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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/2024/007767A1 |
An asymmetric cellulosic filter membrane used for virus removal and a preparation method therefor. The filter membrane comprises a main body, wherein one side surface of the main body is a first outer surface, and the other side surface ...
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WO/2024/011166A1 |
Charged ultrafiltration membranes are synthesized by thermally initiated free-radical polymerization of sodium styrene sulfonate in the pores of an ultrafiltration precursor membrane. The resulting grafted chains of the charged UF membra...
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WO/2024/003351A1 |
The present invention pertains to the use of polymer additive comprising zwitterionic moieties in membranes based on vinylidene fluoride (VDF) polymers for increasing the flux of said membranes. Said composition comprising vinylidene flu...
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WO/2024/006133A1 |
The invention discloses a dope solution for membrane fabrication comprising a blend of TEP with NMP as a solvent system in a process to make PVDF membranes, where PVDF resin comprises a homopolymer resin, or a copolymer of VDF and at lea...
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WO/2024/003352A1 |
The present invention pertains to the use of polymer additive comprising zwitterionic moieties in membranes based on vinylidene fluoride (VDF) polymers for decreasing transmembrane pressure at constant flux of said membranes. Said compos...
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WO/2024/002382A1 |
Disclosed in the present invention is a preparation method for a chelating membrane for purifying wet electronic chemicals, comprising the following steps: carrying out hydrophilic treatment on a porous PTFE membrane to obtain a hydrophi...
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WO/2024/003246A1 |
The present invention relates to a filter module comprising an ester-based membrane and at least one boundary member, wherein the peripheral region of the membrane is connected to the at least one boundary member, and wherein the surface...
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WO/2023/248020A1 |
A separation article is provided that is useful for separation of complex samples that contain materials having different sizes and optionally having different ionic groups. The separation articles include a plurality of block copolymers...
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WO/2023/247987A1 |
The present invention relates to filtration membranes useful in metal ion separation, gas separation and water purification/desalination. In particular, the present invention relates to a new type of membrane including metal organic fram...
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WO/2023/244892A1 |
Methods for treating a surface of a microporous membrane are provided, comprising: contacting the membrane with a treatment composition to form a silane-treated membrane; subjecting the silane-treated membrane to conditions sufficient to...
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WO/2023/244736A1 |
Described are porous polymeric filter membranes that have a multi-asymmetric pore structure through a thickness of the membrane and to methods of making and using the porous polymeric filter membranes.
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WO/2023/237523A1 |
The present invention relates to a method for coating a preferably porous and/or hydrophilic hollow-fiber membrane (1) with a coating material (B), the method comprising the steps of: providing the hollow-fiber membrane (1) that has a co...
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WO/2023/239680A1 |
A solid-liquid separation system configured to produce a filtrate includes an inlet zone configured to receive a solid-liquid slurry; a filter including a dynamic membrane, the dynamic membrane including a liquid-permeable supporting ele...
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WO/2023/237365A1 |
The present invention relates to a process for the preparation of a membrane (M) containing a sulfonated polyarylenesulfone polymer (sP) and at least one further polymer (fP), the membrane (M) obtained by the inventive process, a filtrat...
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WO/2023/237525A1 |
The present invention relates to a method for coating a preferably porous and/or hydrophilic hollow-fiber membrane (1) with a coating material (B), the method comprising the steps of: providing the hollow-fiber membrane (1) that has a co...
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WO/2023/199204A9 |
A venting composite membrane, a corresponding manufacturing method, and a component obtained with the same are disclosed. The venting membrane includes a supporting woven fabric made of woven polymeric monofilaments, and a membrane attac...
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WO/2023/229110A1 |
A concentration filter for selectively concentrating a sample, a method for manufacturing the concentration filter, and a sample concentration device are disclosed. The selective concentration filter of the present invention comprises: a...
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WO/2023/227502A1 |
A cation exchange membrane comprising a lithium-ion selective layer and a base layer obtainable by curing a composition comprising a first crosslinking agent comprising a bissulphonylimide group and at least two polymerisable groups and ...
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WO/2022/226329A9 |
Disclosed are crosslinked copolymer network, comprising a copolymer, comprising a plurality of zwitterionic repeat units, and a plurality of a first type of hydrophobic repeat units; a plurality of crosslinking units; and a plurality of ...
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WO/2023/229390A1 |
The present invention relates to a thin-film composite membrane for water treatment and a method for manufacturing same. A selective layer of the thin-film composite membrane according to the present invention is based on cross-linked qu...
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WO/2023/225338A1 |
Described are porous polymeric membrane composites that contain crosslinked fluorinated ionomer at a surface of a microporous membrane support, and related methods.
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WO/2023/222117A1 |
A separation membrane, a preparation method therefor and a use thereof in magnesium and lithium separation. The separation membrane comprises, in sequence, a base material layer, a porous support layer, a polyamide layer and a modificati...
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WO/2023/225217A1 |
The disclosure provides porous membranes capable of removing very small particulates from a liquid composition. In certain embodiments, the porous membranes comprise poly(tetrafluoroethylene), wherein the membrane is at least partially c...
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WO/2023/219223A1 |
The present invention relates to a water treatment separation membrane and, more specifically, to a water treatment separation membrane for home use, a manufacturing method therefor, and a separation membrane module comprising same, wher...
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WO/2023/217814A1 |
A surface treatment for a membrane, having a cross-linkable diacrylate solution used to make the cross-linked coating comprises a solution of at least one of 2.4-3.4% Hydroxypropyl acrylate and 1.1-2.1% polyethylene glycol diacrylate; 2....
