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公开(公告)号：EP2603611A4
公开(公告)日：2014-08-27
申请号：EP11816795
申请日：2011-07-29
申请人： EMD MILLIPORE CORP
发明人： KAS ONUR Y , KOZLOV MIKHAIL , TKACIK GABRIEL , MOYA WILSON , GODDARD PHILIP , LEON SHERRY ASHBY , HAO JIBIN
CPC分类号： B01D39/1623 , A61L2/022 , B01D39/00 , B01D39/04 , B01D39/14 , B01D39/16 , B01D39/1607 , B01D39/1615 , B01D39/18 , B01D61/14 , B01D67/0004 , B01D67/002 , B01D69/02 , B01D69/10 , B01D2239/0208 , B01D2239/0216 , B01D2239/025 , B01D2239/0442 , B01D2239/0631 , B01D2239/10 , B01D2239/1233 , B01D2323/39 , B01D2323/42 , B01D2325/20 , C12N7/00 , C12N2740/16051 , D01D1/02 , D01D5/0092 , D01F6/96 , D10B2505/04
摘要： A method for removing retroviruses from liquid samples and a nanofiber containing liquid filtration medium that simultaneously exhibits high liquid permeability and high microorganism retention is disclosed. Retroviruses are removed from a liquid by passing the liquid through a porous nanofiber containing filtration medium having a retrovirus LRV greater than about 6, and the nanofiber(s) has a diameter from about 10 nm to about 100 nm. The filtration medium can be in the form of a fibrous electrospun polymeric nanofiber liquid filtration medium mat.
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公开(公告)号：EP3160612A4
公开(公告)日：2018-01-03
申请号：EP15812262
申请日：2015-06-23
申请人： EMD MILLIPORE CORP
发明人： GIGLIA SAL , NHIEM DAVID , ASHBY LEON SHERRY , TKACIK GABRIEL
CPC分类号： B01D39/1623 , B01D2239/025 , B01D2239/0631 , B01D2239/065
摘要： A fluid filtration device containing a composite filter media having a coarse porous polymeric nonwoven interlayer located between first and second polymeric fiber containing filter mats. The fiber diameters of the fibers in the first and second filter mats are different from each other, and each filter mat has a different pore size rating. The first and second polymeric fibers in the filter mats can be electrospun nanofibers. The interlayer has a coarser pore size when compared to the either the first or second filter mats, such that the resulting composite media has an increased dirt holding capacity compared to filter layers that are layered directly over each other without the presence of a coarse interlayer therebetween.
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公开(公告)号：EP2734290A4
公开(公告)日：2015-03-25
申请号：EP12814718
申请日：2012-07-23
申请人： EMD MILLIPORE CORP
发明人： KAS ONUR Y , KOZLOV MIKHAIL , TKACIK GABRIEL , NHIEM DAVID , GODDARD PHILIP , LEON SHERRY ASHBY
CPC分类号： B01D69/02 , B01D67/0004 , B01D2239/025 , B01D2239/0618 , B01D2239/0631 , B01D2239/0654 , B01D2323/39 , C02F1/444 , C02F2303/04
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公开(公告)号：EP2928577A4
公开(公告)日：2016-08-17
申请号：EP13863417
申请日：2013-12-10
申请人： EMD MILLIPORE CORP
发明人： KOZLOV MIKHAIL , TKACIK GABRIEL , KAS ONUR Y , POTTY AJISH , PATEL JIGNESHKUMAR
CPC分类号： B01D71/56 , A61L2/022 , B01D39/1623 , B01D61/145 , B01D67/0004 , B01D69/06 , B01D2239/025 , B01D2239/0631 , B01D2239/0654 , B01D2239/1233 , B01D2323/39
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公开(公告)号：EP2694196A4
公开(公告)日：2014-11-19
申请号：EP12765651
申请日：2012-03-30
申请人： EMD MILLIPORE CORP
发明人： KAS ONUR Y , KOZLOV MIKHAIL , TKACIK GABRIEL , NHIEM DAVID , LEON SHERRY ASHBY , GODDARD PHILIP
CPC分类号： B01D69/12 , B01D71/56 , B01D2323/39 , B01D2325/02 , D01D5/0084
摘要： A composite liquid filtration platform including a composite filtration medium featuring an electrospun polymeric nanofiber layer collected on a porous membrane. When in use, the porous membrane acts as a prefilter used upstream from the polymeric nanofiber layer to remove particles from a liquid stream flowing through the composite filtration structure. The nanofiber layer, positioned downstream from the porous membrane, is used as the retentive layer for critical filtration to provide biosafety assurance, and is responsible for capturing microorganisms like bacteria, mycoplasma or viruses. The composite liquid filtration platform provided herein exhibits permeability advantages over conventional porous membranes or nanofiber mats spun on coarse non-wovens.
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