ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,101, issued on Feb. 3, was assigned to ROMAN CEMENT LLC (Salt Lake City).
"Non-hydraulically reactive particulate mineral compositions for reducing cement content in concrete" was invented by John M. Guynn (Salt Lake City).
According to the abstract* released by the U.S. Patent & Trademark Office: "Non-hydraulically reactive blended particulate compositions for use in making low carbon blended cement or low carbon concrete include a pozzolanic component having a first D90 and a mineral filler component having a second D90 greater than the first D90 dry blended without intergrinding, wherein the composition is free of hydraulic cement. The pozzolanic component can have a D90 less a...