Hollow Fiber Or Cylinder Patents (Class 96/10)
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Patent number: 12052829Abstract: The method for manufacturing a number of electrical nodes, wherein the method includes providing a number of electronic circuits onto a first substrate, such as on a printed circuit board or other electronics substrate, optionally, a low-temperature co-fired ceramic substrate, wherein each one of the electronic circuits includes a circuit pattern and at least one electronics component in connection with the circuit pattern, wherein the electronic circuits are spaced from each other on the first substrate, thereby defining a blank area surrounding each one of the number of electronic circuits, respectively, and providing potting or casting material to embed each one of the number of electronic circuits in the potting or casting material, and, subsequently, hardening, optionally including curing, the potting or casting material to form a filler material layer of the number of electrical nodes.Type: GrantFiled: March 28, 2023Date of Patent: July 30, 2024Assignee: TACTOTEK OYInventors: Tomi Simula, Tapio Rautio
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Patent number: 12048954Abstract: A scraping tip is attached to a blow gun. The scraping tip includes a neck and a head attached to the neck. The neck is hollow cylindrical and centered about a main longitudinal axis. The head has an internal cavity, a first angled face, a second angled face, a first nozzle, and a second nozzle. The internal cavity is in gaseous communication with an interior of the neck. The first angled face is in a first angled plane, while the second angled face is in a second angled plane. The first nozzle is hollow cylindrical, centered about a first longitudinal axis, merges with the internal cavity, and terminates in the first angled face. The second nozzle is hollow cylindrical, centered about a second longitudinal axis, merges with the internal cavity, and terminates in the second angled face. The scraping tip allows focused high velocity air to aid with scraping.Type: GrantFiled: May 11, 2021Date of Patent: July 30, 2024Inventors: Ian R. Vinci, Peter R. Vinci, Peter Vinci
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Patent number: 12017180Abstract: Methods and systems for recovering sulfur dioxide from a Claus unit process emissions stream are provided. The method comprises the steps of generating a process emissions stream from a thermal oxidizer or other combustion device, introducing the emissions stream to an SO2 removal system, introducing the SO2 rich stream from the SO2 removal system to a CO2 removal system, and introducing an enriched SO2 stream back to the Claus unit. The SO2 removal system can include one or more SO2 selective membranes. The CO2 removal system can include one or more CO2 selective membranes.Type: GrantFiled: June 24, 2021Date of Patent: June 25, 2024Assignees: Saudi Arabian Oil Company, Membrane Technology and Research, Inc.Inventors: Milind Vaidya, Sebastien Duval, Feras Hamad, Richard Baker, Tim Merkel, Kaaeid Lokhandwala, Ahmad Bahamdan, Faisal Al-Otaibi
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Patent number: 12011693Abstract: A zeolite membrane and a preparation method thereof are provided. The method includes: adding an organic binder solution dropwise to zeolite, and thoroughly grinding and stirring; blade-coating a resulting mixture on a substrate at a given thickness; and drying to obtain the zeolite membrane. The preparation of a zeolite membrane does not require a complicated hydrothermal crystal growth process, and the membrane can be prepared directly from natural zeolite or artificial zeolite. A prepared zeolite membrane has the characteristics of simple preparation process, low cost, prominent water permeability, high contaminant rejection rate and high zeolite load. The zeolite membrane, when used for the rejection of contaminants in water, can not only remove macromolecular contaminants in water, but also efficiently remove ammonia nitrogen by way of ion exchange, which is suitable for advanced treatment of wastewater.Type: GrantFiled: May 21, 2021Date of Patent: June 18, 2024Assignee: TONGJI UNIVERSITYInventors: Zhiwei Wang, Wei Shi, Huimin Zhou, Xueye Wang
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Patent number: 11938442Abstract: A gas separation system includes: a first gas separation membrane unit; a second gas separation membrane unit; a material gas feed line connected to a gas inlet port of the unit; a first compressor interposed to the line; a first connection line connecting a permeated gas discharge port of the unit and a gas inlet port of the unit; and a second connection line connecting a non-permeated gas discharge port of the unit and the line. The unit and unit each have a gas separation selectivity of 30 or greater. The CH4 recovery rate is 98% or higher. The CO2 content in non-permeated gas of the unit is 5 mol % or less. The flow rate of gas fed to the unit is 60% or less of the flow rate of material gas fed to the unit.Type: GrantFiled: March 30, 2020Date of Patent: March 26, 2024Assignee: UBE CORPORATIONInventors: Tomohide Nakamura, Nobuhiko Fukuda
