Integral Or Coated Layers Patents (Class 210/490)
  • Patent number: 11338237
    Abstract: A hollow filter element for insertion into an openable filter housing has a filter medium body configured as a hollow body surrounding an inwardly positioned flow space. At least one end disk is connected to the filter medium body and covers an axial end face of the filter medium body. A positioning element is arranged at the at least one end disk and interacts with a housing-associated blade of the filter housing. The positioning element receives the housing-associated blade with form fit in two different transverse directions relative to the longitudinal axis of the filter medium body. The positioning element has a positioning recess.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: May 24, 2022
    Assignee: MANN+HUMMEL GmbH
    Inventors: Christoph Wittmers, Nadine Donauer, Andreas Franz, Marcel Holzwarth, Pedro Miguel Pereira Madeira, Joachim-Paul Krieger, Martin Gruber, Manfred Winter, Torsten Fritzsching
  • Patent number: 11313854
    Abstract: The present invention relates to a patterned membrane structure comprising a microporous membrane layer, wherein the microporous membrane layer includes a plurality of flow lanes, the flow lanes are separated by hydrophobic separation channels, and the flow lanes and hydrophobic separation channels form a repetitive pattern; and a method for manufacture of the patterned membrane structure. The patterned membrane structure according to the present invention represents an industrial scale precursor of membranes such as a multiparameter lateral flow membrane comprising separated flow lanes.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: April 26, 2022
    Inventors: Susanne Drebing, Alfons Kesting, Dieter Melzner, Denise Van Rossum
  • Patent number: 11278848
    Abstract: A separation membrane structure has partition walls including a honeycomb shaped porous ceramic body provided with a large number of pores, and cells to become through channels of a fluid are formed by the partition walls. The cells include separation cells and slit cells. In the separation cells, the intermediate layer is disposed on the surface of a substrate, and a separation layer is further formed. The intermediate layer has a structure where aggregate particles are bonded to one another by an inorganic bonding material having a thermal expansion coefficient equal to or higher than that of the aggregate particles.
    Type: Grant
    Filed: September 23, 2014
    Date of Patent: March 22, 2022
    Assignee: NGK Insulators, Ltd.
    Inventors: Kenji Yajima, Makoto Miyahara, Tetsuya Uchikawa, Makoto Teranishi, Makiko Ichikawa, Hideyuki Suzuki
  • Patent number: 11224844
    Abstract: A porous membrane includes a modacrylic copolymer. The modacrylic copolymer includes, with respect to 100 parts by mass of all structural units constituting the modacrylic copolymer, 15 to 85 parts by mass of a structural unit derived from acrylonitrile, 15 to 85 parts by mass of a structural unit derived from at least one halogen-containing monomer selected from the group consisting of vinyl halide and vinylidene halide, and 0 to 10 parts by mass of a structural unit derived from a vinyl monomer having an ionic substituent. The porous membrane can be produced by preparing a modacrylic copolymer solution by dissolving the modacrylic copolymer in a solvent, and bringing the modacrylic copolymer solution into contact with a non-solvent for the modacrylic copolymer such that the modacrylic copolymer solution is solidified.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: January 18, 2022
    Assignee: KANEKA CORPORATION
    Inventors: Yusuke Hirai, Tadashi Kamada, Hideto Matsuyama, Li-Feng Fang, Sheng-Yao Wang
  • Patent number: 11154650
    Abstract: A dressing for treating a tissue site may include a base layer, a sealing member, a first and a second wicking layer, and an absorbent layer. The base layer may have a plurality of apertures and may be adapted to cover the tissue site. The sealing member and the base layer may define an enclosure. The first and the second wicking layer may each be disposed in the enclosure with the absorbent layer positioned between the first and the second wicking layer. A conduit comprised of an absorbent material that is vapor permeable and liquid impermeable may be in fluid communication with the dressing for providing reduced pressure to the dressing. Other dressings, systems, and methods are disclosed.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: October 26, 2021
    Assignee: KCI Licensing, Inc.
