US Patent Issued to ROMAN CEMENT on Oct. 7 for "Compositions and methods for making blended supplementary cementitious materials" (Utah Inventor)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,000, issued on Oct. 7, was assigned to ROMAN CEMENT LLC (Salt Lake City).

"Compositions and methods for making blended supplementary cementitious materials" was invented by John M. Guynn (Salt Lake City).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing an activated pozzolan composition includes: (i) grinding a natural pozzolan, alone or with another mineral component that is not cement clinker, to form a finely ground pozzolan component having a first d90 in a range of about 10 micro metre to about 45 micro metre and a first d10 less than about 5 micro metre; and (ii) blending, without intergrinding, the finely ground pozzolan ...