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WO/2021/071528A1 |
A method including contacting a stream including water with a coated porous substrate including a porous substrate coated with a hydrophilic and oleophobic coating to produce a treated water including water that passes through the coated...
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WO/2021/071034A1 |
The present invention relates to a crosslinked copolymer, a method for preparing same, and a gas separation membrane comprising the crosslinked copolymer, wherein the gas separation membrane comprises both a carbon dioxide-soluble functi...
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WO/2021/072102A1 |
Described are porous polymeric membranes that include two opposing sides and that have a variable pore structure through a thickness of the membrane; filter components and filters that include this type of porous polymeric membrane; meth...
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WO/2021/071509A1 |
Systems and methods using: a membrane unit to treat fluids recovered from an oil and gas well are provided. The membrane unit may include a membrane having a porous substrate at. least partially coated with graphene oxide, making the mem...
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WO/2021/069777A1 |
The invention relates to a physical and chemical water-conditioning device (1) comprising a duct or chamber (3) with at least one photocatalyst (4) and which includes: one or more ultraviolet lamps (5); one or more vitreous parts (6) exp...
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WO/2021/066742A1 |
Disclosed herein is a polycrystalline metal-organic framework membrane comprising a substrate material having a surface and a polycrystalline metal-organic framework attached to the surface of the substrate material, wherein the polycrys...
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WO/2021/064652A1 |
Filtration membranes comprising a microporous sheet of polyolefin grafted with a poloxamer are described. In an embodiment, the poloxamer is that supplied under the trade name PLURONIC™ P-123 and the polyolefin is poly(ethylene). The m...
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WO/2021/063426A1 |
A metal-organic framework glass membrane and a preparation method therefor. The preparation method comprises: a step of heating a crystalline metal-organic framework material at a rate of 1-15°C/min until reaching the melting temperatur...
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WO/2021/067058A1 |
Disclosed herein are membranes having a first surface, a second surface opposing the first surface, a skin at the first surface having visible pores when viewed at a magnification of 10,000 and a pore size gradient, wherein pore size inc...
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WO/2021/060557A1 |
Provided are a separation membrane module with which it is possible to increase the packing density of tubular separation membranes and to reduce the number of separation membrane units compared to conventional products, and a separation...
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WO/2021/060334A1 |
In the present invention, high-purity acetoin can be separated and recovered at a low cost, through a step A in which an acetoin-containing solution is filtered through a nanofiltration membrane, and the acetoin-containing solution is re...
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WO/2021/058537A1 |
A process for reducing injector deposits in an internal combustion engine fuelled with a fuel composition, the process comprising contacting a fuel composition with a metal-selective membrane situated in the fuel delivery system. The red...
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WO/2021/060328A1 |
The purpose of the present invention is to provide: a polytetrafluoroethylene porous film having high strength, high porosity, small pore diameter and thin film thickness; and a method for producing the same. The polytetrafluoroethylen...
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WO/2021/060887A1 |
The present invention relates to a separator membrane having a hierarchical structure, a production method therefor and a xylene separation method using same, and to: a separator membrane having a hierarchical structure comprising mesopo...
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WO/2021/055869A1 |
Photocurable (meth)acrylate compositions for forming features on the surfaces of membranes, and particularly, on membranes used in osmosis and reverse-osmosis applications, such as membrane filters.
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WO/2021/054368A1 |
The present invention provides a purification system that can efficiently purify a mixture containing a plurality of solvents. A purification system 100 according to the present invention is intended to purify a mixture 70 containing a f...
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WO/2021/055503A1 |
Embodiments provide a redox flow battery, an ion exchange membrane for use in the redox flow battery, and a method for producing the ion exchanger membrane. The ion exchange membrane includes a base layer, a first hydrophobic layer, and ...
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WO/2021/054626A1 |
The present invention relates to a reverse osmosis membrane and a method for manufacturing same and, more particularly, to a highly durable reverse osmosis membrane in which the interlayer adhesion in a separator membrane is excellent wh...
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WO/2021/048358A1 |
The present invention relates to the field of fibrous materials, more in particular comprising a cross-linkable urethane-based polymer (CUP) and an oligomeric or macromonomeric urethane- based cross-linker. The present invention also pro...
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WO/2021/047205A1 |
Disclosed is a method for preparing a ceramic nanofiltration membrane, wherein a complete and flawless ceramic nanofiltration membrane is prepared by means of a modified sol-gel method combined with a hydrothermal method. Glycerol is add...
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WO/2021/048286A1 |
The present invention relates to polymer compositions (C) for the preparation of porous article, notably microporous membranes or hollow fibers. More particularly, the present invention relates to a process of preparing a porous article ...
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WO/2021/049623A1 |
This composite film is provided with: a supporting film containing a polyphenylene oxide; and a separation layer provided on one of the principal surfaces of the supporting film, wherein, in said one principal surface of the supporting f...
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WO/2021/048182A1 |
The invention relates to the field of biomimetic membranes with artificial water channels, in particular the use thereof in the context of the production and management of drinking water. The present invention relates to a biomimetic mem...
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WO/2021/047206A1 |
A preparation method for a zirconium oxide-titanium oxide composite ultrafiltration membrane. The method comprises: using a Ti-Zr composite sol prepared by means of a sol-gel method as a precursor, then performing processing by means of ...
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WO/2021/045156A1 |
One aspect of the present invention provides a production method for a porous membrane comprising pores, and, on at least one of a pair of main surfaces, recessed portions having a mean opening diameter larger than the mean pore diameter...
