http://www.streetinsider.com Latest StreetInsider.com News Articles en-us Copyright 2026, StreetInsider.com rss@streetinsider.com (SI RSS) rss@streetinsider.com (SI RSS) Wed, 10 Jun 2026 08:45:09 -0400 http://blogs.law.harvard.edu/tech/rss http://www.streetinsider.com/images/rss_logo.gif http://www.streetinsider.com 143 28 0 1 2 3 21 22 23 Saturday Sunday http://www.streetinsider.com/Management+Changes/Birchtech+promotes+Jim+Trettel+to+chief+operating+officer/26627387.html <p>Birchtech Corp. (NYSE American: BCHT) (TSX: BCHT) announced the promotion of Jim Trettel to Chief Operating Officer, according to a company press release. Trettel joined the activated carbon technology company in 2014 and previously served as Executive Vice President of Operations.</p> <p>The newly appointed COO brings 36 years of experience in the dry bulk material-handling industry, including project management and engineering on multimillion-dollar turnkey contracts. In his expanded role, Trettel will oversee corporate operations spanning financial and administrative functions to technical in-field systems for the company's clean air and clean water technologies.</p> <p>Before joining Birchtech, Trettel spent 21 years in senior leadership http://www.streetinsider.com/Management+Changes/Birchtech+promotes+Jim+Trettel+to+chief+operating+officer/26627387.html Wed, 10 Jun 2026 08:45:09 -0400 A.14698398 A.50206001 BCHT O.00115119 O.01519840 O.20154682 http://www.streetinsider.com/Management+Changes/Birchtech+promotes+Jim+Trettel+to+chief+operating+officer/26627387.html <p>Birchtech Corp. (NYSE American: BCHT) (TSX: BCHT) announced the promotion of Jim Trettel to Chief Operating Officer, according to a company press release. Trettel joined the activated carbon technology company in 2014 and previously served as Executive Vice President of Operations.</p> <p>The newly appointed COO brings 36 years of experience in the dry bulk material-handling industry, including project management and engineering on multimillion-dollar turnkey contracts. In his expanded role, Trettel will oversee corporate operations spanning financial and administrative functions to technical in-field systems for the company's clean air and clean water technologies.</p> <p>Before joining Birchtech, Trettel spent 21 years in senior leadership http://www.streetinsider.com/Management+Changes/Birchtech+promotes+Jim+Trettel+to+chief+operating+officer/26627387.html Wed, 10 Jun 2026 08:45:09 -0400 A.14698398 A.50206001 BCHT O.00115119 O.01519840 O.20154682 http://www.streetinsider.com/Management+Changes/Birchtech+promotes+Jim+Trettel+to+chief+operating+officer/26627387.html <p>Birchtech Corp. (NYSE American: BCHT) (TSX: BCHT) announced the promotion of Jim Trettel to Chief Operating Officer, according to a company press release. Trettel joined the activated carbon technology company in 2014 and previously served as Executive Vice President of Operations.</p> <p>The newly appointed COO brings 36 years of experience in the dry bulk material-handling industry, including project management and engineering on multimillion-dollar turnkey contracts. In his expanded role, Trettel will oversee corporate operations spanning financial and administrative functions to technical in-field systems for the company's clean air and clean water technologies.</p> <p>Before joining Birchtech, Trettel spent 21 years in senior leadership http://www.streetinsider.com/Management+Changes/Birchtech+promotes+Jim+Trettel+to+chief+operating+officer/26627387.html Wed, 10 Jun 2026 08:45:09 -0400 A.14698398 A.50206001 BCHT O.00115119 O.01519840 O.20154682 http://www.streetinsider.com/Management+Changes/Birchtech+promotes+Jim+Trettel+to+chief+operating+officer/26627387.html <p>Birchtech Corp. (NYSE American: BCHT) (TSX: BCHT) announced the promotion of Jim Trettel to Chief Operating Officer, according to a company press release. Trettel joined the activated carbon technology company in 2014 and previously served as Executive Vice President of Operations.