    Inventors: Timothy Mark Robinson, Christopher Brian Locke
  • Patent number: 11135546
    Abstract: Two-dimensional material based filters, their method of manufacture, and their use are disclosed. The filters may include at least one active layer disposed on a porous substrate. The at least one active layer may include intrinsic and/or intentional formed pores. In some embodiments, the flow resistance of the porous substrate may be selected to limit flow through defects and intrinsic pores in the at least one active layer.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: October 5, 2021
    Assignees: Massachusetts Institute of Technology, King Fahd University of Petroleum & Minerals
    Inventors: Rohit N. Karnik, Sean C. O'Hern, Michael S. H. Boutilier, Cameron A. Stewart, Harold S. Au, Nicolas G. Hadjiconstantinou, Tahar Laoui, Muataz A. Atieh
  • Patent number: 11103836
    Abstract: A problem to be solved by the present invention is to provide a separation membrane having excellent separation performance, having high membrane strength and high permeation performance, and mainly including a cellulose-based resin. The present invention is concerned with a separation membrane including a cellulose ester, having, in the interior thereof, voids each having a specified structure, and having a tensile elasticity of 1,000 to 6,500 MPa.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: August 31, 2021
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Koichi Takada, Gohei Yamamura, Ryuichiro Hiranabe, Hiroki Tomioka
  • Patent number: 11097228
    Abstract: The present invention relates to an acid-resistant nanomembrane with an improved flow rate and a method of producing the acid-resistant nanomembrane, and more particularly, to an acid-resistant nanomembrane with an improved flow rate, which can also be used under strong-acid and high-temperature conditions for the recovery of rare metals, valuable metals, and the like generated in a smelting process and which exhibits both excellent flow rate and excellent acid resistance, and a method of producing the acid-resistant nanomembrane.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: August 24, 2021
    Assignee: TORAY ADVANCED MATERIALS KOREA INC.
    Inventors: Hong Sub Shin, Yong Doo Jung
  • Patent number: 11052337
    Abstract: A filtration filter includes a porous metal film that filters out a filtration object contained in a fluid, and a support base member that is disposed on at least one main surface of the porous metal film and that supports the porous metal film. The support base member has an opening that exposes a part of the porous metal film. An inner peripheral surface of the opening has undulations formed along its periphery.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: July 6, 2021
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Wataru Yamamoto, Takashi Kondo, Masaru Banju
  • Patent number: 11045771
    Abstract: An object of the present invention is to provide a composite semipermeable membrane which has a high permeation rate and high salt removal performance and is excellent in terms of performance stability during long-term operation. The composite semipermeable membrane of the present invention includes: a supporting membrane including a substrate and a porous supporting layer; and a separation functional layer disposed on the porous supporting layer, the separation functional layer includes a crosslinked polyamide and a hydrophilic polymer having an acidic group, and in the separation functional layer, a ratio of (molar equivalent of amino groups)/(molar equivalent of amide groups) is 0.18 or less.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: June 29, 2021
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Jun Okabe, Koji Nakatsuji, Tsuyoshi Hamada, Masaki Higashi
  • Patent number: 11034051
    Abstract: A non-dense sintered ceramic molded body having at least two layers, wherein a first powdery ceramic material forming a layer is contacted with at least a second powdery material forming at least a second layer. The body has a color gradient and maintains dimensional stability during sintering and forming. An admixing component and a common sintering temperature are used to control the volume decrease of the layers during sintering.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: June 15, 2021
    Assignee: Vita Zahnfabrik H. Rauter GmbH & Co. KG
    Inventors: Michael Tholey, Michael Dorn, Michael Godiker, Norbert Thiel
  • Patent number: 11020712
    Abstract: The present invention relates to a polyelectrolyte multilayer (PEM) membrane comprised of at least one bilayer, wherein the bilayer is comprised of a layer of a polymeric polycation and a layer of a polymeric polyanion. Furthermore, present invention relates to methods for the production of these PEM membranes by layer-by-layer deposition and the use of these PEM membranes for the decontamination of liquids, preferably water.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: June 1, 2021
    Assignee: NX Filtration Holding B.V.
