ESGL filed patent application with IPOS to protect precious-metal recovery tech

ESGL Holdings, through its subsidiary Environmental Solutions (ESGL) Asia, has filed a patent application with the Intellectual Property Office of Singapore, IPOS, to protect its proprietary precious-metal recovery technology designed for treating acidic waste streams. The provisional patent filing follows more than two years of focused R&D, leading to the commercialization of the technology through the recovery of precious metal concentrates from semiconductor acid waste. “This patent filing marks an important milestone in strengthening the protection of our technology,” said Lawrence Law, Executive Director of ESGL. “By turning semiconductor waste into valuable precious metal concentrates, we’ve proven that innovation can go hand in hand with sustainability and economic value creation.”