Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 15, 2019
Patent Application Number
15839911
Date Filed
December 13, 2017
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
A method for purifying a reclaimed polyethylene is provided. The method involves obtaining reclaimed polyethylene, contacting it with a first fluid solvent to produce an extracted reclaimed polyethylene then dissolving the extracted reclaimed polyethylene in a solvent to produce a first solution comprising polyethylene and suspended contaminants. The first solution is settled to produce a second solution comprising polyethylene and remaining contaminants. The second solution is purified by contacting the second solution with solid media to produce a third solution comprising purer polyethylene. Finally, the purer polyethylene is separated from the third solution.
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