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WO/2018/182441A9 |
The multi-layered membrane (100) for separating oil and water includes a porous top layer (110), a porous bottom layer (130), and a particulate middle layer (120) positioned between the top layer (110) and the bottom layer (130), the mid...
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WO/2019/178095A1 |
A ring-opening metathesis polymer that is grafted with a free-radical initiator is subject to the radical polymerization of a fluoroalkene for the production of an ion- exchange hydrocarbon-fluorocarbon copolymer. The ring-opening metath...
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WO/2019/176474A1 |
The present invention provides a fluid separation membrane which is capable of maintaining separation performance for a long period of time. The present invention is a fluid separation membrane which comprises a separation layer that is ...
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WO/2019/175162A1 |
The invention relates to carbon supported crack- and tear free graphene membranes of large area useful for selective gas separation, method of preparation and uses thereof. In particular, the invention relates to carbon supported crack- ...
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WO/2019/178077A1 |
Embodiments disclosed herein provide a pleatable freestanding isoporous block-copolymer ("BCP") thin films fabricated sans substrate at a size suitable for fabricating pleated cartridges. The thin films have narrow pore size distribution...
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WO/2019/175366A1 |
A porous membrane having a porous matrix formed of a thermoplastic polymer material and inorganic filler particles embedded in the porous matrix, the inorganic filler particles having an accessible surface comprising nucleophilic groups ...
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WO/2019/177966A1 |
Described are filtration membranes that include a porous fluoropolymer membrane and thermally stable ionic groups; filters and filter components that include these filtration membranes; methods of making the filtration membranes, filters...
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WO/2019/173454A1 |
Described herein is a graphene material such as graphene oxide and polymer based selectively permeable element that provides selective permeability between polar and non-polar molecules such as fluid, gas or vapor. The methods for making...
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WO/2019/172530A1 |
Disclosed are a water purification semiconductor filter and a water purification apparatus using same. The water purification semiconductor filter according to an embodiment of the present invention comprises a semiconductor substrate ha...
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WO/2019/171409A1 |
The invention relates to dense synthetic membranes made from polymerised phosphonium-based ionic liquids which were found to be particularly suitable for use in gas separation. The membranes are obtainable by copolymerization via UV-curi...
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WO/2019/173595A2 |
The present disclosure relates to methods for using functional molecules and other structural carbon-based molecules with rigid backbones and kinked segments to alter the interactions between molecules, and consequently improve/modify th...
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WO/2019/172806A1 |
The group of inventions relates to the field of fabric industry, in particular, to special-purpose materials, characterized by high vapor permeability and water resistance, at low air permeability, and can be applied in the production of...
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WO/2019/171276A1 |
Embodiments of the present disclosure describe thin-film composite membranes comprising a of the present disclosure further describe methods of preparing membranes, methods of manufacturing membranes, methods of separating chemical speci...
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WO/2019/172368A1 |
[Problem] To provide a PVDF-based microporous membrane that is novel in pore size and distribution, the PVDF-based microporous membrane exhibiting a very sharp pore size distribution that has not been seen in the prior art. Provided is a...
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WO/2019/171250A1 |
Embodiments of the present disclosure describe polymer blend membranes comprising a layer including a polymer blend of regenerated cellulose and polydimethylsiloxane and a support in contact with the layer. Embodiments of the present dis...
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WO/2019/172077A1 |
A hollow-fiber membrane which comprises a vinylidene-fluoride-based resin and polyethylene glycol. The hollow fiber membrane contains the polyethylene glycol in an amount of 1.0 part by weight or larger but less than 5.0 parts by weight ...
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WO/2019/168138A1 |
A novel membrane is provided in which the permeate flow rate is not prone to decrease even when the membrane is used to process seawater with high salt concentration and high heavy metal ion concentration. This composite semipermeable me...
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WO/2019/165597A1 |
A functionalized polyimide prepared by brominating an aromatic polyimide and reacting the resulting brominated polyimide with a cyclic imide salt, a gas separation membrane comprising the functionalized polyimide of the invention, a gas ...
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WO/2019/168137A1 |
By having a coating layer, this composite semipermeable membrane has fouling resistance easily maintainable before and after contact with acid, and enables stable operation over a long period of time. This composite semipermeable membran...
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WO/2019/168134A1 |
The present invention relates to a composite semipermeable membrane comprising a substrate, a support layer, and a separation function layer, wherein: the support layer includes particles and a thermoplastic resin having a porous structu...
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WO/2019/168117A1 |
[Problem] To hydrophilize a polyvinylidene fluoride-based microporous membrane. [Solution] Provided are: a coating composition to be used for hydrophilization of the surface of a polyvinylidene fluoride-based microporous membrane, the co...
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WO/2019/169210A1 |
Disclosed herein is an improved membrane, separator and/or method for forming a multilayer microporous membrane for use in an improved battery separator, particularly a battery separator for a lithium ion secondary battery. Also disclose...
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WO/2019/165664A1 |
An interfacial polymerization reaction device (10), and a hollow fiber composite nanofiltration membrane preparation device and method. The device (10) comprises a coating assembly, a guide assembly and a drying assembly (14). The coatin...
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WO/2019/164954A1 |
Disclosed herein is a molecularly-mixed composite membrane comprising an amorphous scrambled porous organic compound (ASPOC) material and a polymer. With current developments in membrane technologies, there exists a need for largely scal...
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WO/2019/161199A1 |
The embodiments provide a modified filter membrane for separating a crude solution of a biological product and a viral contaminant. The filter membrane has a cellulosed based porous surface, and at least one divalent metal ion bound to t...
