ENGLISHUncategorized U.S. agency grants Ecograf U.S. patent for its HFfree™ anode graphite purification technology RedaktionJuni 15, 2023 August 14, 2023 {australien_flagge}The U.S. Patent and Trademark Office (USPTO) will soon issue a U.S. patent to Australia’s EcoGraf Limited (... 44600