Patent 9440881 was granted and assigned to Polytorx on September, 2016 by the United States Patent and Trademark Office.
A method for designing and manufacturing micro reinforced concrete that produces a composite material that shares physical properties with both the reinforcing material and the concrete. Micro reinforced concrete is a two-part system that made of micro reinforcements, which are twisted steel fibers, and a concrete matrix. The micro reinforcements are added at a specified dose to an ordinary concrete matrix to create the micro reinforced concrete.