</p> <p>The newly appointed COO brings 36 years of experience in the dry bulk material-handling industry, including project management and engineering on multimillion-dollar turnkey contracts. In his expanded role, Trettel will oversee corporate operations spanning financial and administrative functions to technical in-field systems for the company's clean air and clean water technologies.</p> <p>Before joining Birchtech, Trettel spent 21 years in senior leadership http://www.streetinsider.com/Management+Changes/Birchtech+promotes+Jim+Trettel+to+chief+operating+officer/26627387.html Wed, 10 Jun 2026 08:45:09 -0400 A.14698398 A.50206001 BCHT O.00115119 O.01519840 O.20154682 http://www.streetinsider.com/Management+Changes/Birchtech+promotes+Jim+Trettel+to+chief+operating+officer/26627387.html <p>Birchtech Corp. (NYSE American: BCHT) (TSX: BCHT) announced the promotion of Jim Trettel to Chief Operating Officer, according to a company press release. Trettel joined the activated carbon technology company in 2014 and previously served as Executive Vice President of Operations.</p> <p>The newly appointed COO brings 36 years of experience in the dry bulk material-handling industry, including project management and engineering on multimillion-dollar turnkey contracts. In his expanded role, Trettel will oversee corporate operations spanning financial and administrative functions to technical in-field systems for the company's clean air and clean water technologies.</p> <p>Before joining Birchtech, Trettel spent 21 years in senior leadership http://www.streetinsider.com/Management+Changes/Birchtech+promotes+Jim+Trettel+to+chief+operating+officer/26627387.html Wed, 10 Jun 2026 08:45:09 -0400 A.14698398 A.50206001 BCHT O.00115119 O.01519840 O.20154682 http://www.streetinsider.com/Management+Changes/Birchtech+promotes+Jim+Trettel+to+chief+operating+officer/26627387.html <p>Birchtech Corp. (NYSE American: BCHT) (TSX: BCHT) announced the promotion of Jim Trettel to Chief Operating Officer, according to a company press release. Trettel joined the activated carbon technology company in 2014 and previously served as Executive Vice President of Operations.</p> <p>The newly appointed COO brings 36 years of experience in the dry bulk material-handling industry, including project management and engineering on multimillion-dollar turnkey contracts. In his expanded role, Trettel will oversee corporate operations spanning financial and administrative functions to technical in-field systems for the company's clean air and clean water technologies.</p> <p>Before joining Birchtech, Trettel spent 21 years in senior leadership http://www.streetinsider.com/Management+Changes/Birchtech+promotes+Jim+Trettel+to+chief+operating+officer/26627387.html Wed, 10 Jun 2026 08:45:09 -0400 A.14698398 A.50206001 BCHT O.00115119 O.01519840 O.20154682 http://www.streetinsider.com/Press+Releases/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html <p align="justify">CORSICANA, Texas, June 10, 2026 (GLOBE NEWSWIRE) -- Birchtech Corp. (NYSE American: BCHT) (TSX: BCHT) (“Birchtech” or the “Company”), a leader in specialty activated carbon technologies for sustainable air and water treatment, today announced the promotion of Jim Trettel to Chief Operating Officer. Mr. Trettel joined the Company in 2014 and prior to his promotion served as the Company’s Executive Vice President of Operations playing a pivotal role in the early commercialization of Birchtech’s legacy SEA technology.</p> <p align="justify">Mr. Trettel possesses 36 years of experience in the dry bulk material-handling industry, including project management and engineering http://www.streetinsider.com/Press+Releases/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html Wed, 10 Jun 2026 08:44:00 -0400 A.14698398 A.50206001 BCHT BCHT O.00115119 O.01519840 O.20154682 http://www.streetinsider.com/Press+Releases/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html <p align="justify">CORSICANA, Texas, June 10, 2026 (GLOBE NEWSWIRE) -- Birchtech Corp. (NYSE American: BCHT) (TSX: BCHT) (“Birchtech” or the “Company”), a leader in specialty activated carbon technologies for sustainable air and water treatment, today announced the promotion of Jim Trettel to Chief Operating Officer. Mr. Trettel joined the Company in 2014 and prior to his promotion served as the Company’s Executive Vice President of Operations playing a pivotal role in the early commercialization of Birchtech’s legacy SEA technology.