Gas separation: apparatus – Apparatus for selective diffusion of gases – Membrane to degasify liquid
Reexamination Certificate
2008-06-12
2011-12-13
Hill, Jr., Robert J (Department: 1776)
Gas separation: apparatus
Apparatus for selective diffusion of gases
Membrane to degasify liquid
C096S007000, C095S046000
Reexamination Certificate
active
08075675
ABSTRACT:
A gas extraction apparatus provides for reliable and accurate extraction of gases dissolved in fluids and routing the extracted gas to an analytical instrument. An extraction module comprises one or more fluorosilicone membranes molded into the shape of a flattened disk. The membranes are retained in a housing in a spaced apart relationship. The membrane is permeable to target gas(es), but not to the fluid. Porous support members support the membranes and prevent damage to them and the housing defines separate fluid flow paths for the fluid and the gas extracted from it.
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International Search Report and Written Opinion from co-pending PCT application No. PCT/US2009/03413, Mailed Aug. 4, 2004.
Mahoney Steven
Waters Thomas
Hancock Hughey LLP
Hill, Jr. Robert J
Jones Christopher P
Serveron Corporation
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