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WO/2021/041514A1 |
Methods of nonsolvent induced film deposition for making polymer films, mixed matrix membranes, and related coatings, intermediates, laminates and composite membranes. Nanoparticles, such as metal-organic framework nanoparticles, may be ...
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WO/2021/038021A1 |
The invention relates to a composite material comprising a nonwoven layer (i) comprising fibres of a first thermoplastic elastomer having meshes with a mesh size in the range from 10 to 100 µm, determined by means of scanning electron m...
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WO/2021/039309A1 |
An acidic gas separation membrane according to the present invention is selectively permeable to an acidic gas, while comprising a first porous layer and a resin composition layer that is formed on the first porous layer with use of a re...
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WO/2021/036716A1 |
The present invention provides a super-wet surface and a preparation method therefor and an application thereof. The super-wet surface is a polypropylene surface, on which a hydrophilic side group is grafted, having a micro-nano structur...
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WO/2021/038186A1 |
A composite ion exchange membrane comprising components (a) and (b): (a) a membrane layer comprising ionic groups, two opposing surfaces and optionally a porous support; (b) a layer comprising sulpho groupsbound to at least one of the at...
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WO/2021/036879A1 |
The present invention relates to a method for preparing a silicon dioxide-polyether sulfone conductive ultrafiltration membrane, an ultrafiltration membrane obtained thereby and the use thereof. In the present invention, hydrophilic carb...
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WO/2021/040001A1 |
The present invention pertains to a method for hydrophilizing a polyvinylidene fluoride-based porous separation membrane, the method comprising a step for bringing a polyvinylidene fluoride-based porous separation membrane into contact w...
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WO/2021/031675A1 |
The present invention relates to a membrane modification method for improving liquid membrane separation of carbon dioxide. The method is: grafting organic matter containing an amine group on a membrane material, then loading water into ...
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WO/2021/026607A1 |
An ion permeable membrane for selective permeation of a target ion, preferably lithium, through the membrane, the membrane comprising a target ion permeable composite comprises a target ion permeable ceramic and at least one organic poly...
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WO/2021/028813A1 |
Filtration membranes prepared by adhering a poloxamer to a preformed sheet of microporous polyolefin are described. In an embodiment, the poloxamer is that supplied under the trade name PLURONIC™ P-123 and the sheet is microporous poly...
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WO/2021/025856A1 |
A thin film composite gas separation membrane comprising a polyether block amide copolymer coating layer and a nanoporous asymmetric support membrane with nanopores on the skin layer surface of the support membrane and gelatin polymers i...
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WO/2021/023711A1 |
The present invention relates to novel co-polymers and their use in the manufacture of porous membranes for haemodialysis application.
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WO/2021/023500A1 |
The present invention relates to a method of producing a polymeric membrane having a homogeneous porosity throughout the entire polymeric phase. The method comprises the steps of dissolving at least one amphiphillic block copolymer in a ...
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WO/2021/024045A1 |
The present disclosure is directed to a method for making a MER framework type zeolite, a MER framework type zeolite having a stick-like morphology, and processes for the selective separation of carbon dioxide (CO2) from multi-component ...
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WO/2021/018868A1 |
The present invention relates to a composition for the manufacturing of a porous article, notably a membrane, which comprises a semi-crystalline polymer, an amorphous polymer and at least one water-soluble salt. The present invention als...
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WO/2021/017405A1 |
A fouling-resistant cellulose acetate ultrafiltration membrane and a preparation method therefor. Silicone is used as a modification component and introduced to the surface of a cellulose acetate ultrafiltration membrane to improve the m...
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WO/2021/022115A1 |
The invention relates generally to methods of preparing one or more organs from a donor for transplantation to a recipient comprising passing blood from the donor through an extracorporeal membrane having a plurality of pores having an a...
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WO/2021/018615A1 |
The present invention pertains to separators for electrochemical devices comprising vinylidene fluoride copolymers having improved thermal stability, to a process for their manufacture, and to electrochemical devices comprising the same.
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WO/2021/019483A1 |
Active phospholipidic membrane (200) comprising: - a double phospholipidic layer; - at least a support (201) for supporting the double phospholipidic layer thus improving the resistance of the active phospholipidic membrane (200); - a pl...
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WO/2021/021367A1 |
Disclosed herein is a membrane for fluid separation, comprising: a copolymer solution, comprising: a first polymer chain, comprising one or more capped ends formed by reacting a polyester diol with an anhydride; a second polymer chain, c...
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WO/2021/018971A1 |
The invention relates to a mechanically stable ultrafiltration membrane and to a method for producing such an ultrafiltration membrane.
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WO/2021/021380A1 |
Disclosed herein is a copolymer solution, comprising: a first polymer chain, comprising one or more capped ends formed by reacting a polyester diol with an anhydride; a second polymer chain, comprising two or more repeating units of the ...
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WO/2021/020571A1 |
An embodiment of the present invention pertains to a separation film containing an organic polymer resin, wherein the volume V1 of pores having a pore diameter of at least 100 nm is 0.3 cm3/g to 0.5 cm3/g, the volume V2 of pores having a...
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WO/2021/015671A1 |
There is provided an inorganic hierarchical porous membrane comprising at least two layers, wherein each layer of the at least two layers comprises a different average pore size as compared to another layer of the at least two layers, an...
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WO/2021/016188A2 |
The present disclosure relates to hollow fiber membrane filtration devices for the production of ready-to-use dialysis fluid by forward osmosis, and a cost-efficient and simple method and system for preparing ready-to-use dialysis fluid ...
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