Abstract: Disclosed is an anion exchange porous medium, e.g., a porous membrane, that includes a porous support and a crosslinked cationic polymer coating disposed thereon, wherein the cationic polymer of the crosslinked cationic polymer coating comprises polymerized monomer (A) and polymerized monomer (B) wherein A and B are as defined herein. Also disclosed are methods of preparing the anion exchange porous medium and of treating a fluid containing a biologic.
Abstract: Disclosed is an anion exchange porous medium, e.g., a porous membrane, that includes a porous support and a crosslinked cationic polymer coating disposed thereon, wherein the cationic polymer of the crosslinked cationic polymer coating comprises polymerized monomer (A) and polymerized monomer (B) wherein A and B are as defined herein. Also disclosed are methods of preparing the anion exchange porous medium and of treating a fluid containing a biologic.
Abstract: Disclosed is a porous medium, e.g., a bead, fiber, or membrane, comprising a porous support and a crosslinked polymer coating, wherein the polymer of the crosslinked polymer coating comprises at least one of polymerized monomer (A), at least one of polymerized monomer (B), at least one of polymerized monomer (C), wherein monomers (A)-(C) are as defined herein. Also disclosed are methods of preparing the porous medium and of treating a fluid containing a desired protein and one or more negatively charged species or of removing metals from organic solvents used in the microelectronics industry.
Abstract: Disclosed are a copolymer, porous membranes made from the copolymer, and a method of treating fluids to remove metal ions using the porous membranes, for example, from fluids originating in the microelectronics industry, wherein the copolymer includes monomeric units I and II, wherein monomeric unit I is of the formula A-X—CH2—B, wherein A is Rf—(CH2)n, Rf is a perfluoro alkyl group of the formula CF3—(CF2)x—, wherein x is 3-12, n is 1-6, X is O or S, and B is vinylphenyl, and monomeric unit II is vinylpyridine.
Type:
Grant
Filed:
August 15, 2016
Date of Patent:
March 3, 2020
Assignee:
Pall Corporation
Inventors:
Frank Okezie Onyemauwa, Hassan Ait-Haddou
Abstract: Disclosed are a copolymer, porous membranes made from the copolymer, and a method of treating fluids to remove metal ions using the porous membranes, for example, from fluids originating in the microelectronics industry, wherein the copolymer includes monomeric units I and II, wherein monomeric unit I is of the formula A-X—CH2—B, wherein A is Rf—(CH2)n, Rf is a perfluoro alkyl group of the formula CF3—(CF2)x—, wherein x is 3-12, n is 1-6, X is O or S, and B is vinylphenyl, and monomeric unit II is vinylpyridine.
Type:
Grant
Filed:
August 15, 2016
Date of Patent:
December 31, 2019
Assignee:
Pall Corporation
Inventors:
Frank Okezie Onyemauwa, Hassan Ait-Haddou
Abstract: Disclosed are a copolymer, porous membranes made from the copolymer, and a method of treating fluids using the porous membranes to remove metal ions, for example, from fluids originating in the microelectronics industry, wherein the copolymer includes polymerized monomeric units I and II, wherein monomeric unit I is of the formula A-X—CH2—B, wherein A is Rf—(CH2)n, Rf is a perfluoro alkyl group of the formula CF3—(CF2)x—, wherein x is 3-12, n is 1-6, X is O or S, and B is vinylphenyl, the monomeric unit II is haloalkyl styrene, and optionally wherein the halo group of haloalkyl is replaced with an optional substituent, for example, ethylenediamine tetra acetic acid, iminodiacetic acid, or iminodisuccinic acid.
Type:
Grant
Filed:
August 15, 2016
Date of Patent:
November 12, 2019
Assignee:
Pall Corporation
Inventors:
Frank Okezie Onyemauwa, Hassan Ait-Haddou
Abstract: Fluid impellers for biocontainers, and bioprocessing units including the impellers and biocontainers, and methods of using the impellers, are disclosed.
Abstract: Fluid treatment assemblies comprising a plurality of adjustable tensioning rod assemblies comprising tensioning rods having a tensioning nut and a locking nut threadably attached to the tensioning rods, and methods of adjusting the tension on the assemblies, are provided.
Abstract: Disclosed are a copolymer, porous membranes made from the copolymer, and a method of treating fluids using the porous membranes to remove metal ions, for example, from fluids originating in the microelectronics industry, wherein the copolymer includes polymerized monomeric units I and II, wherein monomeric unit I is of the formula A-X—CH2—B, wherein A is Rf—(CH2)n, Rf is a perfluoro alkyl group of the formula CF3—(CF2)x—, wherein x is 3-12, n is 1-6, X is O or S, and B is vinylphenyl, the monomeric unit II is haloalkyl styrene, and optionally wherein the halo group of haloalkyl is replaced with an optional substituent, for example, ethylenediamine tetra acetic acid, iminodiacetic acid, or iminodisuccinic acid.
Type:
Grant
Filed:
August 15, 2016
Date of Patent:
July 9, 2019
Assignee:
Pall Corporation
Inventors:
Frank Okezie Onyemauwa, Hassan Ait-Haddou
Abstract: Disclosed are hydrophilic porous PTFE membranes comprising PTFE and an amphiphilic copolymer of the formula (I): wherein Rf, Rh1, Rh2, Y, m, n, and o are as described herein. Also disclosed are a method of preparing hydrophilic porous PTFE membranes and a method of filtering fluids through such membranes.
Type:
Grant
Filed:
July 31, 2015
Date of Patent:
June 11, 2019
Assignee:
Pall Corporation
Inventors:
Marcin Stasiak, Hassan Ait-Haddou, Frank O. Onyemauwa, Amarnauth Singh
Abstract: Membranes having parallel channels in a surface of the membranes, wherein the channels have side walls having rough surfaces; filters and devices including at least one membrane, and methods of making and using the membranes, are disclosed.
Type:
Grant
Filed:
December 4, 2013
Date of Patent:
May 21, 2019
Assignee:
Pall Corporation
Inventors:
Gregory S. Carpenter, Munaf Tinwala, Stanley W. Kidd
Abstract: A filter assembly including an RFID tag, for use in monitoring fluid processing, as well as a system and a method for monitoring fluid processing, and a filter for use in the filter assembly, are disclosed.
Type:
Grant
Filed:
October 28, 2016
Date of Patent:
May 14, 2019
Assignee:
Pall Corporation
Inventors:
Paul J. Paluszewski, Brent VanZandt, Eric Warmuth
Abstract: A connector body for use in a connector assembly for making fluid connections includes a hollow connector body, the hollow connector body comprising a resilient deformable seal having a central aperture and a lip surrounding the central aperture; a locking mechanism integrally formed with the hollow connector body, the locking mechanism comprising at least one lug including a slot, and at least one ramp; a hollow connector first body end and a second body end; and an anti-actuation assembly engagement portion comprising at least one recess and/or at least one protrusion; and a removable anti-actuation assembly comprising at least one peel strip, and at least one recess and/or at least one protrusion, the at least one recess and/or at least one protrusion being engaged with the anti-actuation assembly engagement portion of the hollow connector body. Connector assemblies and processes for making fluid connections using the assemblies are also provided.
Type:
Grant
Filed:
March 30, 2016
Date of Patent:
April 2, 2019
Assignee:
Pall Corporation
Inventors:
Daniel Kesselaar, Charles N. Rothwell, Richard Ballard, Danniel Bowdery