</p> <p align="justify">Mr. Trettel possesses 36 years of experience in the dry bulk material-handling industry, including project management and engineering http://www.streetinsider.com/Press+Releases/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html Wed, 10 Jun 2026 08:44:00 -0400 A.14698398 A.50206001 BCHT BCHT O.00115119 O.01519840 O.20154682 http://www.streetinsider.com/Press+Releases/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html <p align="justify">CORSICANA, Texas, June 10, 2026 (GLOBE NEWSWIRE) -- Birchtech Corp. (NYSE American: BCHT) (TSX: BCHT) (“Birchtech” or the “Company”), a leader in specialty activated carbon technologies for sustainable air and water treatment, today announced the promotion of Jim Trettel to Chief Operating Officer. Mr. Trettel joined the Company in 2014 and prior to his promotion served as the Company’s Executive Vice President of Operations playing a pivotal role in the early commercialization of Birchtech’s legacy SEA technology.</p> <p align="justify">Mr. Trettel possesses 36 years of experience in the dry bulk material-handling industry, including project management and engineering http://www.streetinsider.com/Press+Releases/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html Wed, 10 Jun 2026 08:44:00 -0400 A.14698398 A.50206001 BCHT BCHT O.00115119 O.01519840 O.20154682 http://www.streetinsider.com/Press+Releases/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html <p align="justify">CORSICANA, Texas, June 10, 2026 (GLOBE NEWSWIRE) -- Birchtech Corp. (NYSE American: BCHT) (TSX: BCHT) (“Birchtech” or the “Company”), a leader in specialty activated carbon technologies for sustainable air and water treatment, today announced the promotion of Jim Trettel to Chief Operating Officer. Mr. Trettel joined the Company in 2014 and prior to his promotion served as the Company’s Executive Vice President of Operations playing a pivotal role in the early commercialization of Birchtech’s legacy SEA technology.</p> <p align="justify">Mr. Trettel possesses 36 years of experience in the dry bulk material-handling industry, including project management and engineering http://www.streetinsider.com/Press+Releases/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html Wed, 10 Jun 2026 08:44:00 -0400 A.14698398 A.50206001 BCHT BCHT O.00115119 O.01519840 O.20154682 http://www.streetinsider.com/Press+Releases/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html <p align="justify">CORSICANA, Texas, June 10, 2026 (GLOBE NEWSWIRE) -- Birchtech Corp. (NYSE American: BCHT) (TSX: BCHT) (“Birchtech” or the “Company”), a leader in specialty activated carbon technologies for sustainable air and water treatment, today announced the promotion of Jim Trettel to Chief Operating Officer. Mr. Trettel joined the Company in 2014 and prior to his promotion served as the Company’s Executive Vice President of Operations playing a pivotal role in the early commercialization of Birchtech’s legacy SEA technology.</p> <p align="justify">Mr. Trettel possesses 36 years of experience in the dry bulk material-handling industry, including project management and engineering http://www.streetinsider.com/Press+Releases/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html Wed, 10 Jun 2026 08:44:00 -0400 A.14698398 A.50206001 BCHT BCHT O.00115119 O.01519840 O.20154682 http://www.streetinsider.com/Press+Releases/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html <p align="justify">CORSICANA, Texas, June 10, 2026 (GLOBE NEWSWIRE) -- Birchtech Corp. (NYSE American: BCHT) (TSX: BCHT) (“Birchtech” or the “Company”), a leader in specialty activated carbon technologies for sustainable air and water treatment, today announced the promotion of Jim Trettel to Chief Operating Officer. Mr. Trettel joined the Company in 2014 and prior to his promotion served as the Company’s Executive Vice President of Operations playing a pivotal role in the early commercialization of Birchtech’s legacy SEA technology.