    Inventors: Joris De Grooth, Maria Gerridina Elshof, Hendrik Dirk Willem Roesink
  • Patent number: 11020709
    Abstract: The present invention relates to a composite porous hollow-fiber membrane including a first layer and a second layer which each include a fluororesin-based polymer, in which the first layer has a columnar texture oriented in a longitudinal direction of the composite porous hollow-fiber membrane, the columnar texture has an average value v of a Raman orientation parameter calculated with the specific formula, and the second layer has a three-dimensional network texture and has an average surface-pore diameter of 5.0 nm to 5.0 ?m.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: June 1, 2021
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Shun Shimura, Kenta Iwai, Masayuki Hanakawa, Tamotsu Kitade, Masahiro Kimura
  • Patent number: 10974200
    Abstract: The object of the present invention is to provide a spiral membrane element that can make a composite semipermeable membrane high in effective membrane area, and that can restrain the composite semipermeable membrane from being lowered in rejection ratio by a deformation of this membrane while ensuring the flow rate of a permeation liquid flowing in a permeation-side flow-channel sufficiently. The spiral membrane element comprises a layered body which comprises a composite semipermeable membrane, a supply-side flow-channel member, and a permeation-side flow-channel member; and the permeation-side flow-channel member comprises a tricot knitted fabric having a plurality of ribs each formed by repeating loops in a linear form in a longitudinal direction, and a plurality of grooves present between the ribs; has a membrane support index of 60 to 135, the membrane support index being calculated in accordance with the specified numerical relationship.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: April 13, 2021
    Assignee: NITTO DENKO CORPORATION
    Inventors: Mieko Nishi, Yuha Okazaki, Masashi Echizen
  • Patent number: 10973993
    Abstract: An intravenous delivery system may have a liquid source containing a liquid, tubing, and an anti-run-dry membrane positioned such that the liquid, flowing form the liquid source to the tubing, passes through the anti-run-dry membrane. The anti-run-dry membrane may have a plurality of pores through which the liquid flows, and may be formed of a hydrophilic material that resists passage of air through the pores. The intravenous delivery system may further have a bubble point raising component that raises the bubble point of the anti-run-dry membrane. The bubble point raising component may, in some embodiments, be a high surface energy coating or additive.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: April 13, 2021
    Assignee: Becton, Dickinson and Company
    Inventors: Shaun Staley, Weston O. Whitaker, Jon Larsen
  • Patent number: 10974205
    Abstract: A composite semipermeable membrane includes a porous supporting membrane and a separation functional layer, in which, in cross-sections having a length of 2.0 ?m in a membrane surface direction, the average number density of projections in the separation functional layer which have a height of one-fifth or more of the 10-point average surface roughness is 10.0-30.0 projections/?m and the projections have an average height less than 100 nm, and in which a water production rate and a salt rejection are predetermined values or more after an aqueous solution is passed through under certain conditions.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: April 13, 2021
    Assignee: Toray Industries, Inc.
    Inventors: Harutoki Shimura, Yoshie Marutani, Koji Nakatsuji, Kiyohiko Takaya, Masakazu Koiwa, Takao Sasaki, Masahiro Kimura
  • Patent number: 10974206
    Abstract: In order to provide a composite semipermeable membrane which combines strength and water permeability, the present invention provides a composite semipermeable membrane including: a supporting membrane including a substrate and a porous support; and a separation functional layer disposed on the porous support, in which the substrate has a weight A per unit area, a portion of the porous support which is located within the substrate has a weight B per unit area, and a sum of the weight A and the weight B, (A+B), is 30 to 100 g/m2, and a ratio between the weight A and the weight B, B/A, is 0.10 to 0.60.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: April 13, 2021
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Shuji Furuno, Yoshiki Okamoto, Hiroho Hirozawa, Masahiro Kimura, Takao Sasaki
  • Patent number: 10960360
    Abstract: By having a coating layer, this composite semipermeable membrane has fouling resistance easily maintainable before and after contact with acid, and enables stable operation over a long period of time. This composite semipermeable membrane comprises a porous support layer, a separation function layer arranged on the porous support layer, and a coating layer arranged on the separation function layer, wherein the separation function layer contains a crosslinked aromatic polyamide which is a polycondensate of polyfunctional aromatic amines and polyfunctional aromatic acid chloride, and the coating layer contains an aliphatic polymer having the structure (I) in the description.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: March 30, 2021
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Harutoki Shimura, Yoshiki Nishiguchi, Yohei Adachi, Takahiro Tokuyama, Kohei Kuraoka
  • Patent number: 10940443
    Abstract: The present disclosure relates, according to some embodiments, to systems, apparatus, and methods for fluid purification (e.g., water) with a ceramic membrane. For example, the present disclosure relates, in some embodiments, to a cross-flow fluid filtration assembly comprising (a) membrane housing comprising a plurality of hexagonal prism shaped membranes (b) an inlet configured to receive the contaminated fluid and to channel a contaminated fluid to the first end of the plurality of hexagonal prism shaped membranes, and (c) an outlet configured to receive a permeate released from the second end of the plurality of hexagonal shaped membranes. The present disclosure also relates to a cross-flow fluid filtration module comprising a fluid path defined by a contaminated media inlet chamber, a fluid filtration assembly positioned in a permeate chamber and a concentrate chamber.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: March 9, 2021
    Assignee: 1934612 Ontario Inc.
