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WO/2021/250119A1 |
The present invention relates to a process for the production of asymmetric cellulose hollow fibres and the use of such fibres in the production of asymmetric carbon hollow fibre membranes (CHFMs). In particular, the present invention pr...
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WO/2021/248464A1 |
A non-woven fabric used as a supporting layer of a water treatment membrane, a preparation method therefor and a water treatment membrane. The non-woven fabric comprises: backbone fibers, first binding fibers and second binding fibers, w...
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WO/2021/248899A1 |
A graphene oxide-modified polydopamine composite nanofiltration membrane and a preparation method therefor are disclosed. The invention comprises a polyethersulfone support and an organic functional layer disposed thereon. The organic fu...
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WO/2021/251144A1 |
The tube unit of the present invention comprises multiple tubes, a binding part that binds the end parts of the multiple tubes, and a cylindrical body that is inserted into each of the end parts of the multiple tubes and supports each of...
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WO/2021/248897A1 |
A preparation method for a zirconia ceramic ultrafiltration membrane. In the method, a sol-gel process is organically combined with hydrothermal processing of a microemulsion medium. A sol formed by means of the sol-gel process serves as...
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WO/2021/248028A1 |
Disclosed are hollow fibers suitable for use in dialysis in an outside-in configuration. For such fibers, it is desirable that the fiber have a low albumin sieving coefficient and have a permeability high enough to be considered a High F...
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WO/2021/244477A1 |
The present invention involves a filter material, the filter material comprises an internal filter core material and a cover layer covering an outer layer of the filter core material, wherein the cover layer is selected from one or more ...
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WO/2021/246629A1 |
The present invention relates to an organic solvent-soluble copolymer polyester, a composition that is for forming an ultrafiltration membrane and comprises same, and a high water permeability reverse osmosis membrane prepared therefrom....
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WO/2021/244117A1 |
The present invention provides a method for fabricating thin film composite membrane includes: placing a microporous support on a collector; spraying a first solution onto a surface of the microporous support distal to the collector comp...
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WO/2021/245501A1 |
Embodiments include nanofilms comprising the reaction product of a natural building block type A including at least two functional groups and a natural building block type B including at least three functional groups, wherein the natural...
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WO/2021/245075A1 |
The invention relates to a hollow fiber membrane for separating blood plasma from blood, comprising a blood contact layer and a support layer, each having a hydrophobic polymer, a hydrophilic polymer and vitamin E, and to a method for pr...
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WO/2021/244162A1 |
A non-woven fabric substrate-supported polyethylene nanofiltration membrane, comprising a non-woven fabric substrate (3), a polyethylene microporous membrane (2), and a nanofiltration membrane layer (1). The polyethylene microporous memb...
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WO/2021/246046A1 |
The separation membrane module (21) comprises: a separation membrane composite (1) having a support (11) and a separation membrane (12) provided on the support (11); a housing container (22) for housing the separation membrane composite ...
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WO/2021/245464A1 |
The present invention relates to a porous composite membrane comprising: - graphene oxide sheets; and - nanoparticles bound to a surface of the graphene oxide sheets solely by electrostatic and/or Van der Waals interactions. The present ...
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WO/2021/247539A1 |
An automated platform for the detection of a virus, bacteria, and/or other organism of interest from a clinical sample and a method of isolation, purification, and amplification of viruses from clinical samples using a Loop-Mediated Isot...
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WO/2021/244163A1 |
Disclosed is a non-woven fabric substrate-supported polyethylene nanofiltration membrane, comprising a non-woven fabric substrate, a polyethylene microporous membrane, and a nanofiltration membrane skin layer. The polyethylene microporou...
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WO/2021/240149A1 |
There is described a separation membrane, suitably for oil and water separation. The membrane comprising a porous substrate layer and an active layer arranged over at least a part of the substrate layer. The active layer comprises a hydr...
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WO/2021/237326A1 |
The present invention relates to an antiviral and/or antibacterial fabric filter, and also to the use thereof as a filter element and retainer and as an antiviral and/or antibacterial agent. The present invention also relates to a method...
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WO/2021/237381A1 |
A method for preparing a rare earth-modified polyethersulfone ultrafiltration membrane, comprising the steps of: dissolving lanthanum nitrate in deionized water to obtain a solution A, dissolving ammonium paratungstate and potassium carb...
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WO/2021/240917A1 |
This separation membrane composite body comprises a porous support body, and a separation membrane formed on the support body. The separation membrane comprises small pores (121). When Sm represents the surface area of the separation mem...
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WO/2021/240150A1 |
There is described as a separation membrane, such as for pressure-assisted oil and water separation. The membrane comprises a porous substrate layer and an active layer arranged over at least a part of the substrate layer. The active lay...
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WO/2021/241742A1 |
The present invention relates to a method for separating and recovering a cobalt salt and a nickel salt, the method including a separation step for separating a cobalt salt and a nickel salt from a rare metal-containing aqueous solution ...
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WO/2021/241514A1 |
The present invention provides a porous film having a relief structure provided with protrusions and recesses on at least one surface. In a plane located at a height of 50 nm from a reference surface of the surface, the average number de...
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WO/2021/235168A1 |
Provided is a tubular separation membrane suitable for treating oil-containing wastewater. The tubular separation membrane comprises cellulose acetate, has a membrane thickness of 0.05-0.4 mm, and satisfies the relationships given in the...
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WO/2021/236221A1 |
Provided herein are gas permeable membranes comprising an amine-containing selective layer on top of a gas permeable polymer support as well as methods of making and using thereof. The membranes are useful for the separation of CO2 from ...
