ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,411, issued on March 31, was assigned to ShenZhen YUTO Packaging Technology Co. Ltd. (Shenzhen, China).

"Paper pulp, a method for producing paper pulp, and paper pulp products" was invented by Zhangyan Chen (Shenzhen, China), Guocheng Han (Shenzhen, China), Rui Guo (Shenzhen, China), Mengyao Li (Shenzhen, China), Yinglong Wang (Shenzhen, China) and Yanfei Cheng (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application provides a paper pulp, a method for producing paper pulp, and a paper pulp product. The method for producing paper pulp includes: crushing bamboo shoot shells to obtain crushed materials; mixing the crushed mate...