    Inventors: Anthony L. Powell, Brian E. Butters
  • Patent number: 10913034
    Abstract: A separation membrane (10) of the present disclosure includes: a separation functional layer (30) composed of a polyamide containing, as a monomer unit, at least one selected from the group consisting of piperazine and a piperazine derivative; and a coating (40) covering the separation functional layer (30) and containing a polymer having a repeating unit represented by the following formula (1). In the formula (1), N+ is a nitrogen atom constituting a quaternary ammonium cation, and R1 and R2 are each independently a substituent containing a carbon atom bonded to the nitrogen atom.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: February 9, 2021
    Assignee: NITTO DENKO CORPORATION
    Inventors: Tomotsugu Miyabe, Atsuhito Komoto
  • Patent number: 10890498
    Abstract: The invention relates to a sensor for a physical feature, comprising a structure, preferably a multilayer structure, comprising: at least one electrically conductive layer, comprising nanofillers in a polymer matrix including at least one polymer, and electrical connection means, said structure being thermosetting, thermoplastic, or being a cross-linkable elastomer, characterised in that, when the structure is thermosetting, the degree of cross-linking thereof is higher than 80%, better still higher than 90%, or even 95%; when the structure is a cross-linkable elastomer it includes an amount of cross-linking agent ranging from 5 mol. % to 20 mol. % relative to the number of moles in the structure; and when the structure is thermoplastic, it has a constant resistivity value and preferably a degree of crystallinity ranging from 0% to 60%.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: January 12, 2021
    Assignee: UNIVERSITE DE BRETAGNE SUD
    Inventors: Gabriel Benech, Jean-Marc Legrand, Jean-François Feller, Mickaël Castro, Tran Than Tung
  • Patent number: 10799837
    Abstract: The problem addressed by the present invention is to provide a separation membrane with superior permeation performance and separation performance and having few occurrences of defects. The present invention relates to a separation membrane wherein: the separation membrane has a layer (I) with a thickness of 0.5-100 ?m; letting, in a cross-section in the direction of thickness of the layer (I), region a be a region with a depth of 50-150 nm from a surface (surface A), region b a region with a depth of 50-150 nm from the other surface (surface B), and region c a region with a thickness of 100 nm where the depth from both surfaces is the same, the average pore diameter Pa for region a and the average pore diameter Pb for region b are both 0.3-3.0 nm and the average pore diameter Pc for region c is 3.0 nm or less; and the percentage of open area Ha for region a, the percentage of open area Hb for region b, and the percentage of open area Hc for region c satisfy the following equations.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: October 13, 2020
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Gohei Yamamura, Koichi Takada, Hiroki Tomioka
  • Patent number: 10786786
    Abstract: The present invention relates to a method for manufacturing a composite membrane using a selective layer prepared through the interfacial polymerization (support-free interfacial polymerization) on a free interface without a support and, more specifically, to a method for manufacturing a composite membrane comprising a reverse osmotic membrane, which is obtained by preparing a selective layer through a spontaneous reaction of two organic monomers on an interface between two immiscible solutions and allowing the selective layer to adhere to a support. By employing the method for manufacturing a composite membrane having a selective layer prepared through the support-free interfacial polymerization according to the present invention, a high-functional reverse osmotic membrane can be prepared using various supports other than a conventional polysulfone support, thereby extending the application range of the reverse osmotic membrane, which has been restricted due to low chemical resistance of polysulfone.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: September 29, 2020
    Assignee: Korea University Research and Business Foundation
    Inventors: Jung-hyun Lee, Jong Suk Lee, Wan Suk Choi
  • Patent number: 10780403
    Abstract: A composite separation membrane is disclosed prepared by forming a separation layer on a surface of a porous support membrane, characterized in that the porous support membrane contains 50% by mass or more of polyphenylene ether; that the separation layer is constituted from a first separation layer and a second separation layer; that the first separation layer is formed with a thickness of from 50 nm to 1 ?m on the surface of the porous support membrane and is a sulfonated polyarylene ether copolymer which comprises a repeated structure of a specific hydrophobic segment and a specific hydrophilic segment; and that the second separation layer is formed with a thickness of from 1 nm to less than 50 nm on a surface of the first separation layer and is an alternately-layered product constituted from one or more kinds of ionomers.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: September 22, 2020
    Assignee: TOYOBO CO., LTD.
