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WO/2024/059033A2 |
Membranes, methods of making the membranes, and methods of using the membranes are described herein. The membrane can comprise a support layer; and a selective polymer layer disposed (e.g., coated) on the support layer. The selective pol...
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WO/2024/058764A1 |
The invention relates to a flexible material produced by the electro-spinning method using polyurethane and coated with y-MnO2 to be used as a potential filter material for lithium recovery from cold water or other liquid lithium sources.
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WO/2024/056365A1 |
A gas separation membrane comprising: (i) a porous substrate; (ii) a gutter layer comprising a cross-linked polysiloxane polymer; (iii) a discriminating layer comprising at least 60 w/w % of ethylene oxide (EO) groups and at least 0.15 m...
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WO/2024/056366A1 |
A gas separation membrane comprising: (i) a porous substrate; (ii) a gutter layer comprising a cross-linked polysiloxane polymer; (iii) a discriminating layer comprising at least 60 w/w % of ethylene oxide (EO) groups and at least 0.15 m...
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WO/2024/056401A1 |
The problem addressed by the present invention is that of specifying a process for producing lithium hydroxide which is very energy efficient. The process shall especially operate without consumption of thermal energy. The process shall ...
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WO/2024/056402A1 |
The present invention relates to the electrochemical production of hydrogen and lithium hydroxide from Li+-containing water using a LiSICon membrane. The problem addressed by the present invention is that of specifying a process which is...
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WO/2024/056252A1 |
The present invention provides bi- or multilayered membranes comprising a track-etched membrane and at least one layer of a porous pre-filter material with pores having a pore size, which is equal to or larger than the pore size of the t...
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WO/2024/057853A1 |
The present invention provides a new manufacturing method suitable for fabricating a separation membrane comprising a separation functional layer that contains a polyimide. The manufacturing method according to the present invention is a...
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WO/2024/054600A2 |
Embodiments of the present disclosure generally relate to dehydration membranes which have one or more selective layers, methods for preparing such membranes, and methods for separating water from a fluid mixture with such membranes. The...
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WO/2024/051397A1 |
A high-flux cellulose virus removing filter membrane comprises a porous main body. The two sides of the filter membrane are respectively a first outer surface and a second outer surface. The porous main body comprises a pre-filter layer ...
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WO/2024/053691A1 |
A porous film according to the present invention contains an aromatic polymer having: a plurality of units forming a main chain of a polymer and represented by formula (1); and a cross-linked structure that binds any two or more of the u...
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WO/2024/054594A2 |
Embodiments of the present disclosure generally relate to gas separation membranes which have one or more selective layers, methods for preparing such membranes, and methods for separating gases with such membranes. The gas separation me...
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WO/2024/053690A1 |
A porous film and a composite film according to the present invention each contain a crosslinked polymer in which aromatic polymers are crosslinked together. The aromatic polymers are obtained by copolymerizing at least a fluorine-based ...
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WO/2024/052816A1 |
Asymmetric hollow fiber membranes comprising a porous substrate layer and a skin layer are described. The skin layer is a copolymer of polymethyl pentene and polypropylene. Gas separation articles made using such hollow fiber membranes, ...
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WO/2024/050615A1 |
The process comprises: forming a mixture of silica with carbon quantum dots (C-dots), tetraethoxysilane (TEOS), ethanol and a catalyst; curing this silica matrix and mixing same with a monosaccharide in a basic solution; pouring the mixt...
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WO/2024/048695A1 |
The present invention relates to a composite semipermeable membrane having a microporous support layer and a separation function layer that is provided on the microporous support layer, the separation function layer having a plurality of...
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WO/2024/046763A1 |
The invention relates to a semipermeable membrane (10), more particularly for use in membrane humidifiers for fuel cell systems, comprising a) a carrier layer (12) comprising a composite material, comprising at least one plastic and at l...
