The patent, which will remain in force for 20 years, protects the process of removing sulfur through sonic energy, oxidation and the removal of all of the oxidized sulfur through hydro-treatment.
According to the US Energy Information Administration, India had approximately 5.6 billion barrels of proven oil reserves as of January 2010, the second-largest amount in the Asia Pacific region after China.
India produced roughly 880,000 barrels per day (bbl/d) of total oil in 2009 from over 3,600 operating oil wells, out of which 680,000 bbl/d was crude oil, the remainder was other liquids and refinery gain.
Petrosonics is a privately held, US based oil refining and production technology company.
