Filter module with degassing feature
First Claim
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1. A pressurizable filter module for high purity filtration of aqueous media which is adapted for high pressure testing of its integrity, said module comprising a housing, a cartridge filter element, a liquid feed inlet port, a liquid feed inlet plenum, a liquid filtrate port, a gas-tight manually closeable degassing fitting, and a hydrophobic membrane between said inlet plenum and said degassing fitting, said hydrophobic membrane being secured on its periphery to said housing.
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Abstract
There is disclosed a pressurizable filter module for aqueous media having a degassing feature, the improvement comprising the use of a hydrophobic membrane between the inlet plenum of the filter module and the pressure relief valve.
231 Citations
2 Claims
- 1. A pressurizable filter module for high purity filtration of aqueous media which is adapted for high pressure testing of its integrity, said module comprising a housing, a cartridge filter element, a liquid feed inlet port, a liquid feed inlet plenum, a liquid filtrate port, a gas-tight manually closeable degassing fitting, and a hydrophobic membrane between said inlet plenum and said degassing fitting, said hydrophobic membrane being secured on its periphery to said housing.
Specification
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Current AssigneeSartorius Stedim Biotech GmbH (Sartorius AG)
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Original AssigneeSartorius AG
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InventorsSchaefer, Peter, Goddard, Norman H.
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Primary Examiner(s)Fortuna, Ana M.
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Application NumberUS08/263,798Time in Patent Office518 DaysField of Search210/321.6, 210/321.76, 210/321.84, 210/435, 210/436, 210/446, 210/451, 210/453, 210/472, 210/475, 96/155US Class Current210/321.75CPC Class CodesB01D 36/001 Filters in combination with...
