(marketscreener.com) 16 December 2019 Alexander Mining plc ('Alexander' or the 'Company') Additional Patent Granted in Australia Method for Ammoniacal Leaching of Copper from Oxidised Copper Ores Alexander is pleased to report that it has...http://www.marketscreener.com/ALEXANDER-MINING-PLC-4005156/news/Alexander-Mining-Additional-Patent-Granted-in-Australia-29733798/?utm_medium=RSS&utm_content=20191216