</p> <p align="justify">Mr. Trettel possesses 36 years of experience in the dry bulk material-handling industry, including project management and engineering http://www.streetinsider.com/Press+Releases/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html Wed, 10 Jun 2026 08:44:00 -0400 A.14698398 A.50206001 BCHT BCHT O.00115119 O.01519840 O.20154682 http://www.streetinsider.com/Press+Releases/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html <p align="justify">CORSICANA, Texas, June 10, 2026 (GLOBE NEWSWIRE) -- Birchtech Corp. (NYSE American: BCHT) (TSX: BCHT) (“Birchtech” or the “Company”), a leader in specialty activated carbon technologies for sustainable air and water treatment, today announced the promotion of Jim Trettel to Chief Operating Officer. Mr. Trettel joined the Company in 2014 and prior to his promotion served as the Company’s Executive Vice President of Operations playing a pivotal role in the early commercialization of Birchtech’s legacy SEA technology.</p> <p align="justify">Mr. Trettel possesses 36 years of experience in the dry bulk material-handling industry, including project management and engineering http://www.streetinsider.com/Press+Releases/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html Wed, 10 Jun 2026 08:44:00 -0400 A.14698398 A.50206001 BCHT BCHT O.00115119 O.01519840 O.20154682 http://www.streetinsider.com/Globe+Newswire/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html <p align="justify">CORSICANA, Texas, June 10, 2026 (GLOBE NEWSWIRE) -- Birchtech Corp. (NYSE American: BCHT) (TSX: BCHT) (“Birchtech” or the “Company”), a leader in specialty activated carbon technologies for sustainable air and water treatment, today announced the promotion of Jim Trettel to Chief Operating Officer. Mr. Trettel joined the Company in 2014 and prior to his promotion served as the Company’s Executive Vice President of Operations playing a pivotal role in the early commercialization of Birchtech’s legacy SEA technology.</p> <p align="justify">Mr. Trettel possesses 36 years of experience in the dry bulk material-handling industry, including project management and engineering http://www.streetinsider.com/Globe+Newswire/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html Wed, 10 Jun 2026 08:44:00 -0400 A.14698398 A.50206001 BCHT BCHT O.00115119 O.01519840 O.20154682 http://www.streetinsider.com/Globe+Newswire/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html <p align="justify">CORSICANA, Texas, June 10, 2026 (GLOBE NEWSWIRE) -- Birchtech Corp. (NYSE American: BCHT) (TSX: BCHT) (“Birchtech” or the “Company”), a leader in specialty activated carbon technologies for sustainable air and water treatment, today announced the promotion of Jim Trettel to Chief Operating Officer. Mr. Trettel joined the Company in 2014 and prior to his promotion served as the Company’s Executive Vice President of Operations playing a pivotal role in the early commercialization of Birchtech’s legacy SEA technology.</p> <p align="justify">Mr. Trettel possesses 36 years of experience in the dry bulk material-handling industry, including project management and engineering http://www.streetinsider.com/Globe+Newswire/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html Wed, 10 Jun 2026 08:44:00 -0400 A.14698398 A.50206001 BCHT BCHT O.00115119 O.01519840 O.20154682 http://www.streetinsider.com/Globe+Newswire/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html <p align="justify">CORSICANA, Texas, June 10, 2026 (GLOBE NEWSWIRE) -- Birchtech Corp. (NYSE American: BCHT) (TSX: BCHT) (“Birchtech” or the “Company”), a leader in specialty activated carbon technologies for sustainable air and water treatment, today announced the promotion of Jim Trettel to Chief Operating Officer. Mr. Trettel joined the Company in 2014 and prior to his promotion served as the Company’s Executive Vice President of Operations playing a pivotal role in the early commercialization of Birchtech’s legacy SEA technology.