    Inventor: Takashi Ohkame
  • Patent number: 10759715
    Abstract: Described herein is a scalable, economic, energy and time efficient method for the synthesis of a crystalline uniform nanoporous oxide material by utilizing colloidal particles in solution combustion synthesis. By removing colloids from nanocomposite via chemical etching crystalline uniform porous oxide is prepared with tailored porosity. The produced oxides have high specific surface area, high pore volume, uniform pore structure and high crystallinity. Properties of the oxide can be tuned by the concentration and size of colloids added, which affects the porous structure (mesopore diameter, pore wall thickness, surface area, and pore volume). In principle, this method can be applied to synthesize different high porosity crystalline metal oxides and nanocomposites.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: September 1, 2020
    Assignee: THE UNIVERSITY OF HONG KONG
    Inventors: Kwong Yu Chan, Albert Voskanyan, Chi Ying Vanessa Li
  • Patent number: 10751672
    Abstract: The present invention provides a gas-permeable membrane comprising a partial structure represented by formula (I) or formula (II), (wherein R1 and R2 each independently represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, an alkenyl group having 2 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, an alkenyloxy group having 2 to 6 carbon atoms, an aryl group or an aryloxy group, M1, M2 and M3 each independently represents a metal atom, m1 represents an integer, n1, n2 and n3 each independently represents an integer of 1 to 3, * represents a bonding hand), a composition for forming the gas-permeable membrane and a production process of the gas-permeable membrane.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: August 25, 2020
    Assignees: NANOMEMBRANE TECHNOLOGIES, INC., TOKYO OHKA KOGYO CO., LTD.
    Inventors: Shigenori Fujikawa, Selyanchyn Roman, Takahiro Senzaki, Takuya Noguchi, Toshiyuki Ogata
  • Patent number: 10751669
    Abstract: The present invention is an integral multilayered composite membrane having at least one ultrafiltration layer made by cocasting or sequentially casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath to effect phase separation and form a multilayered composite membrane having at least one ultrafiltration layer.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: August 25, 2020
    Assignee: EMD MILLIPORE CORPORATION
    Inventors: Gabriel Tkacik, Philip Goddard, Willem Kools, Nitin Satav
  • Patent number: 10751662
    Abstract: Provided is a gas filter, which includes an adsorptive membrane for adsorbing foreign substances contained in a gas, wherein the adsorptive membrane has a corrugated structure folded in a number of times or a structure having a plurality of projections, in order to increase a contact surface area of the gas per unit area, and wherein the adsorptive membrane includes: a support member having a plurality of first pores; and a first adsorptive member which is stacked on the support member and has a plurality of second pores formed therein and which is made by accumulating ion exchange nanofibers for adsorbing foreign substances.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: August 25, 2020
    Assignee: AMOGREENTECH CO., LTD.
    Inventors: In Yong Seo, Ui Young Jeong
  • Patent number: 10739381
    Abstract: A method of conductively bonding a test probe tip having an electrically conductive element to a device under test (DUT) having an electrical connection point, the method comprising: positioning the electrically conductive element of the test probe tip proximate to the electrical connection point of the DUT; dispensing a UV-cure conductive adhesive between the electrically conductive element and the electrical connection point of the DUT, the dispensed UV-cure conductive adhesive continuously covering at least a portion of the electrically conductive element and at least a portion of the electrical connection point of the DUT; and bonding the dispensed UV-cure conductive adhesive to the electrically conductive element and the electrical connection point of the DUT by applying UV-light from a UV-light source to the dispensed UV-cure conductive adhesive.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: August 11, 2020
    Assignee: Tektronix, Inc.
    Inventors: Julie A. Campbell, Regina R. Mrozik
  • Patent number: 10729822
    Abstract: Disclosed herein are compositions to use in biofouling-resistant coatings, biofouling-resistant coatings, methods of making biofouling-resistant coatings, biofouling-resistant devices, and methods of making biofouling-resistant devices.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: August 4, 2020
    Assignees: The Regents of the University of California, Hydrophilix, Inc.