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Patent number: 11891552Abstract: There is provided a weather proof pressure sensitive adhesive tape composition having 15 years or more dwell time in ambient conditions, comprising ambient humidity in the range of RH 30% to 100% RH including aggressive under water conditions, ambient pressures in the range of 0.75 bar to 1.5 bar at normal temperature, ambient temperature in the range of (?) 30° C. to 75° C. at normal pressure, ambient acidity and alkalinity in the range of pH 4.5 to pH 10.5 in water, ambient salinity of water in under water conditions of up to 1.2 mole equivalent of sodium chloride and ambient surface fluid resistance of up to 2.7×10?3 cubic meter per second per meter contact edge of the tape.Type: GrantFiled: June 12, 2019Date of Patent: February 6, 2024Inventor: Ashok Shukla
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Patent number: 11827647Abstract: Compositions, devices, and methods relating to the use of mixed-matrix membranes containing metal-organic frameworks to separate gases are generally described. In some embodiments, branched nanoparticles made at least in part of metal-organic frameworks are described. In some embodiments, the morphology and size of the branched nanoparticles are controlled by the presence of a chemical modulator during synthesis. In some embodiments, the branched nanoparticles are uniformly distributed in a mixed-matrix membrane. In some embodiments, the mixed-matrix membrane is configured to separate one or more gases from a gas mixture. In some embodiments, the branched nanoparticles contribute at least in part to an increase in permeability, selectivity, and/or resistance to plasticization of the mixed-matrix membrane.Type: GrantFiled: June 11, 2019Date of Patent: November 28, 2023Assignees: Massachusetts Institute of Technology, Aramco Services CompanyInventors: Zachary Smith, Lucas Chi, Benjamin James Sundell, Ke Zhang, Steven C. Hayden, Daniel J. Harrigan, Hyunhee Lee
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Patent number: 11814747Abstract: Gas-phase reactor systems and methods suitable for use with precursors that are solid phase at room temperature and pressure are disclosed. The systems and methods as described herein can be used to, for example, form amorphous, polycrystalline, or epitaxial layers (e.g., one or more doped semiconductor layers) on a surface of a substrate.Type: GrantFiled: April 15, 2020Date of Patent: November 14, 2023Assignee: ASM IP Holding B.V.Inventors: John Tolle, Joseph P. Margetis
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Patent number: 11806669Abstract: The invention provides an improvement in terms of control and process technology for a method of continuous removal of a component from a liquid mixture using a membrane unit comprising at least one membrane stage. The improvement is that a portion of the overall permeate stream is recycled to the feed vessel and/or beyond the feed vessel but upstream of the conveying device, and the remainder of the overall permeate stream is removed, with the recycled permeate having a higher concentration of the component to be separated off than the removed permeate. The presently disclosed method can especially be used for separation of a homogeneously dissolved catalyst from a liquid reaction mixture.Type: GrantFiled: December 13, 2021Date of Patent: November 7, 2023Assignee: Evonik Operations GmbHInventors: Frederik Gluth, Marc Schäpertöns, Thomas Quell, Frank Geilen, Stefan Drees, Fabian Höckelmann, Robert Franke
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Patent number: 11766511Abstract: The invention relates to extracorporeal blood circuits, and components thereof (e.g., hollow fiber membranes, potted bundles, and blood tubing), including 0.005% to 10% (w/w) surface modifying macromolecule. The extracorporeal blood circuits have an antithrombogenic surface and can be used in hemofiltration, hemodialysis, hemodiafiltration, hemoconcentration, blood oxygenation, and related uses.Type: GrantFiled: February 5, 2021Date of Patent: September 26, 2023Assignee: Interface Biologics, Inc.Inventors: Sanjoy Mullick, Weilun Chang, Hanje Chen, Mark A. Steedman, Roseita Esfand
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Patent number: 11724230Abstract: A gas separation membrane for selective separation of hydrogen and helium from gas mixtures containing carbon dioxide includes a porous support layer, an aromatic polyamide layer on the porous support layer, and a coating including a glassy polymer formed on the aromatic polyamide layer. A glass transition temperature of the glassy polymer is greater than 50° C. The gas separation membrane may be formed by contacting a solution including the glassy polymer with an aromatic polyamide layer of a composite membrane and drying the solution to form a coating of the glassy polymer on the aromatic polyamide layer. Separating hydrogen or helium from a gas stream including carbon dioxide includes contacting a gas feed stream including carbon dioxide with the gas separation membrane to yield a permeate stream having a concentration of helium or hydrogen that exceeds the concentration of helium or hydrogen, respectively, in the gas feed stream.Type: GrantFiled: May 8, 2020Date of Patent: August 15, 2023Assignee: Saudi Arabian Oil CompanyInventors: Seung-Hak Choi, Mohammad S. Al-Qahtani, Eyad A. Qasem
