Try an online patent search for patents that pertain to coal liquefying. 

Other similar search terms might be “syngas” which is what you get from liquifying or ”plasma” which is part of the process to break down coal into syngas.

Let us know what you find.  Thanks.

Westinghouse Plasma Corporation is a wholly owned subsidiary of Alter Nrg, which trades on the TSX (NRG) and OTC (ANRGF).  ANRGF is up nearly 9% today.

( The market cap doesn't match.)

ABOUT ALTER NRG

Alter NRG is pursuing alternative energy solutions to meet the growing demand for environmentally responsible energy in world markets. The Company’s vision is to commercialize growth technologies through developing environmentally sustainable and economically viable alternative energy projects. The Company’s objectives are twofold; first, is to further commercialize the Westinghouse Plasma technology, a wholly owned subsidiary, to provide renewable and clean energy solutions from a wide variety of feedstocks, and providing a wide variety of energy outputs – including liquid fuels like diesel, and ethanol, power, and syngas and, second, to capitalize on the rapidly growing geoexchange residential and commercial heating and cooling market through a wholly owned subsidiary, CleanEnergy, that enables consumers to reduce their carbon footprint and reduce the cost and volatility of energy bills using the energy from the earth.