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WO/2021/219887A1 |
A composite membrane suitable for separating a gas from a gas mixture comprising a selective layer coated on a support, wherein said selective layer comprises: a) a polymeric matrix comprising an amine polymer; b) a graphene oxide nanofi...
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WO/2021/222709A1 |
A polymer composition for producing gel extruded articles is described. The polymer composition contains polyethylene particles combined with a plasticizer and one or more shutdown reducing additives. The shutdown reducing additives decr...
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WO/2021/219692A1 |
The invention relates to methods for the synthesis of a thin-film composite membrane, comprising the following steps: a) providing an ultrafiltration porous support membrane, coated at the outer surface with a thin film, synthesized thro...
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WO/2021/215484A1 |
The present invention pertains to a method for recovering a rare metal salt, the method comprising: an acid treatment step for obtaining a rare metal-containing acidic aqueous solution by putting a material containing monovalent and poly...
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WO/2021/215205A1 |
The purpose of the present invention is to provide a porous ceramic laminate with which it is possible to reduce pressure loss of a fluid. The present invention is a porous ceramic laminate having a first porous layer and a second porous...
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WO/2021/215539A1 |
[Problem] The present invention addresses the problem of providing an ion exchange membrane that can separate and refine exosomes present in a biological sample of blood serum or the like simply and at low cost. [Solution] The present in...
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WO/2021/216226A1 |
In an embodiment is provided a process to re-refine used oil that includes introducing a used oil and a solvent to a separation unit under separation conditions selected to produce a purified oil product, the separation unit comprising a...
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WO/2021/211440A1 |
Described herein are articles for separating gases. The article includes a selective layer consisting of a crosslinked amorphous fluorinated copolymer containing one or more types of fluorinated ring monomers, with crosslinking between t...
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WO/2021/204716A1 |
Porous membranes 102 are provided according to the invention having desirable coefficient of thermal expansion and large surface area, for example at least about 4,000 mm2. These porous membranes 102 may be made according to an exemplary...
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WO/2021/206318A1 |
The present invention provides: a fiber membrane, which uses a biodegradable polymer so that uniaxially aligned first fibers and randomly aligned second fibers form a network; and a method for manufacturing the fiber membrane.
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WO/2021/206126A1 |
Provided are: an ion selective permeable membrane enabling efficient recovery of ions, especially metal ions, in an aqueous solution; and an ion recovery device using the ion selective permeable membrane. The ion selective permeable memb...
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WO/2021/204715A1 |
Porous membranes 102 are provided according to the invention having desirable coefficient of thermal expansion and large surface area, for example at least about 4,000 mm2. These porous membranes 102 may be made according to an exemplary...
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WO/2021/205141A1 |
Novel membranes suitable for use in separation applications are described, as well as processes by which the membranes are made and uses of the membranes in a range of separation applications. The membranes are obtainable by an interfaci...
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WO/2021/206317A1 |
Provided are a sub-micron fibrous membrane in which sub-micron fibers aligned along one axis and sub-micron fibers in a random pattern form a network, and a method for producing the sub-micron fibrous membrane.
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WO/2021/202913A1 |
The present disclosure provides surface functionalized affinity membranes. The surface functionalized affinity membranes can provide increased binding capacity through improved coupling chemistries, ligand densities, spacer arm types, an...
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WO/2021/202664A1 |
Compositions of and methods for producing a modified polyimide-containing compound with an alkyl or acyl group, one method including selecting and preparing a polyimide-containing compound to undergo a Friedel-Crafts alkylation or acylat...
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WO/2021/202343A1 |
Gas separation membranes are provided and more particularly, a series of addition-type and ROMP type polynorbornenes with substituents derived from Mizoroki-Heck reactions are provided and have particular utility as gas separation membra...
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WO/2021/200982A1 |
[Problem] To provide a semipermeable membrane that achieves chemical resistance (chlorine resistance, acid resistance, alkali resistance), membrane performance, and membrane strength by performing sulfonation of a polyphenylene-based sem...
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WO/2021/202255A1 |
A method for removing ethylene from the atmosphere surrounding an agricultural product that is sensitive to ethylene, which promotes climacteric ripening and senescence, is disclosed. The method uses a membrane for selective ethylene per...
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WO/2021/200427A1 |
A hollow fiber membrane comprising a cellulosic ester and cellulosic nanofiber.
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WO/2021/196539A1 |
Disclosed is a method for synthesizing an inorganic membrane by means of microwave heating. The method comprises: adding a matrix and a synthetic liquid into a microwave reactor in advance; then dividing the temperature from the reaction...
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WO/2021/199659A1 |
The present invention provides a composite semipermeable membrane which has more excellent water permeability, while maintaining high desalting performance. This composite semipermeable membrane 1 is provided with a porous supporting l...
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WO/2021/201783A1 |
The present invention relates to a method for producing a composite membrane, the method comprising impregnating a surface of a porous membrane substrate with an aqueous suspension comprising a mixture of at least one polyamine and at le...
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WO/2021/197912A1 |
A gas-separation membrane obtainable from curing a composition comprising one or more curable monomers at least 30 wt % of which are monomer(s) comprising oxyethylene groups, oxypropylene groups and at least two polymerizable groups.
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WO/2021/198210A1 |
The invention relates to a millisecond gasification method to fabricate graphene membranes, yielding a molecular sieving resolution of 0.2 Å for selective gas separation, and further relates to a method of preparation and uses thereof. ...
