This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignee: Shandong Focusfreda Biotech Co., Ltd. Active years: 2024-2025.
Company Filing History:
Years Active: 2024-2025
Title: Innovator in Biotech: The Contributions of Liwei Tang
Introduction
Liwei Tang, based in Shandong, China, is a notable inventor in the biotechnology sector. His innovative approach focuses on the preparation and purification methods within the field of polymers, specifically regarding sodium hyaluronate.
Latest Patents
Liwei Tang holds a patent for his invention titled "Preparation and purification method for cationic quaternary ammonium salt of sodium hyaluronate in homogeneous medium." This patent details a novel method that utilizes a homogeneous solvent to dissolve sodium hyaluronate and subsequently introduces an aqueous solution of 2,3-epoxypropyltrimethylammonium chloride (GTA). The process involves a graft reaction in the presence of a base catalyst, leading to a product where the cationic quaternary ammonium salt is grafted onto the sodium hyaluronate. This innovative method avoids the addition of salts during the reaction and achieves a high grafting yield of 0.69, effectively resolving any coagulation issues with the final product.
Career Highlights
Liwei Tang’s work with Shandong Focusfreda Biotech Co., Ltd. has positioned him as a key player in the development of advanced biotechnological methods. His dedication to innovation is reflected in the efficiency and effectiveness of his patented process, which contributes significantly to the field.
Collaborations
Throughout his career, Liwei Tang has collaborated with talented colleagues such as Jinmao You and Lei Liu. These partnerships have fostered a productive environment for research and development, driving further innovations in biotechnology.
Conclusion
Liwei Tang stands out as an impactful inventor in the biotechnology landscape. His inventive methods for synthesizing and purifying sodium hyaluronate derivatives demonstrate a clear advancement in the field, showcasing his expertise and commitment to innovation. As he continues his work at Shandong Focusfreda Biotech Co., Ltd., the potential for future breakthroughs remains promising.