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WO/2024/046712A1 |
The present invention relates to a method for producing a material for a membrane, the method comprising the following steps: - providing at least one starting material, at least one starting material containing at least one monomer or c...
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WO/2024/046829A1 |
The invention provides a gas-tight membrane for use as a burst membrane, especially for emergency venting in connection with batteries, e.g. for cars, e-bikes, handheld devices, electronic cigarettes, energy storing devices or heavy-duty...
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WO/2024/048359A1 |
A separation membrane according to the present invention contains poly(4-methyl-1-pentene) as a main component, includes a dense layer in at least one surface layer, and has an area ratio occupied by lamellar crystal in a surface (1) on ...
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WO/2024/048587A1 |
This copolymer latex for a carbon dioxide separator contains a copolymer having an aliphatic conjugated diene monomer unit, wherein the content of the aliphatic conjugated diene monomer unit in the copolymer is 10-80 mass%. A carbon diox...
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WO/2024/047477A1 |
The present disclosure relates to an acid-base polymer blend membrane for selective transport of water molecules from a gaseous mixture comprising: at least one first polymer (A) exhibiting acidic groups, at least one second polymer, whe...
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WO/2024/047264A1 |
The present invention relates to calcined or pyrolysed metal compounds that are immobilised in membranes and based on ionic liquids and/or eutectic solvents. The invention relates to novel catalytic membranes synthesised from ionic liqui...
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WO/2024/046493A1 |
Provided in the present invention are a preparation method for and the use of a modified polytetrafluoroethylene stretch film. The preparation method for a modified polytetrafluoroethylene stretch film comprises the following steps: (1) ...
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WO/2024/044175A1 |
The present disclosure provides a porous elastomer, methods of preparing the porous elastomer, and methods of using the porous elastomers. The porous elastomers described herewith may be hydrophilic and hydrophobic porous elastomers deri...
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WO/2024/043163A1 |
Provided is a porous membrane containing a polymer having a negative charge. The porous membrane has a non-uniform structure in the thickness direction, in which a first surface thereof is sparse, and a second surface thereof is dense. I...
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WO/2024/042792A1 |
This composite porous body is provided with a base material having a first side and a coating layer that covers at least part of the first side. The base material is a porous body composed of polytetrafluoroethylene. The coating layer co...
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WO/2024/043095A1 |
The present invention relates to a hollow fiber membrane including a micropore layer, a coarse-pore layer, and a strength retention layer. In a cross section of the membrane that is orthogonal to the longitudinal direction thereof, the m...
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WO/2024/043218A1 |
A separation membrane is used in deaeration methods for removing a gas dissolved in a liquid, and gas exchange methods for exchanging a gas dissolved in a liquid and a gas component in a gas phase. The present invention provides a separa...
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WO/2024/042431A1 |
A hollow-fiber membrane. The hollow-fiber membrane is made from a polymeric blend comprising an aromatic sulfone polymer and polyoxazoline, wherein the polymeric blend comprises from 27 wt.% to 30 wt.% aromatic sulfone polymer, based on ...
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WO/2024/036757A1 |
A preparation method for a silicon nitride-based ceramic separation membrane of a micro-nano composite fiber structure, comprising the following steps: first, carrying out ultrasonic cleaning and drying on a porous β-phase silicon nitri...
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WO/2024/040152A1 |
A method of manufacturing a carbon molecular sieve (CMS) membrane includes forming one or more hollow fibers, the one or more hollow fibers including a polyvinylidene chloride copolymer; exposing the one or more hollow fibers to a causti...
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WO/2024/035941A1 |
Coated crossflow filter membranes, crossflow filters comprising the coated filter membranes and crossflow filtration systems for separating material such as biological material sensitive to temperature, dissolved gases, and mechanical da...
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WO/2024/033429A1 |
The present invention relates to side-chain functionalized polymers and copolymers and their use as alkaline anion exchange membrane materials, for example in alkaline water electrolyzers, fuel cells or flow batteries.
