US Patent Issued to CITY UNIVERSITY OF HONG KONG on Dec. 30 for "Methods and compositions for production of green mortar" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,395, issued on Dec. 30, was assigned to CITY UNIVERSITY OF HONG KONG (Kowloon, Hong Kong).

"Methods and compositions for production of green mortar" was invented by Denvid Lau (Kowloon, Hong Kong) and Huali Hao (Kowloon, Hong Kong).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of pre-treating plastic using plasms is disclosed. The plasma is applied to plastic in an atmosphere such as oxygen that encourages formation of functional groups on an otherwise inert plastic surface. The functional groups such as hydrogen group, carboxyl group, and formyl group are introduced on the surface of the recycled plastics. This allows the use of plastic to...