US Patent Issued to CARBOCLAVE on Oct. 27 for "Displaced air carbonation (DAC) process" (Canadian Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,257, issued on Oct. 27, was assigned to CARBOCLAVE CORP. (Kitchener, Canada).

"Displaced air carbonation (DAC) process" was invented by Zaid Al-Ghouleh (Montreal) and Paul Wayne Hargest (Kitchener, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to the use of carbon dioxide gas to cure concrete media by applying a pressure differential created through a partial replacement of the original ambient volume of air present in a curing enclosure with pure CO2 gas."

The patent was filed on Sept. 26, 2018, under Application No. 16/651,725.

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