ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,766,186, issued on Oct. 20, was assigned to Staidson (Beijing) Biopharmaceuticals Co. Ltd. (Beijing).
"Nerve growth factor mutant" was invented by Chao Wang (Beijing), Lei Ma (Beijing) and Tianfei Du (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a nerve growth factor mutant, wherein the nerve growth factor mutant is an amino acid sequence as shown by any one of SEQ ID No: 3 to SEQ ID No: 21 in the sequence listing. The advantage of the nerve growth factor mutant lies in that the mutation of a nerve growth factor can alleviate side effects such as pain, falling within the field of biological pharmacy."
The patent was filed on Feb. ...