Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Eric Fassiau0
Bernard Vandenhende0
Date of Patent
August 4, 2009
0Patent Application Number
115785220
Date Filed
April 14, 2005
0Patent Primary Examiner
Patent abstract
Process for the solvent treatment of a plastic, by dissolving the plastic with a solvent and with at least one phase separation agent compatible with the solvent to form a solution, precipitating the plastic by contacting the solution with at least one non-solvent so as to obtain a solvent/non solvent mixture containing precipitated plastic particles, and substantially eliminating the solvent from the mixture and recovering solid plastic particles. After dissolution but before substantially eliminating the solvent a stripping takes place during which at least a substantial portion of the PSA is removed from the solution or from the mixture using a stripping composition.
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