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Patent number: 11724090Abstract: A cannula system is provided. The system may comprise: a cannula having a hose element having front and rear end regions, wherein a channel extends from the front end region to the rear end region, a hollow body having a front end region, and a connector which, in a connected state of the cannula system in which the front end region of the hollow body is introduced into the channel of the hose element, receives the front end region of the hose element and the front end region of the hollow body in an inner region of the connector. The connector may exert clamping forces on the front end region of the hose element and clamp the front end region of the hose element between the front end region of the hollow body and the connector. Also provided is a blood pump system including such a cannula system.Type: GrantFiled: May 18, 2018Date of Patent: August 15, 2023Assignee: Berlin Heart GmbHInventors: Daniel Phillips, Markus Stollin
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Patent number: 11709658Abstract: Systems and methods include reception of a first request to check code associated with a first service for compliance with one or more criteria, determination of a plurality of code components associated with the first service, execution of a code check of each of the plurality of code components, generation of a first service compliance statement associated with the first service based on results of the executed code checks, determination of a definition of the first product from a product repository, the definition listing a plurality of services on which the product depends, the plurality of services including the first service, identification of a compliance statement associated with each of the plurality services, and determination of a product compliance statement based on each of the identified compliance statements.Type: GrantFiled: December 17, 2021Date of Patent: July 25, 2023Assignee: SAP SEInventors: Peter Eberlein, Volker Driesen
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Patent number: 11684890Abstract: Provided are a methane-selective composite membrane comprising: a UiO-66 type organic-inorganic composite nanoporous material, a MIL-100 type organic-inorganic composite nanoporous material, or a ZIF-8 type organic-inorganic composite nanoporous material to which a methane-selective functional group is introduced for selectively separating methane from a gas mixture containing methane/nitrogen, a use thereof, and a method of preparing the same.Type: GrantFiled: March 23, 2020Date of Patent: June 27, 2023Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Jeong Hoon Kim, Chang In Kong, Yang No Yun, Su Young Moon, Bong Jun Chang, Bo Ryoung Park, Youn-Sang Bae, Tea-Hoon Kim
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Patent number: 11666856Abstract: An air composition adjusting device includes: an oxygen separator that separates oxygen from external air to be supplied to a target space; a gas supply path including a high concentration gas supply path for oxygen through which the oxygen separator communicates with the target space; and a controller that performs an oxygen concentration raising operation of supplying a high oxygen concentration gas, which has a higher oxygen concentration than external air before being treated by the oxygen separator, to the target space through the high concentration gas supply path for oxygen.Type: GrantFiled: May 13, 2021Date of Patent: June 6, 2023Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Noritaka Kamei, Naohiro Tanaka, Hidenori Matsui
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Patent number: 11646403Abstract: A method of preparing a porous sheet includes mixing a matrix material dispersion including a matrix material dispersed in a first dispersion medium with a microorganism dispersion including microorganisms in a second dispersion medium, to form a mixture. The first and the second dispersion media are removed from the mixture to form a matrix sheet, and the microorganisms are decomposed from the matrix sheet to form the porous sheet.Type: GrantFiled: March 5, 2021Date of Patent: May 9, 2023Assignees: International Business Machines Corporation, Aselsan Electronik Sanayi ve Ticaret A.S.Inventors: Esin Akca, Cagla Akgun, Gokhan Demirci, Ho-Cheol Kim, Hareem T. Maune, Dahyun Oh, Loza F. Tadesse, Leslie E. Thompson