</p> <p align="justify">Mr. Trettel possesses 36 years of experience in the dry bulk material-handling industry, including project management and engineering http://www.streetinsider.com/Globe+Newswire/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html Wed, 10 Jun 2026 08:44:00 -0400 A.14698398 A.50206001 BCHT BCHT O.00115119 O.01519840 O.20154682 http://www.streetinsider.com/Globe+Newswire/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html <p align="justify">CORSICANA, Texas, June 10, 2026 (GLOBE NEWSWIRE) -- Birchtech Corp. (NYSE American: BCHT) (TSX: BCHT) (“Birchtech” or the “Company”), a leader in specialty activated carbon technologies for sustainable air and water treatment, today announced the promotion of Jim Trettel to Chief Operating Officer. Mr. Trettel joined the Company in 2014 and prior to his promotion served as the Company’s Executive Vice President of Operations playing a pivotal role in the early commercialization of Birchtech’s legacy SEA technology.</p> <p align="justify">Mr. Trettel possesses 36 years of experience in the dry bulk material-handling industry, including project management and engineering http://www.streetinsider.com/Globe+Newswire/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html Wed, 10 Jun 2026 08:44:00 -0400 A.14698398 A.50206001 BCHT BCHT O.00115119 O.01519840 O.20154682 http://www.streetinsider.com/Globe+Newswire/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html <p align="justify">CORSICANA, Texas, June 10, 2026 (GLOBE NEWSWIRE) -- Birchtech Corp. (NYSE American: BCHT) (TSX: BCHT) (“Birchtech” or the “Company”), a leader in specialty activated carbon technologies for sustainable air and water treatment, today announced the promotion of Jim Trettel to Chief Operating Officer. Mr. Trettel joined the Company in 2014 and prior to his promotion served as the Company’s Executive Vice President of Operations playing a pivotal role in the early commercialization of Birchtech’s legacy SEA technology.</p> <p align="justify">Mr. Trettel possesses 36 years of experience in the dry bulk material-handling industry, including project management and engineering http://www.streetinsider.com/Globe+Newswire/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html Wed, 10 Jun 2026 08:44:00 -0400 A.14698398 A.50206001 BCHT BCHT O.00115119 O.01519840 O.20154682 http://www.streetinsider.com/Globe+Newswire/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html <p align="justify">CORSICANA, Texas, June 10, 2026 (GLOBE NEWSWIRE) -- Birchtech Corp. (NYSE American: BCHT) (TSX: BCHT) (“Birchtech” or the “Company”), a leader in specialty activated carbon technologies for sustainable air and water treatment, today announced the promotion of Jim Trettel to Chief Operating Officer. Mr. Trettel joined the Company in 2014 and prior to his promotion served as the Company’s Executive Vice President of Operations playing a pivotal role in the early commercialization of Birchtech’s legacy SEA technology.</p> <p align="justify">Mr. Trettel possesses 36 years of experience in the dry bulk material-handling industry, including project management and engineering http://www.streetinsider.com/Globe+Newswire/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html Wed, 10 Jun 2026 08:44:00 -0400 A.14698398 A.50206001 BCHT BCHT O.00115119 O.01519840 O.20154682 http://www.streetinsider.com/Globe+Newswire/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html <p align="justify">CORSICANA, Texas, June 10, 2026 (GLOBE NEWSWIRE) -- Birchtech Corp. (NYSE American: BCHT) (TSX: BCHT) (“Birchtech” or the “Company”), a leader in specialty activated carbon technologies for sustainable air and water treatment, today announced the promotion of Jim Trettel to Chief Operating Officer. Mr. Trettel joined the Company in 2014 and prior to his promotion served as the Company’s Executive Vice President of Operations playing a pivotal role in the early commercialization of Birchtech’s legacy SEA technology.