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WO/2022/094162A1 |
This invention allows for the production of high strength and high permeability TIPS membranes using extractable fillers with fine powder PVDF grades.
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WO/2022/083067A1 |
The present disclosure provides a method for preparing a poly(4-methyl-1-pentene) hollow fiber membrane having a graded pore structure by combining thermally-induced phase separation and nonsolvent induced phase separation, comprising: p...
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WO/2022/086179A1 |
A super-hydrophilic surface treatment method for a filter medium of an oil/water-separating filter, according to the present invention, comprises the steps of: preparing a filter medium or a filtration filter comprising the filter medium...
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WO/2022/078785A1 |
The present disclosure relates to an anticoagulant-coated microporous hollow fiber membrane showing reduced thrombo- genicity. The disclosure further relates to a method for producing the membrane and a filtration and/or diffusion device...
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WO/2022/077562A1 |
Provided are a metal-organic framework material separation membrane and a method for preparing a metal-organic framework material separation membrane. The metal-organic framework material separation membrane comprises a base membrane and...
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WO/2022/078900A1 |
A process for the manufacture of a sulfonated polyarylene(ether)sulfone comprising feeding of a solution (S1) comprising a sulfonated polyarylene(ether) sulfone and sulfuric acid into a tooth rim dispersion machine, wherein the solution ...
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WO/2022/079676A1 |
The present disclosure relates to a method of preparing ceramic filtration membranes with a low defect rate and improved filtration performances. The ceramic filtration membranes have a layered structure, wherein the layers are concerted...
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WO/2022/073407A1 |
Provided by the present invention is a method for preparing a porous polymer semi-permeable membrane: in a solvent which can dissolve both, dissolving and mixing a hydrophobic polynorbornene polymer with a hydrophilic small molecule cros...
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WO/2022/075981A1 |
The present disclosure describes fluid-wicking membranes, methods of making fluid-wicking membranes, and flow assay membranes. In one example, a fluid-wicking membrane can include a substrate and a porous coating layer over the substrate...
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WO/2022/073323A1 |
A preparation method for a CHA-type zeolite molecular sieve membrane. A gel method is adopted to assist in crystallization, the surface of a porous carrier is sequentially coated with a large-seed crystal solution and a small-seed crysta...
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WO/2022/068110A1 |
Disclosed are a ceramic filter membrane with a membrane thickness in a gradient distribution, and a preparation method therefor. The pure water flux of the ceramic filter membrane is 2100-2800 LMH under a pressure of 0.1 MPa. The ceramic...
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WO/2022/068109A1 |
Disclosed in the present invention are a high-flux anti-pollution ceramic filter membrane and a preparation method therefor. The ceramic filter membrane has a pure water flux of 2600-3200 LMH under a pressure of 0.1 MPa, comprises a cera...
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WO/2022/069384A1 |
A polymer film obtainable by polymerising a composition comprising: (a) a compound Formula (I); wherein: R is C1-4-alkyl, NH2 or C6-12-aryl; and M+ is a cation; (b) a monomer comprising at least two polymerisable groups; and (c) a solven...
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WO/2022/058961A1 |
Molecularly porous cross-linked membranes (MPCMs) are described. For example, MPCMs prepared by interfacial polymerization of a reactive macrocycle monomer with intrinsic microporous structure are provided. Macrocycles with multiple reac...
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WO/2022/058610A1 |
Disclosed is a method for producing a hierarchically porous structure, said method comprising a coating of a macroporous structure with metal nanoparticles and a metal-induced etching of the coated macroporous structure in order to produ...
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WO/2022/049193A1 |
A composite membrane comprising: a) a first layer comprising a first porous support and a first ionic polymer present in the pores of the first porous support; b) a second layer comprising a second porous support and a second ionic polym...
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WO/2022/049312A2 |
In a first aspect, the present invention relates to a coating apparatus (41, 42) for double-sidedly coating a porous web (10) with a dope (30), comprising: (i) a slot-die coating head (50) comprising an upper lip (51), a lower lip (52) a...
