ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,484, issued on April 21, was assigned to AFYON CIMENTO SANAYI TURK A.S. (Istanbul).
"Microfibrous shotcrete mixture" was invented by Ugur Alparslan (Kocaeli, Turkey), Burak Erdal (Kocaeli, Turkey), Murat Yasa Kilinc (Kocaeli, Turkey) and Serhat Sarikaya (Kocaeli, Turkey).
According to the abstract* released by the U.S. Patent & Trademark Office: "A microfibrous shotcrete mixture which is used in mining applications, in highway, railway, subway tunnels, as excavation support element slope applications. The microfibrous shotcrete mixture provides a decreased amount of rebound. The objective of the present invention is to increase cohesion significantly and reduce the rebound amoun...