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Patent number: 11628410Abstract: A membrane modification method for improving liquid membrane separation of carbon dioxide (CO2) includes grafting an organic substance containing an amine group on a porous membrane material, and loading water into pore channels of the porous membrane material to prepare a supported liquid membrane for a gas mixture separation experiment of CO2. In the method, the amine group is introduced through chemical grafting to make the water being alkaline when used as membrane liquid. Compared with an alkaline solution as the membrane liquid, the method can avoid the loss of active alkaline substances and increase the permeation flux of CO2.Type: GrantFiled: June 17, 2020Date of Patent: April 18, 2023Assignee: NANJING TECH UNIVERSITYInventors: Yiqun Fan, Peng Xu, Minghui Qiu, Kaiyun Fu, Xianfu Chen, Xiangli Kong, Dawei Gong
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Patent number: 11607650Abstract: A thin micro-porous membrane sheet and filtering device using it is presented. The membrane sheet includes a thin porous metal sheet of thickness between 20 and 200 ?m with a porous ceramic coating of thickness less than 25 ?m on at least one of its surfaces. The porous metal sheet has mean pore sizes at micro and sub-micrometer level and has a surface substantially free of pores greater than 10 micrometers. The ceramic coating layer may be made of particles with a mean particle size in a range of 10 to 300 nm and contains certain sintering promoters. The ceramic coating is sintered with the metal sheet in non-oxidizing environment at lower temperatures than typical ceramic membranes. The thin membrane sheet is used to filter fine particulates from micrometers to nanometers from a liquid or gas stream. The thin membrane sheet may be assembled into a filter device having high surface area packing density and straight mini-flow channels.Type: GrantFiled: October 11, 2021Date of Patent: March 21, 2023Assignee: Molecule Works Inc.Inventor: Wei Liu
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Patent number: 11596903Abstract: A hollow fibre membrane having a coiled, a hemihelix, a helical or an undulated native form, in which the membrane can be stretched by up to 4-times its original length with no plastic deformation, and wherein the native form of the membrane is produced by the asymmetric flow of liquid polymer through an opening of a die or nozzle.Type: GrantFiled: September 30, 2017Date of Patent: March 7, 2023Assignee: OXYMEM LIMITEDInventors: Eoin Syron, Michael Semmens, Malcolm Whelan, John Geaney, Nigel Coombes, Wayne Byrne, Barry Heffernan
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Patent number: 11534720Abstract: Exemplary embodiments in desalination by direct contact membrane distillation present a cylindrical cross-flow module containing high-flux composite hydrophobic hollow fiber membranes. The present embodiments are directed to a model that has been developed to describe the observed water production rates of such devices in multiple brine feed introduction configurations. The model describes the observed water vapor production rates for different feed brine temperatures at various feed brine flow rates. The model flux predictions have been explored over a range of hollow fiber lengths to compare the present results with those obtained earlier from rectangular modules which had significantly shorter hollow fibers.Type: GrantFiled: April 23, 2018Date of Patent: December 27, 2022Assignees: New Jersey Institute of Technology, Applied Membrane Technology, Inc.Inventors: Kamalesh Sirkar, Dhananjay Singh, Lin Li, Thomas J. McEvoy
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Patent number: 11253813Abstract: A method for manufacturing a diaphragm support member with a diaphragm support made of a sintered metal having a diaphragm layer, comprising at least the following steps: a. providing a laminar or tubular diaphragm support made of a porous sintered metal with a surface that is provided for the purpose of being coated with the diaphragm layer; b. providing a metallic connecting element for connecting the diaphragm support to a gas-carrying line; c. connecting the diaphragm support and connecting element with a weld seam to the diaphragm support member and forming a first connection zone between the weld seam and diaphragm support and a second connection zone between the weld seam and the connecting element; d. arranging a metal layer on the surface and the weld seam so that the metal layer covers at least the first connection zone; d. cohesively joining the metal layer at least with the surface and the weld seam; and e.Type: GrantFiled: March 7, 2018Date of Patent: February 22, 2022Assignee: GKN Sinter Metals Engineering GmbHInventors: Harald Balzer, Enrico Mählig, Nicola De Cristofaro
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Patent number: 10786785Abstract: Provided is a gas separation membrane containing polysaccharides and being characterized by having a crystallinity of 17% or lower, the crystallinity being represented by equation (1) below: (1) Crystallinity (%)=[Ic/(Ic+Ia)]×100 (In equation (1), Ic is the sum of the integrals of the scattering intensities of crystalline peaks obtained from X-ray diffraction analysis of the gas separation membrane, and Ia is the sum of the integrals of the scattering intensities of the amorphous halo).Type: GrantFiled: August 8, 2016Date of Patent: September 29, 2020Assignee: Asahi Kasei Kabushiki KaishaInventors: Masato Mikawa, Yasutaka Kurishita