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WO/2024/029162A1 |
Provided is a method for operating a reverse osmosis membrane device which has a reverse osmosis membrane element and in which treated water is obtained by passing water to be treated that contains a scale component through the reverse o...
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WO/2024/030037A1 |
A multifunctional clay based ceramic membrane includes halloysite nanotube (HNT) at a first weight percent, alumina at a second weight percent, and a pore forming agent at a third weight percent. The first weight percent is greater than ...
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WO/2024/024903A1 |
This substrate for a liquid filter includes a microporous polyolefin membrane, wherein: the average value of pore diameters of the microporous polyolefin membrane is 1 nm-50 nm; the average water flow rate value of the microporous polyol...
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WO/2024/024135A1 |
This purge device comprises: purge piping that is connected to a condenser and that purges mixed gas, which includes refrigerant gas and non-condensable gas, from the condenser; a separation membrane that is provided to the purge piping ...
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WO/2024/023458A1 |
The present invention relates to a method for purifying an aqueous hydrogen peroxide solution, comprising at least one treatment on a reverse osmosis membrane and at least one electrodeionisation treatment. The invention also relates to ...
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WO/2024/018000A1 |
Organic-inorganic hybrid materials using lignin as the organic phase for the synthesis of thin films are described. These hybrid materials are prepared through the known sol-gel method whereby a metal-oxide precursor and alkoxysilane fun...
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WO/2024/016671A1 |
A polymeric nanofiltration membrane, and the preparation therefor and a use thereof. The polymeric nanofiltration membrane contains hydrophilic nano composite material nitrogen-doped hollow porous carbon spheres. A preparation process fo...
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WO/2024/017120A1 |
A composite palladium-based alloy material, a preparation method therefor, and a use thereof. The composite palladium-based alloy material comprises Pd and a group IB metal; and in an XRD graph of the composite palladium-based alloy mate...
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WO/2024/019034A1 |
Provided is a hollow fiber membrane containing polyether sulfone, said hollow fiber membrane having a non-uniform structure in the thickness direction, wherein the gradient index, which is a ratio of the average pore diameter on the oute...
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WO/2024/018217A1 |
The present invention relates to laminate membranes for filtration of solutes. The membranes comprise graphene oxide and polyvinyl amine. The invention also relates to methods of reducing the amount of solutes in a mixture using said mem...
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WO/2024/012122A1 |
A high-degassing polyolefin hollow fiber membrane, a preparation method therefor, and the use thereof in removing oxygen in ultrapure water. The polyolefin hollow fiber membrane comprises a main body, one side of the main body being an i...
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WO/2024/012121A1 |
A polyolefin hollow fiber membrane for asymmetric degassing, a preparation method therefor, and use thereof in removing oxygen and carbon dioxide from ultrapure water. The polyolefin hollow fiber membrane comprises a main body; one side ...
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WO/2024/013443A1 |
The present invention relates to a method for purifying 1,1,1,2,3,3-hexafluoropropane from a mixture comprising 1,1,1,2,3,3-hexafluoropropane and at least one contaminant selected from the group consisting of hydrogen, nitrogen and oxyge...
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WO/2024/015277A1 |
Ion exchange membranes and materials including silica-based ceramics with ion exchange functional groups and hydrophobic groups, and associated methods, are provided. In some aspects, ion exchange membranes that include a silica-based ce...
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WO/2024/014285A1 |
The present invention provides a new separation membrane that is suitable for separating an acidic gas from a gas mixture containing the acidic gas. A separation membrane 10 according to the present invention is provided with a separatio...
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WO/2024/013442A1 |
The present invention relates to a method for purifying chlorotrifluoroethylene from a mixture comprising chlorotrifluoroethylene (CTFE) and a hydrofluoroolefin; said method comprising a step (a') of bringing said mixture into contact wi...
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