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US 2006/0231477 A1Published application
Removal of contaminants from a lipophilic fluid
AssigneeThe Procter & Gamble Company
InventorsDewey Burton, Arseni Radomyselski, Paul Amaat France
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Abstract
The present invention relates to processes for removing contaminants from lipophilic fluids, adsorbent materials employed in such processes, and lipophilic fluids produced by such processes.
Claims28
A filter for removing a contaminant from a lipophilic fluid comprising a first adsorbent material comprising a polar agent and an apolar agent and a second adsorbent material comprising a charged agent containing anionic or zwitterionic substituents.
Dependencies are inferred from the claim text.