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WO/2021/126952A1 |
A breathable film includes a substrate, a membrane disposed on the substrate, and an adhesive interposed between the substrate and the membrane. The membrane includes a plurality of fibers of polyvinylidene fluoride. The breathable film ...
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WO/2021/121839A1 |
The invention relates to a filter material and/or filler material for mouthpieces for use with smoking products or HNB products, the filter material and/or filler material being based on cellulose acetate filaments, at least parts of whi...
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WO/2021/117361A1 |
This separation membrane sheet, through which a specific gas component is selectively pass, has: a first porous layer; a separation functional layer laminated on the first porous layer; and a second porous layer laminated on the opposite...
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WO/2021/118681A1 |
Compositions and methods directed to the production of single layer, highly porous, free-standing polytetrafluoroethylene (PTFE) membranes having macro- textured surfaces are provided. The macro-textured surfaces are due to the presence ...
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WO/2021/116488A1 |
The present invention relates to an anti-fouling, semi- permeable membrane comprising a porous support layer, a thin film composite (TFC) layer formed on a surface of the support layer, and a cross-linked polyvinyl alcohol (PVA) layer fo...
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WO/2021/117362A1 |
A gas separation method in which a separation membrane sheet that selectively permits permeation of a specific gas component is used. The separation membrane sheet has a first porous layer, a separation function layer laminated on the fi...
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WO/2021/117631A1 |
Provided is a composite semi-permeable membrane including: a porous support membrane; a separation function layer that is provided on the porous support membrane and that contains polyamide; and a coating layer that is provided on the se...
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WO/2021/110467A1 |
A porous membrane obtainable by a process comprising curing a composition comprising: (i) cross-linking agent(s) comprising at least one ligand group; (ii) inert solvent(s); (iii) polymerization initiator(s); and (vi) optionally monomer(...
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WO/2021/110468A1 |
A porous membrane obtainable by a process comprising curing a composition comprising: (i) cross-linking agent(s); (ii) monomer(s) comprising one polymerisable group and at least one ligand group; (iii) inert solvent(s); and (iv) polymeri...
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WO/2021/109333A1 |
Provided is a method for preparing a monodisperse diesel emulsion: taking a two-dimensional MXene-modified hydrophobic ceramic membrane as an emulsification medium, using water as the dispersed phase, and using diesel fuel having added e...
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WO/2021/110954A1 |
The present invention relates to a membrane for purifying a biological fluid, comprising at least one poly(aryl ether sulfone) (PAES) polymer based on one specific dihydroxy monomer. The present invention also relates to a purification m...
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WO/2021/109621A1 |
A polyamide reverse osmosis membrane and a production method therefor. The polyamide contains a structural unit derived from a sulfonated phenylenediamine monomer, and a structural unit derived from an acyl chloride monomer, and an optio...
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WO/2021/110716A1 |
In a first aspect, the invention provides a method for manufacturing an integrated permeate channel membrane, said method comprising the steps of (i) providing a membrane layer to each of a first fabric layer and a second fabric layer, t...
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WO/2021/113202A1 |
A method for making a gas separation membrane comprises dissolving and mixing poly(etherb-amide)(Pebax) copolymer and acrylate-terminated polyethylene glycol oligomers (PEGDA) in a solvent, casting the polymer solution into a mold, remov...
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WO/2021/106726A1 |
The present invention pertains to a porous membrane comprising a porous resin layer that contains a polymer containing a polyvinylidene fluoride resin as a main component, wherein: a branched polyvinylidene fluoride resin is contained as...
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WO/2021/105838A1 |
Hollow fiber membranes, membrane contactors, and related production and use methods. The asymmetric hollow fiber membranes include a porous substrate having a multiplicity of pores and including at least one semi-crystalline thermoplasti...
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WO/2021/108199A1 |
This disclosure provides a sorbent for at least one metal. The sorbent includes a core particle and a ceramic nanoparticulate cation exchanger for at least one metal that is disposed about the core particle. The core particle is chosen f...
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WO/2021/100804A1 |
The present invention addresses the problem of providing a porous separation membrane that, even after a long-term use, shows little decrease in protein permeability. The porous separation membrane is obtained: by having an asymmetrica...
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WO/2021/101995A1 |
The present application relates to a multizone, unsupported, microporous, high throughput membrane. The membrane includes a first microporous zone, a second microporous zone, and a third microporous zone, where the third microporous zone...
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WO/2021/101987A1 |
The present application relates to an unsupported, permanently hydrophilic filtration membrane, and its method of formation. The membrane comprises a polymeric matrix material and a cross-linked polyoxazoline hydrophilic additive blended...
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WO/2021/099578A1 |
The present invention relates to a method for preparing a membrane comprising sorbent particles that bind urea. The invention also relates to the sorbent-comprising membranes per se, and to methods of using the membranes. The membranes a...
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WO/2021/099522A1 |
Disclosed are methods for coupling a ligand to a composite material. Covalent bonds are formed between functionalized composite materials and ligands as a ligand solution flows through or across the composite materials. The composite mat...
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WO/2021/099937A1 |
The present invention relates to a hydrophilic polyimide including at least one type of building blocks [A-B] and [A-C], and represented by the formula -[A-B]n-[A-C]m- (I), wherein: the n-bracketed building blocks and the m-bracketed bui...
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WO/2021/099776A1 |
A filter element for filtering a fluid is described. The filter element comprises diamond particles fixed to a filter substrate. Also described is a method for the manufacture of the filter element and a filtration device comprising the ...
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WO/2021/093001A1 |
A method for preparing a nanofiltration membrane and a nanofiltration membrane prepared therefrom, the method comprising the following steps: dissolving a polymer in a solvent to prepare a polymer solution, and curing the polymer solutio...
