ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,884, issued on Jan. 20, was assigned to ZHEJIANG SCI-TECH UNIVERSITY (Hangzhou, China).

"Modified cellulose and the preparation method and application thereof" was invented by Yanjun Tang (Hangzhou, China), Xinhua Dong (Hangzhou, China), Feng Xu (Hangzhou, China), Xueming Zhang (Hangzhou, China), Tianying Chen (Hangzhou, China), Feiyun Li (Hangzhou, China) and Xiaoyu Wang (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a modified cellulose, a preparation method and application thereof. The modified cellulose includes a flame retardant cellulose ester film, and the preparation method includes: obtaining a homogeneous cellu...