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WO/2019/159480A1 |
Provided according to one embodiment of the present disclosure is a method for producing a hollow fiber membrane provided with a step of laminating a filtration layer on the outer circumference of a tubular support layer having polytetra...
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WO/2019/159782A1 |
A gas separation device (2) is provided with a gas supply unit (26) and a zeolite membrane (12). The gas supply unit (26) can supply a mixed gas under 10 to 200 atm inclusive. The mixed gas contains at least CH4, CO2 and N2. The content ...
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WO/2019/154831A1 |
The present invention discloses a tubular membrane comprising on a surface thereof a Thin Film Composite (TFC) layer incorporating a vesicle comprising an amphiphilic diblock copolymer of the PMOXAa-b_PDMSc-d type as vesicle membrane for...
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WO/2019/157322A1 |
A spiral wound membrane module is suitable for use with high temperature water that may also have a high pH, for example steam injection produced water. The module uses a membrane with a polyphenylene sulfide (PPS) backing material. The ...
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WO/2019/156635A1 |
The present disclosure provides for a porous graphene composite comprising silanized graphene particles. The silanized graphene particles are comprised of porous graphene particles coated with a polymer comprising a catechol group and ha...
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WO/2019/156313A1 |
The present invention relates to a thin ceramic oxygen separator having enhanced durability by using a compact support layer in which a plurality of flow channels are formed vertically. A ceramic oxygen separator module of the present in...
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WO/2019/153946A1 |
A high-performance forward osmosis membrane, a preparation method therefor and an application thereof, wherein the method comprises the steps of: soaking the top surface of a base membrane in a water solution of a mixture of polyamidoami...
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WO/2019/156399A1 |
The present invention relates to a hydrogen gas barrier film having improved mechanical characteristics, thermal characteristics, and gas barrier characteristics, and to a manufacturing method therefor and, specifically, to a hydrogen ga...
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WO/2019/155946A1 |
The purpose of the present invention is to provide: a composite separation membrane which has not only comparatively excellent liquid-permeation performance and separation performance but also excellent durability, and therefore, is part...
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WO/2019/157407A1 |
Described herein are water desalination membranes and methods of desalinating water. Sulfonated poly(arylene ether) polymers are also disclosed, including those comprising one or more sulfonate groups at various points along the polymer ...
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WO/2019/151272A1 |
Provided is a method for producing a hydrophilic porous membrane that includes a porous film and a hydrophilizing coating, where the hydrophilizing coating covers at least part of the outer surface of the porous film. The method comprise...
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WO/2019/151075A1 |
A purpose of the present invention is to provide a method for manufacturing a composite semipermeable membrane, the method being capable of forming, on a surface of a porous support in a highly reproducible manner, a separation layer tha...
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WO/2019/152774A1 |
A system for extracting ions from an aqueous solution without utilizing ion exchange. A semi-permeable membrane with 0.1 to 1000 nm diameter pores separates an aqueous salt solution from a chelating gel. The gel has un-crosslinked polyme...
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WO/2019/151337A1 |
An asymmetric membrane containing a crosslinked polyimide resin comprising a polyimide resin crosslinked with a crosslinking agent, wherein the polyimide resin has a constituent unit (A) derived from a tetracarboxylic acid dianhydride an...
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WO/2019/150955A1 |
Provided are: a filter member for capturing extracellular microparticles, said filter member having a simple structure but yet being capable of achieving a high efficiency of capturing extracellular microparticles; a kit for capturing ex...
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WO/2019/146671A1 |
This reverse osmosis membrane is provided with: a porous support substrate 2; and a separation active layer 3 comprising a carbon film that contains organized carbon, the separation active layer 3 being formed on the surface of the porou...
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WO/2019/145481A1 |
The invention relates to the use of an uncoated cross-linked non-pyrolysed selective vinyl based halopolymer-membrane with a mwco of between 100 and 1000 Da, in the filtration of compounds from liquids comprising organic solvents and/or ...
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WO/2019/143165A1 |
The present invention relates to a ceramic filter membrane module. It is possible to filter a fluid to be filtered, such as raw water, with higher efficiency through a plurality of ceramic filters accommodated in a housing. In addition, ...
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WO/2019/142507A1 |
An aromatic polysulfone resin which has repeating units represented by formula (I) and formula (II) and in which the ratio (m:n) of the molar content (m) of the repeating units represented by formula (I) and the molar content (n) of the ...
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WO/2019/143299A1 |
The present invention relates to hyper-branched compounds, a method of synthesizingthe hyper-branched compounds and applications of the hyper-branched compounds. Thehyper-branched compounds of the present invention include hyper-branched...
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WO/2019/142531A1 |
This zeolite membrane composite (1) is provided with a support body (11) and a zeolite membrane (12) formed on the support body (11). The zeolite membrane (12) is an SAT-type zeolite membrane. Particles (121) having an aspect ratio of 1....
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WO/2019/141498A1 |
A module includes flat ceramic segments, a potting material and a housing. The module exhibits relatively low pressure decay. A method for preparing such a module is provided.
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WO/2019/143182A1 |
The present specification pertains to a method for preparation of a water-treatment separation membrane, the method comprising a step of contacting an aqueous solution containing free chloride and halogen ions with a polyamide activation...
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WO/2019/143951A1 |
The disclosure pertains to sanitizing the permeate flow path of a reverse osmosis system. A method of sanitizing a filtration system is disclosed that can include injecting a biocide into a permeate compartment of an operating reverse os...
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WO/2019/139435A1 |
The present invention relates to a graphene filter module for water treatment, comprising a graphene filter layer.
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