Sintered porous plastic liquid barrier media and applications thereof
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United States of America Patent
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Apr 8, 2014
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Jun 5, 2012
filing date -
Jun 15, 2011
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Abstract
This application discloses porous self-sealing media comprising a sintered mixture of an absorbent material and a thermoplastic. The self-sealing media block passage of organic solvents or organic solvents in aqueous mixtures, wherein the organic solvents are at concentrations greater than about 40%. The self-sealing media also block acidic solutions. The self-sealing media are useful in a variety of applications such as a pipette tip filter, in line filter, vent, non-mechanical check valve, safety valve, and suction canister.
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