Parkway Minerals (ASX: PWN) Granted Patent for Potassium Recovery

KEY TAKEAWAYS:

• Parkway Minerals was granted a US patent for its K-Max process so that it could protect the innovative solution and also treat it as Intellectual Property.
• Parkway enjoys the ownership of the world’s largest known deposit of glauconite and also possesses licenses and applications for carrying out exploration activities for various
  other minerals.
• Patrick McManus, MD of Parkway Minerals, regarded this patent as being significant for the company not just in terms of K-Max but also for other minerals which are present
  in Dandaragan Trough.

Recently Parkway Minerals (ASX: PWN) was granted a US Patent for having developed the K-
Max process, meant for treating minerals rich in Potassium and also for production of Sulphate
of Potash(SOP). Parkway has been granted the patent so that it could duly protect the innovative nature of the process and henceforth regard it as being Intellectual Property.As a company that is focused on development of fertilizer feedstock, Parkway enjoys ownership of world’s largest known deposit of glauconite, and also possesses licenses and applications for carrying out exploration activities in Dandaragan Trough, the greensand deposit in Perth Basin, Western Australia. Because this area is rich in phosphate and potash deposits, the company developed the K Max process as an effective treatment solution of the same.

In addition to the production of SOP, the K-Max extraction process has been designed to recover
phosphate as rock-phosphate or alternatively as phosphoric acid or single superphoshate. It will
also recover alum, which is another name for aluminum sulphate, and is mostly used for treatment of industrial water. Yet another mineral that would be derived is a mixture of potassium and magnesium sulphate which is basically meant to serve as a fertilizer the world
over.

Patrick McManus, MD of Parkway Minerals, regarded the granting of this patent as being
particularly significant for the K-Max process, especially in context of Dandaragan Trough. He
went on to point out that the company had the requisite infrastructure in the region that is rich in
deposits to be able to export the two minerals, namely potash and phosphate.

About Parkway Minerals (ASX: PWN)

Focused on fertiliser feedstocks, both potash and phosphates. Projects are large, promising long-term supply within regions that are currently importing their fertiliser needs. The company has exploration assets at different stages of maturity, from early stage to feasibility, and an active programme to develop them. Parkway has cash plus shares valued at $4M.

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