    Inventors: Richard B. Kaner, Dayong Chen, Brian T. McVerry, Ethan Rao, Alexandra L. Polasko
  • Patent number: 10723893
    Abstract: A composite structure is provided, which includes a support, an active layer wrapping the support, a dendrimer grafted to the active layer through covalent bondings, and a plurality of anti-fouling groups, wherein each of the anti-fouling groups is grafted to terminals of the dendrimer through covalent bondings. The terminals of the dendrimer include amino group, hydroxyl group, or thiol group.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: July 28, 2020
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jen-You Chu, Chia-Le Wu, Feng-Sheng Kao, Chin-Ping Huang, Yi-Chun Chen
  • Patent number: 10702647
    Abstract: Filtering systems, methods, and devices, particularly adapted for apheresis of cellular bodies and more specifically for apheresis of circulating tumor cell bodies (CTCs) employs a cross-flow channel. Systems and methods as well as devices for such a system are described. Embodiments include a cylindrical filter that employs a thin micro-machined porous filter membrane with a regular array of pores and reliably pass blood while trapping CTCs.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: July 7, 2020
    Assignee: Viatar LLC
    Inventors: Stephen S. Keaney, Katherine J. Soojian, Russell W. Bowden, Ilan K. Reich
  • Patent number: 10688445
    Abstract: A zeolite membrane structure includes a porous support, and a zeolite membrane. The zeolite membrane has a first zeolite layer located in a surface of the porous support, and a second zeolite layer located outside of the surface of the porous support and integrally formed with the first zeolite layer. The porous support has an outermost layer in which the first zeolite layer is located. An average thickness of the first zeolite layer is less than or equal to 5.4 micrometers. An average pore diameter of the outermost layer is greater than or equal to 0.050 micrometers and less than or equal to 0.150 micrometers.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: June 23, 2020
    Assignee: NGK Insulators, Ltd.
    Inventors: Ryujiro Nagasaka, Hideyuki Suzuki, Akimasa Ichikawa, Shinji Nakamura
  • Patent number: 10682640
    Abstract: Solid supports and ligands are provided for purification of biomolecules by mixed-mode anion exchange-hydrophobic chromatography. Compositions can have the formula Support-(X)—N(R1, R2)-R3-L-Ar, or a salt thereof, wherein: Support is a chromatographic solid support; X is a spacer or absent; R1 and R2 are each selected from hydrogen and an alkyl comprising 1-6 carbons; R3 is an alkyl comprising 1-6 carbons or a cyclo alkyl comprising 1-6 carbons; L is NR4, O, or S; wherein R4 is hydrogen or an alkyl comprising 1-6 carbons; and Ar is an aryl. Methods are also provided for using solid supports and ligands to purify biomolecules such as monomeric antibodies.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: June 16, 2020
    Assignee: Bio-Rad Laboratories, Inc.
    Inventors: Jiali Liao, Russell Frost
  • Patent number: 10675575
    Abstract: In a method for producing a filter medium, at least one substrate layer of a nonwoven comprising cellulose fibers and/or synthetic polymer fibers is provided and a fiber layer of polymer fibers is deposited on the at least one substrate layer. Prior to depositing the fiber layer, a solvent is applied to the at least one substrate layer, wherein a material of the substrate layer and/or a material of the fiber layer is soluble in the solvent. A filter medium produced by the method has material-fused connections at crossing points of the polymer fibers and/or cellulose fibers of the substrate layer with the polymer fibers of the fiber layer.
    Type: Grant
    Filed: February 19, 2018
    Date of Patent: June 9, 2020
    Assignee: MANN+HUMMEL GmbH
    Inventors: Jens Neumann, Anton Kreiner, Markus Weindl, Christian Zisslsberger
  • Patent number: 10668694
    Abstract: The present invention relates to a composite film comprising a graphene oxide coating layer, a porous polymer support comprising the same, and a method for preparing the same. More particularly, the present invention relates to a composite film comprising a graphene oxide coating layer with improved permeability and stability, a porous polymer support for a composite film comprising a graphene oxide coating layer with improved permeability, and a method for preparing the same.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: June 2, 2020
    Assignee: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Ho Bum Park, Hyo Won Kim, Younghoon Cho, Byung Min Yoo, Yoon Sung Hwang
  • Patent number: 10654004
    Abstract: This invention provides a new high flux reverse osmosis (RO) membrane comprising a nanoporous polyethersulfone (PES)/polyethylene oxide-polysilsesquioxane (PEO-Si) blend support membrane (PES/PEO-Si) comprising a polyethylene oxide-polysilsesquioxane (PEO-Si) polymer and a polyethersulfone (PES) polymer, a hydrophilic polymer inside the pores on the skin layer surface of the polyethersulfone/polyethylene oxide-polysilsesquioxane blend support membrane, and a thin, nanometer layer of cross-linked polyamide on the skin layer surface of said polyethersulfone/polyethylene oxide-polysilsesquioxane blend support membrane, and a method of making such a membrane. This invention also provides a method of using the new high flux reverse osmosis membrane comprising nanoporous PES/PEO-Si blend support membrane for water purification.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: May 19, 2020
    Inventors: Chunqing Liu, Nicole K. Karns, Howie Q. Tran, Dung Le
  • Patent number: 10625217
    Abstract: The present invention provides a composite separation membrane having a separation layer formed of SPAE on the surface of a porous support membrane wherein the porous support membrane and a coat of SPAE are firmly adhered with each other so that separation property and water permeation property continue for a long period. The present invention is a composite separation membrane having a separation layer on the surface of a porous support membrane, characterized in that said porous support membrane contains 50% by mass or more of polyphenylene ether, and that said separation layer is formed of a sulfonated polyarylene ether copolymer constituted from a repeating structure of a specific hydrophobic segment and a specific hydrophilic segment. The composite separation membrane of the present invention is suitable as a liquid treating membrane such as a nanofiltration membrane and a reverse osmosis membrane.