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Patent number: 10682606Abstract: A gas separation membrane for selective separation of hydrogen and helium from gas mixtures containing carbon dioxide includes a porous support layer, an aromatic polyamide layer on the porous support layer, and a coating including a glassy polymer formed on the aromatic polyamide layer. A glass transition temperature of the glassy polymer is greater than 50° C. The gas separation membrane may be formed by contacting a solution including the glassy polymer with an aromatic polyamide layer of a composite membrane and drying the solution to form a coating of the glassy polymer on the aromatic polyamide layer. Separating hydrogen or helium from a gas stream including carbon dioxide includes contacting a gas feed stream including carbon dioxide with the gas separation membrane to yield a permeate stream having a concentration of helium or hydrogen that exceeds the concentration of helium or hydrogen, respectively, in the gas feed stream.Type: GrantFiled: July 7, 2017Date of Patent: June 16, 2020Assignee: Saudi Arabian Oil CompanyInventors: Seung-Hak Choi, Mohammad S. Al-Qahtani, Eyad A. Qasem
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Patent number: 10526736Abstract: Provided are a nonwoven fabric mainly composed of amorphous polyetherimide having a melt viscosity at 330° C. of 100 to 3000 Pa·s, and satisfying conditions of: 1) an average fiber diameter of 0.5 to 5 ?m; 2) an air permeability of more than or equal to 20 seconds/100 mL; and 3) a withstand voltage of more than or equal to 15 kV/mm, an insulating material using the nonwoven fabric, and a method for manufacturing the nonwoven fabric including continuously treating fibers between a pair of rolls at a temperature of 150 to 300° C. and a linear pressure of 100 to 500 kg/cm.Type: GrantFiled: March 24, 2015Date of Patent: January 7, 2020Assignee: KURARAY CO., LTD.Inventor: Yasuhiro Shirotani
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Patent number: 9575006Abstract: A method, computing system and computer program product are provided to facilitate the inspection of an air separation module and to determine the degradation of an air separation module tubesheet. In the context of a method, an air separation module tubesheet is subjected to infrared spectroscopy by exposing the air separation module tubesheet to a spectrum of infrared radiation and collecting a spectrum of return signals. The method also includes providing a regression model based upon a multivariate regression of a representation of the infrared spectra collected from a plurality of air separation module tubesheet samples having different predefined conditions. The method further includes determining a condition of the air separation module tubesheet based upon a representation of the spectrum collected from the air separation module tubesheet and the regression model.Type: GrantFiled: October 7, 2013Date of Patent: February 21, 2017Assignee: The Boeing CompanyInventors: Paul H. Shelley, Erika Lane Carter, Tuan Quang Cao, Gregory James Werner
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Patent number: 9452446Abstract: A method for depositing a layer of silicon nanocrystals upon the inside surface of hollow fibers is disclosed. In particular, the method includes inserting a hollow glass fiber into a solution of hydrogen silsesquioxane, removing the solvent and heating the hollow glass fiber to a temperature suitable to form silicon nanocrystals, and subsequently cooling the hollow glass fiber.Type: GrantFiled: March 31, 2009Date of Patent: September 27, 2016Assignee: The Governors of the University of AlbertaInventors: Jonathan Veinot, Jose Roberto Rodriguez, Pablo Bianucci, Al Meldrum
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Patent number: 9370734Abstract: A degassing module is adapted for degassing a liquidous fluid at relatively high throughput flow rates. The degassing module includes a tubular separation membrane that is helically wound within an interior chamber of a degassing module housing. The helically wound tubular separation membrane is disposed in an axial flow gap of predetermined proportions that maximizes fluid flow dynamics in reducing the gas transport resistance from the liquid phase across the membrane. Typically, the helically wound tubular separation membrane is positioned in the gap with radial spacings to surfaces bounding the gap, thereby forming axial flow channels circumaxially inwardly and/or outwardly of the wound tubular membrane.Type: GrantFiled: June 13, 2014Date of Patent: June 21, 2016Assignee: IDEX Health & Science, LLCInventors: Quan Liu, Carl Sims, Yuri Gerner
