US Patent Issued on April 21 for "Method of preparing layered hydrotalcite-like PVC heat stabilizer from vermiculite" (Chinese Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,691, issued on April 21.

"Method of preparing layered hydrotalcite-like PVC heat stabilizer from vermiculite" was invented by Weiliang Tian (Alar, China), Kaidi Zhu (Alar, China), Lijuan Liu (Alar, China), Houmei You (Alar, China), Zhong Li (Alar, China), Jinpeng Hou (Alar, China), Yiwen Shen (Alar, China), Xiangkun Zhang (Alar, China), Huiping Ding (Alar, China), Kewei Zhang (Alar, China), Yongjun Feng (Alar, China) and Yanjun Lin (Alar, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of preparing layered hydrotalcite-like PVC heat stabilizer from vermiculite is disclosed, including the following steps. Vermiculite is pretreated to p...