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Matches 701 - 750 out of 14,598

Document Document Title
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2021/215484A1
The present invention pertains to a method for recovering a rare metal salt, the method comprising: an acid treatment step for obtaining a rare metal-containing acidic aqueous solution by putting a material containing monovalent and poly...  
WO/2021/216265A1
Photocurable compositions that have a color change during curing and methods of preparation and use of such compositions. More particularly, the present invention relates to photocurable compositions that that have a color change during ...  
WO/2021/215539A1
[Problem] The present invention addresses the problem of providing an ion exchange membrane that can separate and refine exosomes present in a biological sample of blood serum or the like simply and at low cost. [Solution] The present in...  
WO/2021/207028A1
A porous support for nano-thickness membranes of less than 100 nanometers local surface roughness, suitable for the support of single-layer membranes of from about 1 to 500 nanometers in thickness, and for multiple layer membranes of up ...  
WO/2021/206126A1
Provided are: an ion selective permeable membrane enabling efficient recovery of ions, especially metal ions, in an aqueous solution; and an ion recovery device using the ion selective permeable membrane. The ion selective permeable memb...  
WO/2021/204337A1
Herein is described a method of producing a ceramic filter and a ceramic filter membrane. The method includes providing a porous ceramic structure comprising a porous ceramic structure front layer, providing a slurry comprising oxide and...  
WO/2021/205141A1
Novel membranes suitable for use in separation applications are described, as well as processes by which the membranes are made and uses of the membranes in a range of separation applications. The membranes are obtainable by an interfaci...  
WO/2021/202913A1
The present disclosure provides surface functionalized affinity membranes. The surface functionalized affinity membranes can provide increased binding capacity through improved coupling chemistries, ligand densities, spacer arm types, an...  
WO/2021/200690A1
A particulate removal apparatus for removing particulates in a liquid, the apparatus being characterized by comprising an integrated positively-charged particulate capturing part and negatively-charged particulate capturing part. Prefera...  
WO/2021/202555A1
Examples relate to systems and methods for producing a nanofiltration (NF) element having relatively stable performance at high temperature and pressure. In an embodiment, a method includes producing an initial NF element with a membrane...  
WO/2021/202255A1
A method for removing ethylene from the atmosphere surrounding an agricultural product that is sensitive to ethylene, which promotes climacteric ripening and senescence, is disclosed. The method uses a membrane for selective ethylene per...  
WO/2021/200427A1
A hollow fiber membrane comprising a cellulosic ester and cellulosic nanofiber.  
WO/2021/202520A1
A spiral wound membrane module has a brackish water RO or NF membrane combined with a permeate carrier having a narrow spacing between membrane contacting elements. The membrane may have water permeability (A-Value) of at least 8*10-5 cm...  
WO/2021/199659A1
The present invention provides a composite semipermeable membrane which has more excellent water permeability, while maintaining high desalting performance. This composite semipermeable membrane 1 is provided with a porous supporting l...  
WO/2021/201783A1
The present invention relates to a method for producing a composite membrane, the method comprising impregnating a surface of a porous membrane substrate with an aqueous suspension comprising a mixture of at least one polyamine and at le...  
WO/2021/202139A1
The invention provides a system for sanitizing fluids such as water and air. In particular, the invention provides a combination of solid chlorhexidine and a polymer matrix, for which effluents are essentially free of leached chlorhexidi...  
WO/2021/198210A1
The invention relates to a millisecond gasification method to fabricate graphene membranes, yielding a molecular sieving resolution of 0.2 Å for selective gas separation, and further relates to a method of preparation and uses thereof. ...  
WO/2021/195365A1
The present disclosure provides a filtration media for filtering one or more airborne particles. The filtration media may comprise a membrane comprising one or more polymeric layers to filter the airborne particles. The filtration media ...  
WO/2021/191043A1
The present invention relates to a solution comprising at least one polymer P, at least one water soluble polymer and a N-n-butyl-2-pyrrolidone, the process of making a membrane and the use of this membrane for water treatment.  
WO/2021/192816A1
The present invention relates to a composite semipermeable membrane which is provided with a base material, a porous supporting body that is arranged on the base material, and a separation functional layer that is arranged on the porous ...  
WO/2021/194417A1
There is provided a membrane comprising: a porous support layer having a first surface and a second surface; a palladium (Pd)-based selective layer on a first surface of the support layer; and a zeolite protective layer on a second surfa...  
WO/2021/195141A1
A rare earth coated membrane is beneficial to aid in the separation of contaminants, such as anions containing phosphorous, anions containing arsenic, PFAS, and mixtures thereof. Membranes with the rare earth coating or treatment can hav...  
WO/2021/192745A1
The present invention provides a separation film in which defects in a separation function layer are reduced and a reduction in the flux of a permeating liquid is suppressed. The separation film 10 is provided with, in the following orde...  
WO/2021/193501A1
[Problem] To provide a gas separation membrane element that separates and purifies a specific gas from a gas mixture. [Solution] A gas separation membrane element comprising: a central tube that collects a permeated gas; and a gas separa...  
WO/2021/194418A1
There is provided a semi-permeable membrane comprising: at least two dimensional (2D) heterostructure layers of; and a polyelectrolyte layer between each 2D heterostructure layer of the at least two 2D heterostructure layers. There is al...  
WO/2021/188615A1
Methods and systems for producing and using multi-layer composite co-polyimide membranes, one method for producing including preparing a microporous or mesoporous membrane support material for coating; applying a sealing layer to the mem...  
WO/2021/186974A1
This gas separation method involves supplying a gas mixture to a zeolite membrane complex (1) and separating a high-permeability gas from other gases by passing said high-permeability gas through the zeolite membrane complex (1). The gas...  
WO/2021/186959A1
In this gas separation method, a mixed gas is fed to a zeolite membrane complex (1), and a high-permeability gas is made to permeate through the zeolite membrane complex (1) and thereby separate from another gas. The mixed gas contains t...  
WO/2021/187438A1
This concentration method for a raw material liquid includes a raw material concentration step for obtaining a dilution induction solution by bringing a raw material liquid containing a solvent and a solute and an induction solution cont...  
WO/2021/176291A1
A counterflow energy recovery ventilator core comprising a seamless pleated support media bearing a water-vapor-permselective film that is co-pleated along with the pleated support media.  
WO/2021/177095A1
The purpose of the present invention is to provide an artificial lung having plasma leakage resistance by a simpler technique. The present invention relates to a method for manufacturing an artificial lung having a plurality of porous ho...  
WO/2021/177349A1
This separation membrane comprises: a porous support; a polyamide-based separation functional layer provided on the porous support; and a coating layer provided on the polyamide-based separation functional layer, wherein a fragment of CN...  

Matches 701 - 750 out of 14,598