ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,749, issued on Jan. 20, was assigned to GCP APPLIED TECHNOLOGIES INC. (Cambridge, Mass.).

"Adjusting concrete mixes and mix designs using diagnostic delta data curve" was invented by Nathan Tregger (Northborough, Mass.) and Mark Roberts (North Andover, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention allows for better control over strength in concrete mixes and mix designs, while minimizing the over-use of cement and promoting sustainability within the industry. Disclosed are novel method and system which employ a diagnostic delta data (DDD) curve, or, in other words, data that displays a curvilinear relationship when plott...