Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Cha P. Doh0
Kwok-Shun Cheng0
Alicia Briggs LaForge0
Date of Patent
December 18, 2007
Patent Application Number
10489214
Date Filed
September 26, 2002
Patent Citations Received
Patent Primary Examiner
Patent abstract
An exchange apparatus comprised of hollow thermoplastic tubes infusion bonded into a thermoplastic material is disclosed. In a preferred embodiment the hollow tubes are shaped by plaiting the tubes into cords and then thermally annealing the cords to set the crests and bends of the plait. The cords provide improved flow distribution of fluid about the hollow tube tubes in the exchange apparatus. The exchange apparatus is chemically inert and is useful for cross flow filtration, as well as heat and mass transfer in harsh chemical environments.
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