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WO/2022/050542A1 |
The present invention relates to an ultra-thin polymer separation membrane comprising: a porous polymer support layer; a gutter layer formed on the porous polymer support layer; and a semi-crystalline polymer selection layer formed on th...
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WO/2022/046884A1 |
Some embodiments of the present disclosure relate to a composite membrane. In some embodiments, the composite membrane comprises a first fluoropolymer membrane and a second fluoropolymer membrane. In some embodiments a difference between...
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WO/2022/043981A1 |
Embodiments of the present disclosure provide a carbon molecular sieve membrane (and precursors therefor) including a pyrolysis product of an oxygen-free ladder polymer of intrinsic microporosity. Embodiments of the present disclosure fu...
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WO/2022/046758A1 |
A separation membrane comprising a microflltration membrane having one or more zinc oxide layers thereon. The separation membrane can be made by depositing multiple zinc oxide layers onto the microflltration membrane by an atomic layer d...
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WO/2022/042816A1 |
The present invention relates to a membrane (M) comprising an amorphous polymer (P) comprising repeat units of the formulas (RU1), (RU2) and (RU3). Moreover, the present invention relates to a process for the preparation of said membrane...
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WO/2022/040790A1 |
Herein, we demonstrate a hierarchical nano-structured water purification membrane fabricated with polyvinyl alcohol (PVA) nanofibers and polypyrrole (PPy) nanoparticles to achieve efficient emulsion separation with low oil-adhesion prope...
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WO/2022/038095A1 |
Disclosed is an additive manufacturing process for manufacturing a part having an at least partially or at least regionally porous material structure, in particular in the form of a filter element or filter device, the method comprising ...
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WO/2022/037492A1 |
The present invention provides an asymmetric hydrophobic polyolefin hollow fiber membrane, preparation method therefor, and use thereof. The hollow fiber membrane comprises a support layer and a separation layer. The separation layer com...
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WO/2022/038093A1 |
Disclosed is an additive manufacturing process for manufacturing a part having an at least partially or at least regionally porous material structure, in particular in the form of a filter element or filter device, the process comprising...
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WO/2022/038094A1 |
The invention relates to an additive manufacturing process for manufacturing an inorganic component having an at least partially or at least regionally porous material structure, in particular in the form of a filter element or filter de...
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WO/2022/040154A1 |
Articles including poly(2,2,3,3,4,4,4-heptafluorobutyl methacrylate) or poly(2,2,3,3,4,4,4-heptafluorobutyl acrylate), fluoropolymers that do not form perfluorooctanoic acid (PFOA) when they degrade and that exhibit unexpectedly good oil...
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WO/2022/038344A1 |
Described herein is a membrane for use in membrane distillation, comprising a porous polymer matrix and functionalized graphene or graphene oxide, the graphene or graphene oxide being functionalized with a polyhedral oligomeric silsesqui...
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WO/2022/032730A1 |
A method for preparing a solvent-resistant reverse osmosis composite membrane. A photocatalytic modification technology is used. An inorganic photocatalytic nanomaterial is introduced into a polysulfone base membrane and a polyamide ultr...
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WO/2022/033637A1 |
The invention relates to a device for drying dialysis filter cartridges, candle filters and other enclosed filter systems, comprising a microwave chamber which is equipped with a filter module. The microwave chamber is characterised in t...
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WO/2022/031993A1 |
The present disclosure provides an improved filtration membrane suitable for filtration of blood in vivo. The improved filtration membrane is resistant to breakage with minimal areal penalty due to presence of a system of supports on the...
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WO/2022/026136A1 |
A method of forming a carbon molecular sieve membrane includes dissolving a halogenated precursor polymer in a solvent, thereby forming a dissolved halogenated precursor polymer. Homogeneously dehydrohalogenating the dissolved halogenate...
