MUMBAI, India, July 7 -- Intellectual Property India has published a patent application (202617070066 A) filed by Changchun Bcht Biotechnology Co. on June 04, 2026, for Vaccine Lyoprotectant Without Animal-Derived Protein Component And Use Thereof.
Inventors include Lu, Jingcai; Yin, Liguo; Yu, Yang; Zhao, Yonghong; Liu, Dawei; and Wei, Wei Number.
The application for the patent was published on July 03, 2026, under issue no. 27/2026.
Abstract: A vaccine lyoprotectant without an animal-derived protein component, which contains the following components: 0.2 wt.%-8wt.% of sucrose; 1.0 wt.%-10 wt.% of trehalose; 0.2 wt.%-4.0 wt.% of sodium glutamate; 0.05 wt.%-1.0 wt.% of urea; 0.05 wt.%-1.0 wt.% of arginine; and 0.05 wt.%-2.0 wt.% of glucose, with the balance being a phosphate buffer solution having a pH in the range of 6.8-7.8. The present invention further relates to a vaccine semi-finished product and a lyophilized preparation prepared from the lyoprotectant.
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