TIDMAXM

RNS Number : 6294D

Alexander Mining PLC

28 October 2015

28 October 2015

Alexander Mining plc

("Alexander" or the "Company")

Patent Granted in Morocco

Overarching AmmLeach(R) Patent Granted in Morocco for Method for Ammoniacal Leaching

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 (Morocco patent number 32599). This patent forms part of MetaLeach's family of core AmmLeach(R) technologies and has a standard term of 20 years from the effective date of 11 July 2008 (being the date of original filing).

Martin Rosser, Chief Executive Officer, said: "The grant of our Morocco patent for a Method for Ammoniacal Leaching is gratifying given the potential for its use to process amenable copper and zinc deposits. The patent is the overarching AmmLeach(R) patent in our intellectual property portfolio and underpins all applications of the AmmLeach(R) technology."

The granted Morocco patent encompasses methods for leaching one or more target metals from an ore, the methods comprising the steps of: curing the ore to be leached through the application of an aqueous solution of a curing agent, producing a cured ore; leaching the cured ore at atmospheric pressure through the application of an ammonium carbonate solution containing free ammonia, producing a pregnant leach solution; and passing the pregnant leach solution to a means for metals recovery.

ENDS

Enquiries:

 
 Alexander Mining plc 
 
 Martin Rosser                        Matt Sutcliffe 
  Chief Executive Officer              Executive Chairman 
  Mobile: +44 (0) 7770 865 341         Mobile: +44 (0) 7887 930 758 
 
 Tel: +44 (0) 20 7292 1300 
  Email: mail@alexandermining.com 
  Website: www.alexandermining.com 
 
 Northland Capital Partners Limited 
 
  Matthew Johnson / Gerry Beaney 
  +44 (0) 20 7382 1100 
  (Corporate Finance) 
  John Howes / Abigail Wayne 
  (Corporate Broking)

This information is provided by RNS

The company news service from the London Stock Exchange

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October 28, 2015 03:00 ET (07:00 GMT)

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