New License Agreement Resolves Case Against Coal-Fired Utility, Dismisses Defendant from Litigation CORSICANA, Texas, Sept. 24, 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 announced a non-exclusive agreement with a large regional coal-fired power utility that the Company filed suit against in January 2025 regarding the Company’s patented mercury emissions ...

CORSICANA, Texas, Sept. 03, 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 announced that management was invited to participate in the H.C. Wainwright 27th Annual Global Investment Conference, the Lake Street 2025 BIG9 Conference and the Gabelli 3rd Annual PFAS Symposium in September 2025. Birchtech Chief Executive Officer Richard MacPherson is scheduled to p ...