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Patent portfolio assigned to Material Evolution (verified via public assignee records). UK ultra-low-carbon cement maker (MevoCem, Wrexham plant) using a patented alkali-fusion process (stated across company site and World Cement/Constructing Excellence) -> has_patents=true; exact count not verifiable via Google Patents (assignee page returned 503). Strategic investor SigmaRoc/CCP co-located and uses the cement; ZTL Contracting and Retaining UK ran commercial concrete trials. Competitors from Craft.co/CBInsights.