Alexander Mining PLC Additional Patent Granted in Australia (0237X)
17 December 2019 - 1:09AM
UK Regulatory
TIDMAXM
RNS Number : 0237X
Alexander Mining PLC
16 December 2019
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 received notification
that its subsidiary, MetaLeach Limited ("MetaLeach"), has been
granted a patent for a Method for Ammoniacal Leaching of Copper
from Oxidised Copper Ores (Australia patent number 2015268083).
This patent forms part of MetaLeach's family of core AmmLeach(R)
technology patents in Australia and has a standard term of 20 years
from the effective date of 28 May 2015 (being the date of original
filing).
The granted Australia patent describes a method for leaching
copper from a oxidised copper ore, wherein at least 5% of the
copper present in the oxidised copper ore is an oxidised copper
compound, the method comprising the method steps of: applying an
aqueous solution of a curing agent to the oxidised copper ore,
producing a cured ore; forming a leach solution by applying an
ammoniacal solution that has an ammonium carbonate content of less
than 5 g/L to the cured ore, producing a pregnant leach solution
containing copper; and passing the pregnant leach solution to a
means for recovering copper.
This announcement contains inside information for the purposes
of Article 7 of EU Regulation 596/2014.
Enquiries:
Martin Rosser
Chief Executive
Mobile: +44 (0) 7770 865 341
Alexander Mining plc
Tel: +44 (0) 20 7078 9566
Email: mail@alexandermining.com
Website: www.alexandermining.com
Cairn Financial Advisers LLP
Sandy Jamieson/James Caithie
Tel: +44 (0) 20 7213 0880
Turner Pope Investments (TPI) Ltd.
Andy Thacker
Zoe Alexander
Tel: +44 (0) 20 3657 0050
This information is provided by RNS, the news service of the
London Stock Exchange. RNS is approved by the Financial Conduct
Authority to act as a Primary Information Provider in the United
Kingdom. Terms and conditions relating to the use and distribution
of this information may apply. For further information, please
contact rns@lseg.com or visit www.rns.com.
END
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