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Patent number: 9156007Abstract: A process of producing transition metal-based membranes or other layers on a porous support is provided. The layers are suitable for hydrogen separation, oxygen separation, or protective or decorative purpose sand are produced by pretreating the porous support by coating with a solution of a transition metal salt, drying the seeded support, reducing the transition metal salt to transition metal metal, and electroless plating with a complex of a transition metal (palladium, silver or other) and optionally other metals. The membranes can be tubular with a transition metal layer of 1-10 ?m on its outside.Type: GrantFiled: August 26, 2011Date of Patent: October 13, 2015Assignee: STICHTING ENERGIEONDERZOEK CENTRUM NEDERLANDInventors: Lucretia Agnes Correia, Johannis Pieter Overbeek, Yvonne Christine Van Delft
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Patent number: 9126152Abstract: A polybenzoxazole (PBO) membrane from a self-cross-linked aromatic polyimide polymer membrane is provided. These membranes are useful in the separation of gas mixtures. The PBO membrane is made by fabricating a self-cross-linkable aromatic polyimide polymer membrane comprising both hydroxyl functional groups and carboxylic acid functional groups; cross-linking the polymer to form a self-cross-linked aromatic polyimide polymer membrane by heating the membrane at 250° to 300° C. under an inert atmosphere; and thermal heating the self-cross-linked aromatic polyimide polymer membrane at a temperature from about 350° to 500° C. under an inert atmosphere to convert the self-cross-linked aromatic polyimide polymer membrane into a PBO membrane. A membrane coating step may be added by coating the selective layer surface of the PBO membrane with a thin layer of high permeability material.Type: GrantFiled: September 27, 2013Date of Patent: September 8, 2015Assignee: UOP LLCInventors: Chunqing Liu, Zara Osman, Angela N. Troxell
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Patent number: 9120053Abstract: The present invention pertains to a polyolefin-composite hollow-fiber membrane and a manufacturing method for the same, said polyolefin-composite hollow-fiber membrane having: a homogenous membrane layer formed from polyolefins having a metal flow rate measured in accordance with JIS K7210 code D of 1.0 g/10 minutes, or less, and an Mw/Mn ratio of not more than 4.0; and a porous membrane layer which is formed from polyolefins having an Mw/Mn ratio of 8.0-12.0. The present invention also pertains to a hollow-fiber membrane module which is equipped with the polyolefin-composite hollow-fiber membrane.Type: GrantFiled: September 28, 2011Date of Patent: September 1, 2015Assignee: Mitsubishi Rayon Co., Ltd.Inventor: Noritaka Shibata
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Patent number: 9084970Abstract: The present invention relates to a method of manufacturing a hydrogen transport membrane and the composite article itself. More specifically, the invention relates to producing a membrane substrate, wherein the ceramic substrate is coated with a metal oxide slurry, thereby eliminating the need for an activation step prior to plating the ceramic membrane through an electroless plating process. The invention also relates to modifying the pore size and porosity of the substrate by oxidation or reduction of the particles deposited by the metal oxide slurry.Type: GrantFiled: July 5, 2012Date of Patent: July 21, 2015Assignee: PRAXAIR TECHNOLOGY, INC.Inventors: Joseph M. Schwartz, Joseph M. Corpus, Hankwon Lim
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Patent number: 9067035Abstract: There is provided herein a dryer polymer substance comprising a polymer grafted with a compound having sulfonic groups, wherein the substance is adapted to pervaporate a fluid such as water, water vapor or both. There is further provided a process for the preparation of a dryer polymer substance adapted to pervaporate a fluid, the process includes processing a polymer into a desired form, activating at least a portion of the polymer, and grafting the activated portion of the polymer with a compound having groups adapted to be sulfonated.Type: GrantFiled: March 3, 2009Date of Patent: June 30, 2015Assignee: Oridion Medical (1987) Ltd.Inventors: Amos Ophir, Eyal Cohen, David Dishon, Joshua Lewis Colman
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Patent number: 9050562Abstract: A method of making a gas separation membrane by providing a plating vessel with a volume of plating solution of gas-selective metal ions into which is placed a porous support. The plating solution is circulated over a surface of the porous support while maintaining conditions within the plating vessel so as to promote the electroless deposition. The circulation rate of the plating solution is such as to enhance the metal deposition onto the surface of the porous support in the formation of the gas separation membrane.Type: GrantFiled: November 15, 2012Date of Patent: June 9, 2015Assignee: Shell Oil CompanyInventor: John Charles Saukaitis
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Publication number: 20150135957Abstract: A semipermeable gas separation membrane is plasma deposited from liquid organosiloxane monomer having at least three silicon atoms and an alpha hydrogen atom. The semipermeable membrane may be employed as a gas-selective membrane in combination with a porous substrate.Type: ApplicationFiled: November 19, 2013Publication date: May 21, 2015Applicant: Applied Membrane Technology, inc.Inventor: Ashok K. Sharma
