Birchtech Secures License & Supply Bidding Agreements with Two Power Utilities

New Agreements Result in Removal of Two Affiliated Utilities & Parent Company from Company’s 2024 Iowa Patent Litigation CORSICANA, Texas, Sept. 08, 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 non-exclusive agreements with two coal-fired power utilities, affiliated with one another, named as defendants in the Company’s July 2024 lawsuit filed in ...