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WO/2022/026505A1 |
A coated ultrafiltration device comprises an upper chamber; a lower chamber; a filtration chamber disposed between the upper chamber and lower chamber; and a semipermeable membrane disposed substantially vertically around the filtration ...
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WO/2022/026724A1 |
A diagnostic chip for detecting biomarkers and trace amounts of nanoparticles in chemical mixtures or in water. The diagnostic chip includes one or more inputs, where a sample containing differently sized particles is introduced into at ...
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WO/2022/021952A1 |
Disclosed is a preparation method for an MBR flat filter membrane for domestic sewage treatment. The method comprises the following steps: modification of nanoparticles, preparation of a polyethylene membrane-casting solution, preparatio...
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WO/2022/019834A1 |
Disclosed herein are vapour-phase crosslin ked composite membranes in the form of crosslinked polymers and defined inorganic materials. The membranes disclosed herein may have a narrow pore size distribution and precise molecule separati...
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WO/2022/018697A1 |
Crown ether (CE) functionalized metal organic framework (MOF) compositions (CEMOFs) and membranes comprising CEMOFs for lithium or other ion transport and/or ion separation, and related components, systems and processes utilizing CEMOFs ...
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WO/2022/011556A1 |
A nanofiber air filter membrane and a manufacturing method therefor. The filter membrane is manufactured by using a copolymer of vinylidene fluoride and hexafluoropropylene (PVDF-HFP), and polyacrylonitrile (PAN), wherein the content of ...
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WO/2022/011689A1 |
A high filtration filter for filtering aerosols with low pressure drop across the filter and reduced cake formation when the aerosols penetrate through from an upstream side to a downstream side is disclosed. The filter (100) includes a ...
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WO/2022/014762A1 |
The present invention relates to a multi-stage membrane separation process that combines: (I) a multi-stage membrane separation process for capturing carbon dioxide contained in combustion flue gas; and (II) a process for concentrating n...
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WO/2022/010941A1 |
A product includes a nanoporous membrane having a plurality of carbon nanotubes and a fill material in interstitial spaces between the carbon nanotubes for limiting or preventing fluidic transfer between opposite sides of the nanoporous ...
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WO/2022/008370A1 |
The invention relates to a seamless manufacturing processes for 3-dimensional waterproof and breathable porous polymer membranes by spraying, dip-coating or painting a substrate with a dispersion comprising polymer, coated or non-coated ...
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WO/2022/010960A1 |
Molybdenum disulfide membranes for ionic and/or molecular filtration applications are provided. The membranes have high separation performance, including high water flux and high molecule and/or ion rejection, and do not need to be store...
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WO/2022/008883A1 |
Certain examples of the present disclosure relate to a method for manufacturing a ceramic object, the method comprising: forming a ceramic structure by 3D printing the ceramic structure with a binder jetting 3D ceramic printer using a ce...
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WO/2022/005144A2 |
The present invention relates to a flat ceramic separation membrane manufacturing method to which tape casting is applied, and relates to a flat ceramic separation membrane manufacturing method for separating, into a solid and a liquid, ...
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WO/2022/002788A1 |
Disclosed herein is a process for preparing a hollow fiber comprising the steps of providing a dope solution comprising polyamide imide (PAI), providing an aqueous bore solution comprising polyethylene imine (PEI), extruding the dope sol...
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WO/2021/258130A1 |
The present disclosure generally relates to liquid separation membranes. The present disclosure also relates to membranes comprising at least a nanoporous hydrophilic layer and a porous hydrophobic substrate. The present disclosure also ...
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WO/2021/262018A1 |
The invention relates to an oxygen transporting membrane, comprising a matrix and particles with magnetic properties dispersed therein, wherein concentration of the particles with magnetic properties increases between one internal membra...
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WO/2021/262750A1 |
Provided are certain composite membranes useful for removing various impurities from liquids. In certain aspects, the composite membranes comprise a hydrophobic polymer having a polyamide coated thereon, and in other aspects, such compos...
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