</p> <p align="justify">Mr. Trettel possesses 36 years of experience in the dry bulk material-handling industry, including project management and engineering http://www.streetinsider.com/Globe+Newswire/Birchtech+Announces+Promotion+of+Jim+Trettel+to+Chief+Operating+Officer/26627378.html Wed, 10 Jun 2026 08:44:00 -0400 A.14698398 A.50206001 BCHT BCHT O.00115119 O.01519840 O.20154682 http://www.streetinsider.com/SEC+Filings/Form++PRE+14A++++Birchtech+Corp.+++++++++++For%3A+Jul+23/26617519.html si-local-file:///var/storage/secattach/20260608/26617519.html http://www.streetinsider.com/SEC+Filings/Form++PRE+14A++++Birchtech+Corp.+++++++++++For%3A+Jul+23/26617519.html Mon, 08 Jun 2026 16:15:00 -0400 BCHT O.01519840 http://www.streetinsider.com/SEC+Filings/Form++PRE+14A++++Birchtech+Corp.+++++++++++For%3A+Jul+23/26617519.html si-local-file:///var/storage/secattach/20260608/26617519.html http://www.streetinsider.com/SEC+Filings/Form++PRE+14A++++Birchtech+Corp.+++++++++++For%3A+Jul+23/26617519.html Mon, 08 Jun 2026 16:15:00 -0400 BCHT O.01519840 http://www.streetinsider.com/Litigation/Birchtech+ends+patent+challenges%2C+protects+mercury+removal+technology/26596019.html <p>Birchtech Corp. (NYSE American: BCHT) announced that all Inter Partes Review petitions challenging its mercury removal technology patents have been terminated or resolved. The company stated that no active IPR proceedings remain against its patented SEA sorbent technology.</p><p>The Corsicana, Texas-based company has been defending its intellectual property since filing its first patent infringement claim in 2019. Birchtech reported receiving approximately $37 million in license fees and settlements from utilities since 2020.</p><p>In March 2024, a federal jury in the U.S. District Court for the District of Delaware returned a unanimous verdict against CERT defendants on all counts, including findings of willful, http://www.streetinsider.com/Litigation/Birchtech+ends+patent+challenges%2C+protects+mercury+removal+technology/26596019.html Wed, 03 Jun 2026 08:32:47 -0400 BCHT http://www.streetinsider.com/Corporate+News/Birchtech+ends+patent+challenges%2C+protects+mercury+removal+technology/26596019.html <p>Birchtech Corp. (NYSE American: BCHT) announced that all Inter Partes Review petitions challenging its mercury removal technology patents have been terminated or resolved. The company stated that no active IPR proceedings remain against its patented SEA sorbent technology.</p><p>The Corsicana, Texas-based company has been defending its intellectual property since filing its first patent infringement claim in 2019. Birchtech reported receiving approximately $37 million in license fees and settlements from utilities since 2020.</p><p>In March 2024, a federal jury in the U.S. District Court for the District of Delaware returned a unanimous verdict against CERT defendants on all counts, including findings of willful, http://www.streetinsider.com/Corporate+News/Birchtech+ends+patent+challenges%2C+protects+mercury+removal+technology/26596019.html Wed, 03 Jun 2026 08:32:47 -0400 BCHT http://www.streetinsider.com/Press+Releases/Birchtech+Announces+the+End+of+All+Remaining+Attempts+to+Challenge+Patents+Under+IPR+Petition/26595981.html <p align="center"><em>Company&apos;s Mercury Removal Technology Patents Protected Against Invalidity Claims Following Termination of All Inter Partes Review (IPR) Petitions; Collection Efforts Remain Underway Following $78 Million Judgment</em></p> <p align="justify">CORSICANA, Texas, June 03, 2026 (GLOBE NEWSWIRE) -- Birchtech Corp. (NYSE American: BCHT) (TSX: BCHT) (“Birchtech” or the “Company”), a leader in specialty activated carbon technologies for sustainable air and water treatment, today announced the filing of termination requests for all remaining Inter Partes Review (IPR) petitions filed against the Company&apos;s core patents. The final remaining entities involved in IPR proceedings have resolved their disputes with the Company and http://www.streetinsider.com/Press+Releases/Birchtech+Announces+the+End+of+All+Remaining+Attempts+to+Challenge+Patents+Under+IPR+Petition/26595981.html Wed, 03 Jun 2026 08:31:00 -0400 BCHT BCHT O.01519840