First Quarter 2025 Revenues Totaled $3.2 Million, With Gross Margins Increasing 350 bps to 38.3% CORSICANA, Texas, May 15, 2025 (GLOBE NEWSWIRE) -- Birchtech Corp. (TSX: BCHT) (OTCQB: BCHT) ("Birchtech" or the "Company"), a leader in specialty activated carbon technologies for sustainable air and water treatment, today reported financial results for the first quarter ended March 31, 2025. Key First Quarter 2025 & Subsequent Operational Highlights Pending final judgment following the $57 million patent infri ...