Patents/Inventors

Liwei Tang

ShandongCN1 patent

2 Patents

US124351622025
Preparation Method for Acetylated Sodium Hyaluronate
SHANDONG FOCUSFREDA BIOTECH CO., Ltd
0 cites
US119199762024
Preparation and Purification Method for Cationic Quaternary Ammonium Salt of Sodium Hyaluronate in Homogeneous Medium
SHANDONG FOCUSFREDA BIOTECH CO., Ltd
0 cites