Liquefied Natural Gas Limited (ASX:LNG OTC:LNGLY) has been granted the U.S. patent over its core OSMR® process technology for the liquefaction of gas.

It now has patents in Canada and the U.S. to protect its primary invention being “A Method and System for Production of Liquid Natural Gas”.

“We are very pleased that the company’s primary invention is protected in the U.S. and Canada to support the projects in those countries” managing director Maurice Brand said.

“What’s more the US patent has been extended by 645 days to account for the time the patent has been prosecuted by United States Patent and Trademark Office.”

Patent protection in the US and Canada and in other important jurisdictions allows the company to develop other international opportunities as well as progressing the following projects:

- Magnolia 8 million tonne per annum LNG Project in Lake Charles Louisiana USA;   
- Bear Head 8Mtpa LNG Project in Richmond County Nova Scotia Canada; and
- Gladstone Fisherman’s Landing 3.8Mtpa LNG Project in Queensland Australia.

The OSMR® process is based on a proven simple single mixed refrigerant system with the addition of conventional combined heat and power and ammonia refrigeration technology to significantly enhance the plant performance.

This results in a plant cost of around half that of competing technologies (based on $/tpa) and an overall plant efficiency which is around 30% better than others (i.e. 30% less carbon emissions). 

Along with the company’s plant modularisation and construction strategy substantially improves project economics.

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