    Type: Grant
    Filed: August 20, 2013
    Date of Patent: April 21, 2020
    Assignee: TOYOBO CO., LTD.
    Inventors: Takashi Ohkame, Takahito Nakao, Seiji Watanuki
  • Patent number: 10603425
    Abstract: A fluid filtration system comprising a cross-flow filter is arranged to permit a first pump to recirculate part of the retentate of the filter to the inlet of the cross-flow filter and a second pump to return part of the permeate to the inlet of the cross-flow filter. A third pump is configured supply source fluid to the inlet of the filter. The flow path between the second pump and the cross-flow filter inlet may include an adsorption filter that may selectively remove contaminants, toxins, or pathogens in the permeate. A controller may control the first, second and third pumps to provide predetermined flow ratios among the fluid flow paths of the system in order to achieve a desired filtration level. This system may be applicable to the removal of harmful substances from blood, by first separating the plasma from the blood and then removing harmful substances from the plasma.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: March 31, 2020
    Assignee: DEKA Products Limited Partnership
    Inventors: Rodney S. Kenley, Ryan K. LaRocque, Andrew A. Schnellinger
  • Patent number: 10589232
    Abstract: A forward osmosis membrane characterized in that a thin membrane layer having the performance of a semi-permeable membrane is laminated on a polyketone support layer.
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: March 17, 2020
    Assignees: ASAHI KASEI KABUSHIKI KAISHA, NATIONAL UNIVERSITY CORPORATION KOBE UNIVERSITY
    Inventors: Toru Morita, Masayuki Kaneda, Masahiro Yasukawa, Hideto Matsuyama
  • Patent number: 10583219
    Abstract: A multilayer bioabsorbable construct is provided that includes at least one top layer, at least one chorion membrane layer, at least one basement layer, and at least one support layer between the chorion membrane layer and basement layer. Various therapeutic uses of the multilayer bioabsorbable construct are also provided.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: March 10, 2020
    Assignee: Brahm Holdings, LLC
    Inventor: Timothy R. Brahm
  • Patent number: 10569205
    Abstract: A separator for a separator device, for example a final separator for a final separator device for separating water from a liquid such as oil and/or fuel, may include a filter body including at least one filter material through which the liquid can flow. The filter body may have a first side and a second side. A nanofibre layer may be disposed on the first side in at least one region. The nanofibre layer may be configured hydrophobic. According to an implementation, the nanofibre layer is treated to produce the hydrophobic property. The filter body may have a porosity on the first side that is smaller than on the second side.
    Type: Grant
    Filed: August 26, 2015
    Date of Patent: February 25, 2020
    Assignee: Mahle International GmbH
    Inventors: Birgit Renz, Peter Koppi, Mathias Kollmann, Julia Santer
  • Patent number: 10538920
    Abstract: The method includes dispersing copper or other material ions through the water receiving area of a gutter guard for the prevention of moss or mold growth. The method includes the utilization of thread(s) sewn into or embroidered onto or otherwised affixed to or immediately preceding the water receiving areas of a gutter guard, such thread(s) being comprised of moss killing materials. The thread(s) comprise only a portion of the water receiving area, so if corrosive elements form and wash over the water receiving area, they will be in sufficient amounts to kill moss but not in so great an amount as to clog any water receiving apertures. The method includes the utilization of staples or other objects comprised of copper or other moss killing materials fastened to or adhered or welded to the body or water receiving areas of a gutter guard or areas immediately preceding such.
