Park City, Utah
United States
10
2010-08-19
The entities that hold a legal rights for patent applications filed by inventor Brewer Robert E.:
Robert E. Brewer from Park City, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Process for multiple stage direct electrowinning of copper
#2 | 2009-04-23Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent/solution extraction
#3 | 2009-03-19Process for multiple stage direct electrowinning of copper
#4 | 2007-02-22Method for improving metals recovery using high temperature pressure leaching
#5 | 2006-07-06Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent/solution extraction
#6 | 2006-07-06Process for multiple stage direct electrowinning of copper
#7 | 2005-07-21Method for processing elemental sulfur-bearing materials using high temperature pressure leaching
#8 | 2005-07-21Method for improving metals recovery using high temperature pressure leaching
#9 | 2005-06-16Process for recovery of copper from copper-bearing material using medium temperature pressure leaching, direct electrowinning and solvent/solution extraction
#10 | 2005-05-26Process for multiple stage direct electrowinning of copper
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