Four patents

1. Preparation method of nerve growth factor Patent No.: ZL. 93101062.4

Date of authorization: March 17, 2000, the first patentee

2. Preparation Method of Thymosin Patent No.: ZL. 101061.6

Date of authorization: February 27, 1999, the first patentee

3. Preparation method and application of effector cells for treating and preventing CEA-positive tumors

2007 Application for National Patent Publication No.: CN 101037670A First Patentee

4. Effector cell combination for preventing and treating tumor and preparation method thereofPatent Publication No.: 201210149811.9

Qi Yanchao, the patentee who applied for the national patent in 2012