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WO/2021/091476A1 |
A separation membrane for water treatment, a method for manufacturing the same and a portable liquid container comprising the separation membrane as filter, wherein the bipolar separation membrane comprises: a support membrane over which...
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WO/2021/091485A1 |
The present invention provides a nanocomposite coating comprising: a two-dimensional material; and a polymer, wherein the nanocomposite coating is semi-permeable and is for providing on porous material to improve selectivity towards one ...
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WO/2021/090217A1 |
The present disclosure is related to a polymeric membrane, comprising a modified surface obtained from coating with hydrophilic monomers and curing the hydrophilic monomers with actinic irradiation, preferably UV light, wherein the hydro...
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WO/2021/090215A1 |
The present disclosure is related to a polymeric membrane, comprising a modified surface obtained from coating with hydrophilic monomers and curing the hydrophilic monomers with electron beam, wherein the hydrophilic monomers comprise at...
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WO/2021/088665A1 |
An antifouling and hydrophilic polyethersulfone ultrafiltration membrane and a preparation method therefor. By using a Co-γ radiation grafting chemical modification method, an unsaturated bond-containing ionic liquid linked by chemical ...
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WO/2021/090919A1 |
The present invention addresses the problem of providing an ion exchange membrane through which ions permeate easier than through a conventional profile membrane, which has a small pressure loss in a flow path, and in which clogging due ...
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WO/2021/091919A1 |
A challenge in the development of anion exchange membranes for fuel cells is the design and synthesis of membranes that can endure highly alkaline environments while rapidly transporting hydroxides. A design for using cross-linked polyme...
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WO/2021/084080A1 |
The invention relates to membranes for separation, removal and/or concentration purposes. The object of the invention is the simple and reliable adsorption of the molecules and to simplify the desorption of target molecules that are adso...
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WO/2021/083162A1 |
Disclosed in the present invention are a polymer-based film, a preparation method therefor, and use thereof. The film has a loofah-like structure, the loofah-like structure comprises a fibrous framework structure formed by three-dimensio...
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WO/2021/085037A1 |
A filter module case according to the present invention is provided with a casing, a cap, a first layer and a second layer. The casing has a generally cylindrical shape that extends in the axial direction. The cap has a generally cylindr...
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WO/2021/085600A1 |
A composite semipermeable membrane according to the present invention comprises a separation functional layer, wherein the separation functional layer contains, as a main component, a semi-aromatic crosslinked polyamide, which is a conde...
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WO/2021/085599A1 |
The composite semi-permeable membrane according to the present invention is provided with: a support film including a base material and a porous support layer; and a separation function layer containing a crosslinked aromatic polyamide a...
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WO/2021/084869A1 |
Provided are: a manufacturing method for an electrolyte that can contain microbubbles at a high concentration by suppressing a reduction in microbubbles during filtering; and a manufacturing method for a microbubble-containing solvent th...
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WO/2021/085766A1 |
Provided are a spiral wound-type separation membrane module and a method of manufacturing the same. A spiral wound-type separation membrane module according to an embodiment of the present invention comprises: an outlet pipe; a filter as...
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WO/2021/077966A1 |
A microporous inorganic filter membrane. An inorganic filter membrane is prepared by a urease active microbial calcium carbonate composite system. The urease active microbial calcium carbonate composite system is prepared, and the hydrol...
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WO/2021/078832A1 |
An extracorporeal blood treatment device comprises a single housing defining an internal blood flow cavity. The housing accommodates an oxygenator, a heat exchanger and an additional mass transfer assembly, each having an array of fluid ...
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WO/2021/079750A1 |
The present invention relates to a method for producing an aqueous polymer dispersion, said method comprising a membrane filtration step wherein an aqueous polymer dispersion containing a polymer and water is filtered with use of a filtr...
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WO/2021/079609A1 |
Provided is a CO2 facilitated transport membrane having improved CO2 permeance and CO2 permselectivity. The CO2 facilitated transport membrane is formed so as to contain a CO2 carrier and a particulate moisture absorption agent within a ...
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WO/2021/081121A1 |
An electrical water filter device includes a plurality of porous electrodes and one or more porous separators. Each of the one or more porous separators is interposed between two adjacent porous electrodes. A respective porous electrode ...
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WO/2021/081361A1 |
An apparatus and method for transferring nanofiber structures (e.g., nanofiber films, nanofiber sheets, stacks of nanofiber grids, nanofiber films, nanofiber sheets, and combinations thereof) between various substrates are described. The...
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WO/2021/079867A1 |
Provided is a desalination performance restoring agent for a cellulose acetate membrane, the agent containing a solvent and a modified polyvinyl alcohol mixed in the solvent. The modified polyvinyl alcohol contains a modified polyvinyl a...
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WO/2021/074229A1 |
The present invention relates to a method for the manufacture of a membrane system including a porous membrane formed from a first polymer and particles of at least one second polymer different from the first polymer.
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WO/2021/074235A1 |
The present invention relates to a membrane system including a hollow fiber membrane and static mixer separately arranged within the hollow portion of the hollow fiber membrane, a spinneret for manufacturing the membrane system, a device...
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WO/2021/073100A1 |
A method for preparing a high-strength ceramic filter membrane, comprising: heating support ceramic aggregate particles in a vacuum state to 100-300℃ to dry same for 24-72 h; then mixing pre-prepared dispersed nano sintering aids with ...
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WO/2021/070955A1 |
This raw-material liquid concentration system is for use in a pharmaceutical product manufacturing process, and employs a membrane-distillation method involving: bringing a raw-material liquid containing a solvent and a solute into conta...
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