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WO/2023/217813A2 |
Methods are disclosed for filtering a biological fluid that includes housing a surface treated porous membrane in a filtration device, optionally a virus filtration device, having an input and an output; introducing a biological fluid in...
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WO/2023/220458A1 |
In various aspects, methods of preparing mesoporous polyimide membranes are provided. The polyimide membranes are useful as separators in various electrochemical devices, in particular in alkali metal batteries where the controllable por...
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WO/2023/214425A1 |
The present invention relates to a highly cost-effective and sustainable method of gold extraction in which aqueous Au3+ is precipitated selectively as it's complex with niacin-incorporated polystyrene, with a formula [AuCl4] -[2Niacin+H...
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WO/2023/209112A1 |
The invention relates to mixed matrix membranes (MMM) for the filtration and separation of gasses, the membrane comprising a glassy-polymer matrix with at least 20 or 30 % w/w (zeolite/polymer) o characterised in that the zeolite polymer...
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WO/2023/212321A1 |
Described are porous, sintered inorganic bodies that include multiple layers made from different types of metal particles, that may be useful as filter membranes, and also to methods of making and using the porous, sintered inorganic bod...
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WO/2023/200979A1 |
An ML-assisted framework is disclosed that can guide the design of fit-for-purpose separation membranes for resource recovery and clean water production from wastewaters. Approaches and methodologies for executing the work include the in...
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WO/2023/198214A1 |
A preparation method for a polyamide nanofiltration membrane applicable to the treatment of oilfield reinjection water. The method comprises: adding a pore-forming agent and a polymer into a high-polarity organic solvent, stirring same w...
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WO/2023/197565A1 |
A fibrous root-like self-repairing and anti-pollution ZnO/Mxene base membrane and a preparation method therefor and an application thereof. The method comprises: dissolving nano ZnO in water to prepare a ZnO seed solution; diluting, then...
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WO/2023/194972A1 |
A mixed matrix membrane for molecular separation includes a plurality of metal organic framework (MOF) nanosheets, the MOF comprising a square grid pillared by an inorganic building block, the square grid being Ni(pyrazine)2 and the inor...
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WO/2023/194969A1 |
In general, embodiments of the present disclosure describe mixed linker metal- organic framework (MOF) membrane composition, the MOF composition comprises a plurality of polynuclear metal clusters, wherein at least one of the polynuclear...
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WO/2023/185303A1 |
A nanofiltration composite membrane and a preparation method therefor. The preparation method comprises: preparing a graphene oxide dispersion liquid; adding tannic acid to the graphene oxide dispersion liquid to perform a reduction reac...
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WO/2023/186813A1 |
The present invention relates to a method for the preparation of a membrane (M), the membrane (M) comprising a sulfonated poly(arylene ether sulfone) polymer (sP) and a non-sulfonated poly(arylene sulfone) polymer (P), to the membrane (M...
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WO/2023/186622A1 |
A bipolar membrane comprising an anion exchange layer and a cation exchange layer, wherein the cation exchange layer is obtainable by curing a composition comprising: (a) a first crosslinking agent comprising an anionic group and at leas...
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WO/2023/184017A1 |
A system involves interleaving high aspect ratio, rod-like aldehyde-modified cellulose nanomaterials (ACN) between graphene oxide (GO) sheets and utilizing crosslinkers to create a dense, crosslinked network that is highly permeable and ...
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WO/2023/192482A1 |
Disclosed are composite membranes comprising a porous support and a selective layer comprising a first copolymer and a second copolymer wherein: the first copolymer comprises a first plurality of hydrophobic repeat units and a plurality ...
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WO/2023/186616A1 |
A gas separation membrane comprising the following layers: (i) optionally a support layer; (ii) a discriminating layer; (iii) a further layer; and (iv) optionally a protective layer; wherein (a) the further layer (iii) and the discrimina...
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WO/2023/186615A1 |
A gas separation membrane comprising the following layers: (ii) a support layer; (ii) a discriminating layer; (iii) a further layer, wherein the further layer comprises groups of Formula (1): M-(O-)x wherein: each M independently is a me...
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WO/2023/187112A1 |
Barriers including molecules covalently bonded to amphiphilic molecules, and methods of making the same, are provided herein. In some examples, a barrier between first and second fluids includes one or more layers comprising a plurality ...
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WO/2023/185326A1 |
A polyamide membrane, comprising a quaternary ring product obtained from an addition reaction of cinnamamide and/or a cinnamamide derivative; the polyamide membrane comprises a component A, a component B and a component C, the component ...
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WO/2023/182531A1 |
The problem of an aspect of the present invention is to provide a new organic-inorganic hybrid membrane composite having good permeance, and techniques related thereto. The organic-inorganic hybrid membrane composite according to an aspe...
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WO/2023/183620A1 |
Described are devices for purifying a liquid that is contained in a sealable container, to storage systems for containing and purifying a liquid, and to related methods.
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WO/2023/175406A1 |
A device (100) for water purification includes one or more first layers (110) including a semipermeable membrane and one or more second layers (120) in contact with the one or more first layers (110), wherein the one or more second layer...
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WO/2023/170690A1 |
A process of preparing a crosslinked asymmetric membrane for solvent nanofiltration, comprising: (1) dissolving an aromatic polymer and one or more aromatic polyamine ( s ) in an organic solvent system to form a casting solution; (ii) ca...
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WO/2023/169630A1 |
The invention relates to a monolithic component, in particular as a device or for a device for separating constituents from a fluid. The monolithic component comprises a carrier fluid inlet and a carrier fluid discharge, a monolithic str...
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