ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,011, issued on May 20, was assigned to SOUTH CHINA UNIVERSITY OF TECHNOLOGY (Guangzhou, China).
"Wavelength-controllable cellulose iridescent film and method for preparation thereof" was invented by Bin Wang (Guangdong, China), Jinsong Zeng (Guangdong, China), Kefu Chen (Guangdong, China), Chengliang Duan (Guangdong, China), Zheng Cheng (Guangdong, China) and Jinpeng Li (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention belongs to the technical field of functional film materials; disclosed are a wavelength-controllable cellulose iridescent film and a method for preparation thereof. The method is: (1) mixing well a...