Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 26, 2021
Patent Application Number
16423220
Date Filed
May 28, 2019
Patent Citations
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method for purifying a reclaimed polypropylene is disclosed. In one embodiment, the method involves obtaining reclaimed polypropylene, contacting the reclaimed polypropylene with a first fluid solvent to produce an extracted reclaimed polypropylene; then dissolving the extracted reclaimed polypropylene in a solvent to produce a first solution comprising polypropylene. The first solution is settled and then filtered. A purer polypropylene is separated from the resulting solution.
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