: Application
    Filed: April 10, 2002
    Publication date: August 11, 2005
    Inventors: Hua-Liang Huang, Ju-Long Cheng, Xiang-Bin Wang, Li-Ping Song, Zhong Zhang, Qing Lin, Ying Gu