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WO/2021/236220A1 |
Membranes, methods of making the membranes, and methods of using the membranes are described herein. The membrane can include a support layer; and a selective polymer layer disposed on the support layer. The selective polymer layer can i...
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WO/2021/232649A1 |
A preparation method for a MABR hollow fiber composite membrane, comprising the following steps: (1) pre-treating a base membrane: soaking the base membrane in ethanol, immersing the base membrane in clear water, and removing residual wa...
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WO/2021/232866A1 |
A bifunctional composite film, a preparation method therefor and an application thereof, and a method for removing a plasticizer from Chinese Baijiu. The bifunctional composite film comprises a support film and a compact layer covering t...
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WO/2021/235118A1 |
A porous film laminate according to the present disclosure comprises: a porous supporting layer; and a porous film which is stacked on one surface of the supporting layer and is composed primarily of polytetrafluoroethylene. The porous f...
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WO/2021/234310A1 |
The present invention relates to a microfluidic chip (1), in particular for filtering high-added-value solutions produced in very small quantities. The present invention also relates to a method for manufacturing such a three-dimensional...
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WO/2021/236425A1 |
In at least one embodiment, a building material comprising a porous membrane having a moderate to high water vapor permeability and high liquid water penetration resistance is disclosed. The building material may be used in building appl...
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WO/2021/233184A1 |
A fluid separation membrane, and a manufacturing method therefor and the use thereof. The fluid separation membrane comprises: a separation function membrane layer (1), wherein the separation function membrane layer (1) comprises a singl...
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WO/2021/234294A1 |
The present invention relates to an ion-selective composite membrane having a thickness of between 4 µm and 100 µm, comprising at least one inner layer (2) disposed between two outer layers (1, 3), wherein: - the outer layers (1, 3) ar...
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WO/2021/232018A1 |
Disclosed are copolymers, comprising a plurality of zwitterionic repeat units, and a plurality of hydrophobic repeat units, wherein the hydrophobic repeat units each independently comprises a cross-linkable moiety; the cross-linked copol...
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WO/2021/230819A1 |
There is provided a semi-crystalline polymer membrane, the membrane being a single-layer membrane and superwettable without provision of a coating or additives. There is also provided a method of forming the membrane comprising: depositi...
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WO/2021/230265A1 |
A hydrogen gas separator (100, 100A, 100B, 100C) is provided with: an inflow part (10) for intake of a mixed gas containing hydrogen gas; a porous membrane (40, 40-1, 40-2, 40-3) that is permeated by hydrogen as a result of contacting th...
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WO/2021/230823A1 |
There is provided a graphene oxide-based membrane comprising a substrate and a plurality of layers of single-layered graphene oxide formed on the substrate, each of the plurality of layers of single-layered graphene oxide is functionalis...
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WO/2021/231704A1 |
System, devices, and method for the production of thin film composite hollow fiber membranes on a hollow fiber support structure. The system includes a comb and roller device, or comb and dual roller device, which can be used to define a...
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WO/2021/230820A1 |
Herein disclosed is a method of producing a silicalite membrane, which includes heating an aqueous solution that includes a dopant precursor and structure-directing template agents to form silicalite seeds incorporated with a dopant, dep...
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WO/2021/227527A1 |
Disclosed is a casting method for a hollow fiber membrane filament. The method comprises the following steps: (1) dividing hollow fiber membrane filaments into bundles according to a required number, inserting ends of the hollow fiber me...
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WO/2021/229925A1 |
The present invention addresses the problem of providing: a filtration material for an immersion-type filtration cartridge, the filtration material having not only exceptional collection performance but also a high processing quantity wi...
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WO/2021/231926A1 |
The present disclosure relates to a composite membrane formed by lamination of two or more separate porous polymeric layers, as well as to a method and system for lamination. Advantageously, the resulting composite is a single layer, bei...
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WO/2021/229341A1 |
A chromatography device having a housing having an inlet and an outlet. At least two layers of media disposed between the inlet and the outlet inside of the housing forming a media stack, and wherein at least one of the layers comprises ...
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WO/2021/227330A1 |
A solvent-resistant polymer nanofiltration membrane, a preparation method therefor, and the use thereof. The preparation method therefor comprises the following steps: subjecting an diamine monomer and a dianhydride monomer to cyclizatio...
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WO/2021/229327A1 |
A chromatography device having a housing having an inlet and an outlet. At least two layers of media disposed between the inlet and the outlet inside of the housing forming a media stack, with at least one of the layers comprising a func...
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WO/2021/226227A1 |
Provided is a porous membrane including polytetrafluoroethylene and/or modified polytetrafluoroethylene having a small pore diameter, thin film thickness, high porosity, and high strength; and a method for manufacturing the same. The por...
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WO/2021/219887A1 |
A composite membrane suitable for separating a gas from a gas mixture comprising a selective layer coated on a support, wherein said selective layer comprises: a) a polymeric matrix comprising an amine polymer; b) a graphene oxide nanofi...
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WO/2021/218067A1 |
A purification device for drinking water, comprising: a primary filtering system (10), wherein after particles, colloids, heavy metals, organic matter, etc. in inflow water are effectively pretreated and removed by using a functional nan...
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WO/2021/220239A1 |
Embodiments of the present disclosure generally relate to methods for treating porous membranes. In an embodiment, a method of treating a porous membrane is provided. The method includes flushing the membrane with a first fluid comprisin...
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WO/2021/219692A1 |
The invention relates to methods for the synthesis of a thin-film composite membrane, comprising the following steps: a) providing an ultrafiltration porous support membrane, coated at the outer surface with a thin film, synthesized thro...
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