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WO/2021/195365A1 |
The present disclosure provides a filtration media for filtering one or more airborne particles. The filtration media may comprise a membrane comprising one or more polymeric layers to filter the airborne particles. The filtration media ...
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WO/2021/191043A1 |
The present invention relates to a solution comprising at least one polymer P, at least one water soluble polymer and a N-n-butyl-2-pyrrolidone, the process of making a membrane and the use of this membrane for water treatment.
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WO/2021/192816A1 |
The present invention relates to a composite semipermeable membrane which is provided with a base material, a porous supporting body that is arranged on the base material, and a separation functional layer that is arranged on the porous ...
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WO/2021/194417A1 |
There is provided a membrane comprising: a porous support layer having a first surface and a second surface; a palladium (Pd)-based selective layer on a first surface of the support layer; and a zeolite protective layer on a second surfa...
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WO/2021/192791A1 |
The present invention provides a metal-organic framework suitable for improving the flux of a permeating fluid that permeates a separation film. This metal-organic framework includes metal ions and organic ligands. The organic ligands in...
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WO/2021/189762A1 |
Disclosed is a polytetrafluoroethylene composite filter material, comprising a support layer and a polytetrafluoroethylene thin film layer, wherein the support layer is a silver-plated carbon nanomaterial-modified melt-blown non-woven fa...
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WO/2021/189761A1 |
A polytetrafluoroethylene composite filter material, and a preparation method therefor and an application thereof. The polytetrafluoroethylene composite filter material comprises a support layer and a polytetrafluoroethylene microporous ...
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WO/2021/192745A1 |
The present invention provides a separation film in which defects in a separation function layer are reduced and a reduction in the flux of a permeating liquid is suppressed. The separation film 10 is provided with, in the following orde...
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WO/2021/189662A1 |
A Fe-Al-based metal porous film and a preparation method therefor. The method comprises the following steps: adding Fe-Al-based metal powder and metal fiber powder into a water-based solution in which an organic additive is added, and mi...
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WO/2021/193501A1 |
[Problem] To provide a gas separation membrane element that separates and purifies a specific gas from a gas mixture. [Solution] A gas separation membrane element comprising: a central tube that collects a permeated gas; and a gas separa...
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WO/2021/192583A1 |
Provided is a water recovery system and a water recovery method whereby, in water recovery using a reverse osmosis membrane from water to be treated containing organic matter, it is possible to also suppress slime contamination on the se...
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WO/2021/192454A1 |
A zeolite membrane composite (1) comprises a porous support (11) and a zeolite membrane (12) disposed on the support (11) and constituted of an eight-membered-ring zeolite. Upon exposure to a gas containing nitrogen and hydrogen sulfide,...
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WO/2021/189661A1 |
An Fe-Al-series metal film and a preparation method therefor, the method comprising the following steps: stirring and defoaming an Fe-Al-series metal powder and a water-based solvent to which an organic additive is added so as to obtain ...
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WO/2021/194418A1 |
There is provided a semi-permeable membrane comprising: at least two dimensional (2D) heterostructure layers of; and a polyelectrolyte layer between each 2D heterostructure layer of the at least two 2D heterostructure layers. There is al...
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WO/2021/188615A1 |
Methods and systems for producing and using multi-layer composite co-polyimide membranes, one method for producing including preparing a microporous or mesoporous membrane support material for coating; applying a sealing layer to the mem...
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WO/2021/186974A1 |
This gas separation method involves supplying a gas mixture to a zeolite membrane complex (1) and separating a high-permeability gas from other gases by passing said high-permeability gas through the zeolite membrane complex (1). The gas...
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WO/2021/186959A1 |
In this gas separation method, a mixed gas is fed to a zeolite membrane complex (1), and a high-permeability gas is made to permeate through the zeolite membrane complex (1) and thereby separate from another gas. The mixed gas contains t...
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WO/2021/187438A1 |
This concentration method for a raw material liquid includes a raw material concentration step for obtaining a dilution induction solution by bringing a raw material liquid containing a solvent and a solute and an induction solution cont...
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WO/2021/187796A1 |
The present application relates to: a method for removing carbon dioxide from a carbonic acid-containing diamino alkane solution, the method comprising a step of passing the carbonic acid-containing diamino alkane solution through a sepa...
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WO/2021/182064A1 |
The present invention addresses the problem of providing a method for purifying a liquid medicine, said method exhibiting excellent performance of removing organic impurity particles from a liquid medicine. The present invention also add...
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WO/2021/177244A1 |
One aspect of the present disclosure provides a carbon material including: a carbon-containing layer having an opening; and a solid material provided so as to cover the opening of the carbon-containing layer, wherein the solid material h...
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WO/2021/177095A1 |
The purpose of the present invention is to provide an artificial lung having plasma leakage resistance by a simpler technique. The present invention relates to a method for manufacturing an artificial lung having a plurality of porous ho...
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WO/2021/177349A1 |
This separation membrane comprises: a porous support; a polyamide-based separation functional layer provided on the porous support; and a coating layer provided on the polyamide-based separation functional layer, wherein a fragment of CN...
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WO/2021/169253A1 |
A superhydrophobic polypropylene porous film, comprising a polypropylene porous film substrate, a titanium dioxide layer, and a surface modifier layer. The titanium dioxide layer is deposited on the surface of the polypropylene porous fi...
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WO/2021/173704A1 |
Described are filter materials possessing polycarboxyl ligands, such as iminodiacetic acid, which are highly effective for filtering metals or metal ions from fluids. The filter materials can be particularly useful to filter various flui...
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