Plasma Processing Corporation

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Records under this name other than patents Plasma Processing Corporation holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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Patent	Title	Status	Expires	Confidence
US 4,877,448	Process for recovery of free aluminum from aluminum dross or aluminum scrap using plasma energy Term ended Term ended no later than Oct 31, 2009 · Low confidence	Term ended	Term ended no later than Oct 31, 2009	Low confidence
US 4,997,476	Recovery of free aluminum from aluminum dross using plasma energy without use of a salt flux Term ended Term ended no later than Mar 5, 2011 · Low confidence	Term ended	Term ended no later than Mar 5, 2011	Low confidence
US 5,030,273	Furnace-plasma arc torch-supervisory control system for recovery of free aluminum from aluminum dross Term ended Term ended no later than Jul 9, 2011 · Low confidence	Term ended	Term ended no later than Jul 9, 2011	Low confidence
US 5,203,908	Process for recovery of free aluminum from aluminum dross or aluminum scrap using plasma energy at high enthalpy Term ended Term ended no later than Apr 20, 2013 · Low confidence	Term ended	Term ended no later than Apr 20, 2013	Low confidence
US 5,308,375	Process for recovery of free aluminum from aluminum dross or aluminum scrap using plasma energy with oxygen second stage treatment Term ended Term ended no later than May 3, 2014 · Low confidence	Term ended	Term ended no later than May 3, 2014	Low confidence
US 5,447,548	Process for recovery of free aluminum from aluminum dross or aluminum scrap using plasma energy with oxygen second stage treatment Term ended Term ended no later than Sep 5, 2015 · Low confidence	Term ended	Term ended no later than Sep 5, 2015	Low confidence
US 5,613,996	Process for treatment of reactive fines Term ended Term ended no later than Mar 25, 2017 · Low confidence	Term ended	Term ended no later than Mar 25, 2017	Low confidence
US 5,783,142	Kiln system for treatment of reactive fines Term ended Term ended no later than Jul 21, 2018 · Low confidence	Term ended	Term ended no later than Jul 21, 2018	Low confidence