    Type: Grant
    Filed: December 23, 2011
    Date of Patent: January 21, 2020
    Inventor: Karen M. Sager
  • Patent number: 10537875
    Abstract: The invention relates to devices, systems, and methods for recharging zirconium phosphate and/or zirconium oxide in reusable sorbent modules. The devices, systems, and methods provide for precision recharging of the zirconium phosphate and/or zirconium oxide to avoid the need of excess recharge solutions. The devices systems and methods also provide for calculation of the volumes of recharge solution needed for fully recharging the zirconium phosphate and zirconium oxide modules.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: January 21, 2020
    Assignee: Medtronic, Inc.
    Inventors: Bryant J. Pudil, Christopher M. Hobot, Martin T. Gerber
  • Patent number: 10537857
    Abstract: The present invention relates to a method of preparing a nanocomposite membrane, comprising: (a) providing a nanocomposite solution comprising a polymer solution and nanomaterials; (b) subjecting the nanocomposite solution to a cold water bath to produce the nanocomposite membrane in a gel-like form; and (c) subjecting the gel nanocomposite membrane to a heat treatment to solidify the nanocomposite membrane, wherein the nanomaterials are dispersed within the polymer matrix of the nanocomposite membrane.
    Type: Grant
    Filed: April 25, 2011
    Date of Patent: January 21, 2020
    Assignee: NANYANG TECHNOLOGICAL UNIVERSITY
    Inventors: Darren Delai Sun, Zhaoyang Liu
  • Patent number: 10533253
    Abstract: A fluid permeable anodic oxide film includes a plurality of regularly-disposed pores formed by anodizing metal and a plurality of permeation holes having an inner width larger than an inner width of the pores and extending through the fluid permeable anodic oxide film. Also provided is a fluid permeable body which makes use of the fluid permeable anodic oxide film.
    Type: Grant
    Filed: December 5, 2016
    Date of Patent: January 14, 2020
    Assignee: Point Engineering Co., Ltd.
    Inventors: Bum Mo Ahn, Seung Ho Park, Sung Hyun Byun
  • Patent number: 10525417
    Abstract: Nanoporous selective sol-gel ceramic membranes, selective-membrane structures, and related methods are described. Representative ceramic selective membranes include ion-conductive membranes (e.g., proton-conducting membranes) and gas selective membranes. Representative uses for the membranes include incorporation into fuel cells and redox flow batteries (RFB) as ion-conducting membranes.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: January 7, 2020
    Assignee: University of Washington
    Inventors: Gregory M. Newbloom, Aaron F. West, Ryan Kastilani, Canfeng Wei, Jaime Rodriguez, Lilo D. Pozzo, Lauren Martin
  • Patent number: 10509219
    Abstract: The present disclosure relates to the display technical field and discloses specifically an electrowetting display apparatus, comprising: an electrowetting casing including a black oil layer to which an ultraviolet absorbing material is added; an ultraviolet light source arranged at a lower side of the electrowetting casing, for emitting ultraviolet (UV) light upwards; and a colored fluorescent layer arranged at an upper side of the electrowetting casing. By means of the electrowetting display apparatus in the present disclosure, wherein the ultraviolet light source emits UV light, the ultraviolet absorbing material in the black oil layer absorbs the UV light when the black oil layer spreads, and the colored fluorescent layer displays colors when the black oil layer is applied with electric power and then contracts, such that no colored membrane is necessary to achieve a colored display, and thus an outstanding display effect can be realized.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: December 17, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Weili Zhao
  • Patent number: 10507438
    Abstract: Disclosed are a composite membrane and a method of manufacturing the same. More particularly, disclosed are a composite membrane, which includes a porous support and an active layer deposited on a surface of the porous support, and a method of manufacturing the composite membrane using concentration polarization of a network-nanoparticle-dispersed organic sol-containing solution on a surface of the porous support.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: December 17, 2019
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Ji-Woong Park, Jae-Sung Bae
  • Patent number: 10486992
    Abstract: A membrane bioreactor (MBR) has membranes comprising a supporting structure. A supply unit doses a sorbent such as powdered activated carbon (PAC) into the MBR. The PAC is maintained at a concentration in the mixed liquor of 200 mg/L or more. Mixed liquor with the sorbent particles recirculates within the MBR at a flow rate of at least twice the feed flow rate. Air bubbles are provided to scour the membranes including during at least part of a permeation step. The sorbent particles are present in the mixed liquor and contact the membranes. Bioaugmentation products may be immobilized on PAC or other carriers and then added to an MBR or other bioreactors.
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: November 26, 2019
    Assignee: BL TECHNOLOGIES, INC.
    Inventors: Sijing Wang, Nicholas William H. Adams, Jeffrey Gerard Peeters, Wajahat Hussain Syed, Lei Wang, Ying Zhou