Toronto
Canada
4
2016-07-14
The entities that hold a legal rights for patent applications filed by inventor Gorain Barun:
Barun Gorain from Toronto, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Separation of copper minerals from pyrite using air-metabisulfite treatment
#2 | 2011-06-30Separation of copper minerals from pyrite using air-metabisulfite treatment
#3 | 2009-03-19Process for recovering gold and silver from refractory ores
#4 | 2009-03-19Method to improve recovery of gold from double refractory gold ores
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