DST announces filing of additional new patents

  February 06, 2019

MONTREAL, QUEBEC, February 6, 2019 – Dundee Sustainable Technologies Inc. (“DST or the Corporation”) (CSE: DST) is pleased to announce that it has filed a patent in Canada, the United States and China for the protection of the Corporation’s cyanide free gold extraction technology. Patent Application entitled “A Method and a system for gold recovery from halogen extraction” has been filed and will become the foundation for protection of our cyanide free IP in these jurisdictions.  This technology represents aa enhancement of the Corporation’s flagship technology and will be used to extend the life of the cyanide free patents in other jurisdictions.

Mr. Brian Howlett, President and CEO commented, “Management of DST is vey excited to be introducing our technology into China at this time.  China has a very significant gold and base metals processing capacity and will be a key market going forward for our technologies.” 

As reported in a press release on December 18, 2018, DST has completed analysis of the samples received from our Chinese customer.  Management is pleased to announce that the application of the Corporation’s technology to the customer’s concentrate resulted in an increased gold recovery of more than 10%, as compared to the traditional cyanide-in-leach process.  The Corporation is seeking to move this project to the development phase in 2019. 

DST has filed and been granted similar patents in the US and Canada and has filed other patent applications for the non-cyanide technology for several countries in Latin America, Europe and Africa.

About Dundee Sustainable Technologies, a corporation controlled by Dundee Corporation

The Corporation is engaged in the development and commercialization of environment-friendly technologies for the treatment of mineralized materials in the mining industry. Utilizing patented and proprietary technologies, DST works with its customers and partners to design and install extraction solutions for precious and base metals from mineralized material, concentrates and tailings. At the same time, DST stabilizes contaminants such as arsenic, antimony and cadmium which could not otherwise be extracted or stabilized with conventional processes because of metallurgical issues or environmental considerations.


Brian Howlett
President and CEO
Dundee Sustainable Technologies
Tel: (514) 866-6001 # 239
Cell: (647) 227-3035

FORWARD LOOKING STATEMENTS: This press release contains forward-looking statements that address future events and conditions, which are subject to various risks and uncertainties. Actual results could differ materially from those anticipated in such forward-looking statements as a result of numerous factors, some of which may be beyond the Corporation’s control. These factors include: general market and industry conditions, risks related to continuous operations and to commercialization of new technologies and other risks disclosed in the Corporation's filings with Canadian Securities Regulators.

Forward-looking statements are based on the expectations and opinions of the Corporation's management on the date the statements are made. The assumptions used in the preparation of such statements, although considered reasonable at the time of preparation, may prove to be imprecise and, as such, undue reliance should not be placed on forward-looking statements. The Corporation expressly disclaims any intention or obligation to update or revise any forward-looking statements whether as a result of new information, future events or otherwise, except as required by applicable law.

Neither the CSE nor its Regulation Services Provider (as that term is defined in the policies of the CSE) accepts responsibility for the adequacy or accuracy of this release.

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