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Patent number: 9034083Abstract: An array of hollow fibers including a plurality of hollow fibers of a predetermined diameter configured to receive a gas having oxygen therein and transfer the oxygen to a fluid and/or transfer carbon dioxide in the fluid to a gas. The array is configured in a predetermined pattern having a predetermined packing density that is a fraction of a total cross-sectional area of the array occupied by the hollow fibers.Type: GrantFiled: April 10, 2012Date of Patent: May 19, 2015Assignee: Vivonics, Inc.Inventors: Anna M Galea, Kristen LeRoy, Nicholas Vitale
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Publication number: 20150122121Abstract: Gas separation membrane compositions including at least one crosslinked polymer, gas separation membranes made of such compositions, methods for making such gas separation membranes, and methods of using such membranes to separate gases are described. In one embodiment, the crosslinked polymer includes polyarylene ethers (PAE).Type: ApplicationFiled: October 31, 2014Publication date: May 7, 2015Inventors: James McGrath, Yu Chen, Rulian Guo, Benny Freeman
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Publication number: 20150122122Abstract: The present disclosure relates to a method for removing carbon dioxide from hydrocarbons, the method comprising the steps of: (a) contacting a feed stream comprising hydrocarbons and carbon dioxide with one or more gas-separation membranes to produce a hydrocarbon-rich retentate gas stream and a permeate gas stream rich in carbon dioxide, the retentate gas stream containing less carbon dioxide relative to the feed stream; and (b) passing at least one of the retentate gas stream or the permeate gas stream through an absorption unit to produce a hydrocarbon-rich gas phase and a liquid absorbent phase containing said carbon dioxide. The present disclosure also relates to a system for doing the same.Type: ApplicationFiled: May 8, 2013Publication date: May 7, 2015Inventors: W Nurul Ffazida W Mustapa, M Hanif M Halim, Farahdila Kadirkhan, Azman Shafawi, Athirah M Tamidi
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Publication number: 20150101986Abstract: Disclosed are mixed matrix polymeric membranes comprising a plurality of metal-organic frameworks (MOFs), or in some aspects a zeolitic imidazolate frameworks (ZIFs), and a polymeric matrix, wherein the plurality of MOFs are attached to the polymeric matrix through covalent or hydrogen bonds or Van der Waals interaction.Type: ApplicationFiled: October 7, 2014Publication date: April 16, 2015Inventors: Ihab Nizar ODEH, Yunyang LIU
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Patent number: 9005344Abstract: The present application is directed to a hydrophobic membrane assembly (28) used within a gas-generating apparatus. Hydrogen is separated from the reaction solution by passing through a hydrophobic membrane assembly (28) having a hydrophobic lattice like member (36) disposed within a hydrogen output composite (32) further enhancing the ability of the hydrogen output composite's ability to separate out hydrogen gas and prolonging its useful life.Type: GrantFiled: January 3, 2014Date of Patent: April 14, 2015Assignees: Societe Bic, The Commissariat a L'energie Atomique et Aux Energies Alternatives (CEA)Inventors: Andrew J. Curello, Michael Curello, Constance R. Stepan
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Patent number: 9005333Abstract: A system and method for passive capture of ammonia in an ammonia-containing liquid effluent. The invention allows for the passage of ammonia through microporous hydrophobic gas-permeable membranes and its capture in a circulated stripping solution with concomitant production of a concentrated non-volatile ammonium salt.Type: GrantFiled: June 20, 2011Date of Patent: April 14, 2015Assignee: The United States of America, as represented by the Secretary of AgricultureInventors: Matias B. Vanotti, Ariel A. Szogi
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Publication number: 20150096444Abstract: An air filter assembly includes a felt of hollow specialty polymer fibers having nonporous walls.Type: ApplicationFiled: October 4, 2013Publication date: April 9, 2015Applicant: BHA Altair, LLCInventors: Todd Joseph Scheerer, Vishal Bansal
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Publication number: 20150096443Abstract: An air filter assembly includes a felt of hollow commodity polymer fibers having nonporous walls.Type: ApplicationFiled: October 4, 2013Publication date: April 9, 2015Applicant: BHA Altair, LLCInventors: Todd Joseph Scheerer, Vishal Bansal
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Patent number: 8999036Abstract: Biogas is converted to a vehicle fuel equivalent to compressed natural gas high in methane in a simple, low cost process involving steps of refrigeration, non-regenerative activated carbon purification and carbon dioxide removal using low-pressure membrane technology.Type: GrantFiled: September 26, 2012Date of Patent: April 7, 2015Assignee: Stearns Conrad Schmidt Consulting Engineers, Inc.Inventor: Jeffrey L. Pierce
