ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,861, issued on May 20, was assigned to Inner Mongolia University of Technology (China).

"Lightweight solid waste porous aggregate, and preparation method and use thereof" was invented by Xiaoxiao Wang (Hohhot, China), Rongrong Feng (Hohhot, China), Changwang Yan (Hohhot, China), Shuguang Liu (Hohhot, China), Ju Zhang (Hohhot, China), Lei Jing (Hohhot, China), Jie Li (Hohhot, China) and Liqiang Yin (Hohhot, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a lightweight solid waste porous aggregate, and a preparation method and use thereof. The lightweight solid waste porous aggregate includes the following raw materials in parts by m...