Builds on patent filed in April for Pyrrhotite Process June 18, 2025 – TheNewswire - Toronto, Canada - BacTech Environmental Corporation (“BacTech” or the “Company”) (CSE: BAC, OTCQB: BCCEF) announced today that it has filed a provisional patent application to expand its zero-waste processing technology beyond bioleaching. This new application builds on a full patent application submitted in April, which focused on treating... Read More