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Patent number: 8999038Abstract: The invention relates to a specific apparatus, more particularly a chain of gas separation membrane modules, for separation of gas mixtures into two fractions each of elevated purity.Type: GrantFiled: May 26, 2011Date of Patent: April 7, 2015Assignee: Evonik Fibres GmbHInventors: Markus Ungerank, Goetz Baumgarten, Markus Priske, Harald Roegl
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Patent number: 8992669Abstract: The hydrogen separation membrane module according to the present invention is used for separating hydrogen from a gas to be treated containing hydrogen, and is provided with a tubular hydrogen separation membrane being selectively permeable to hydrogen, a casing for the hydrogen separation membrane, an insertion member being arranged on the inside of the hydrogen separation membrane and having an outer surface that defines a flow path of the gas to be treated together with an inner surface of the hydrogen separation membrane, a gas supply port for supplying the gas to be treated to the inside of the hydrogen separation membrane, a gas discharge port for discharging a non-permeating gas that does not permeate the hydrogen separation membrane, from a downstream side of the flow path, and a hydrogen discharge port provided in the casing, for discharging hydrogen having permeated the hydrogen separation membrane.Type: GrantFiled: May 31, 2011Date of Patent: March 31, 2015Assignees: JX Nippon Oil & Energy Corporation, Japan Petroleum Energy CenterInventors: Masakazu Ikeda, Shunsuke Maekawa, Kaori Takano
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Patent number: 8991027Abstract: The present invention is directed toward spiral wound modules along with methods for making and using the same. Several embodiments are described including methods for making spiral wound filtration modules using membrane sheet provided from a roll, wherein the membrane sheet is unrolled and assembled in a direction parallel to the permeate collection tube of the module.Type: GrantFiled: January 20, 2014Date of Patent: March 31, 2015Assignee: Dow Global Technologies LLCInventors: Steven D. Jons, Allyn R. Marsh, III
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Patent number: 8979984Abstract: An apparatus for recovery of tritium from contaminated gaseous mixtures by way of isotope-exchange processes includes a container having a preferably cylindrical shape made of steel or other suitable metal or glass, referred to as “module” (1), which contains at least one permeator tube (T) made of metal or metal alloy selectively permeable to hydrogen and its isotopes, wherein the tube (T) is set in cantilever fashion with its free end closed, there being further provided elements for applying an axial tensile force on the free end of the permeator tube (T) and elements for electrical connection of the free end of the tube (T) to an end flange (FF) of the module (1) adjacent thereto.Type: GrantFiled: June 16, 2011Date of Patent: March 17, 2015Assignees: Enea-Agenzia Nazionale per le Nuove Technologie, l'Energia e lo Sviluppo Economico Sostenibile, Commissariat a l'Energie Atomique et aux Energies AlternativesInventors: Silvano Tosti, Nicolas Ghirelli, Fabio Borgognoni, Pierre Trabuc, Alessia Santucci, Karine Liger, Fabrizio Marini
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Patent number: 8968447Abstract: A separation membrane including an alloy including a Group 5 element and Ir, wherein the alloy includes a body centered cubic crystal structure.Type: GrantFiled: November 26, 2012Date of Patent: March 3, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Hyeon Cheol Park, Kwang Hee Kim, Byung Ki Ryu, Jae Ho Lee
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Publication number: 20150053085Abstract: A shell-side feed, hollow fiber, fluid separation module arranged for counter-flow includes a hollow fiber membrane bundle with each individual hollow fiber membrane in the bundle having an open fiber end and a sealed fiber end. The open fiber ends are encapsulated in a tubesheet located toward the permeate fluid outlet end of the module. The sealed fiber ends are tubesheet-free, uniformly spaced, and located toward the non-permeate fluid outlet end of the module.Type: ApplicationFiled: August 26, 2013Publication date: February 26, 2015Applicant: Cameron Solutions, Inc.Inventor: George E. Mahley, III
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Patent number: 8945276Abstract: A gas-separation membrane module assembly and a gas-separation process using the assembly. The assembly includes sets of manifolds, between which are mounted arrays of membrane modules, the manifolds and membrane modules forming a stack within a pressure vessel or housing. The stacked, manifolded arrangement enables many membrane elements to be fed in parallel with the gas to be treated.Type: GrantFiled: June 7, 2013Date of Patent: February 3, 2015Assignee: Membrane Technology and Research, Inc.Inventor: Nicholas P. Wynn