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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/2021/191043A1 |
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/2021/191309A1 |
The invention relates to a filter for particles having sizes of less than 10 micrometers, with a structure based on electrospun fibers from one or more polymers, the fibers being characterized in that they have a diameter between 30 and ...
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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/2021/195141A1 |
A rare earth coated membrane is beneficial to aid in the separation of contaminants, such as anions containing phosphorous, anions containing arsenic, PFAS, and mixtures thereof. Membranes with the rare earth coating or treatment can hav...
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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/2021/189661A1 |
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/2021/169253A1 |
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/2021/170244A1 |
There is provided a method of fabricating an atomically or molecularly thin amorphous carbon membrane (18). The method includes the steps of: providing amphiphilic or hydrophobic carbon-containing monomers (10) on a liquid surface; packi...
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WO/2021/167814A1 |
Provided herein are sterilizable porous filtration media and methods of making and using the same.
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WO/2021/116319A9 |
It is provided a water-saturated carbon molecular sieve membrane obtainable by a) providing a hydrophilic carbon molecular sieve membrane (CMSM) comprising pores of a pore size from 0.25 nm to 0.55 nm for molecular sieving, pores of a po...
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WO/2021/160194A1 |
This is a method of manufacturing a filter membrane, which in its multilayer structure comprises at least one support layer of polymeric textile with a basis weight of 15 to 200 g/m2 and associated, at least, one layer of electro spun no...
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WO/2021/163046A1 |
Apparatuses and methods for fabricating thin film composite hollow fiber membranes. In some implementations, an apparatus is used to remove excess first solution from a hollow fiber that has been immersed in a first solution. In some imp...
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WO/2021/163690A1 |
Methods of forming porous electrodes are provided, such porous electrodes, and thus the techniques for forming the same, having beneficial uses in conjunction with redox flow batteries. The methods include the use of phase inversion as p...
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WO/2021/163047A1 |
Apparatuses and methods for fabricating thin film composite hollow fiber membranes. In some implementations, an apparatus is used to remove excess first solution from a hollow fiber that has been immersed in a first solution. In some imp...
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WO/2021/163048A1 |
Apparatuses and methods for fabricating thin film composite hollow fiber membranes. In some implementations, an apparatus is used to remove excess first solution from a hollow fiber that has been immersed in a first solution. In some imp...
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WO/2021/156393A1 |
The present invention relates to a purification/filtration system using reverse electro-osmotic flow through a composite or hybrid membrane element. The invention also relates to a process for purifying an electrolyte solution using such...
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WO/2021/158173A1 |
The present invention relates, in general terms, to a composite membrane for use in filtration. The present invention also relates to a method of fabricating the composite membrane, and a method of filtrating using the composite membrane...
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WO/2021/152029A1 |
A method for manufacturing of porous polymer structures, in particular membranes, the method comprising the steps of providing a mixture of one or more polymers and one or more salt nano- and/or microparticles, primary shaping said blend...
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WO/2021/154150A1 |
The present disclosure relates to a method for producing a film of a 3D porous aromatic framework, or a film of a 3D covalent organic framework, with a controlled thickness, said method process comprising the following steps: providing a...
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WO/2021/146733A1 |
Provided are composite articles having a membrane and a porous substrate, where the porous substrate has the membrane disposed thereon. The membrane has two layers, where the first layer has the second layer disposed thereon, and each la...
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WO/2021/145927A1 |
Organic solvent nanofiltration membranes that include at least one polymer coated expanded polyparaxylylene (ePPX) membrane are provided. A substrate/support layer may be positioned on one side of the ePPX membrane. In some embodiments, ...
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WO/2021/144176A1 |
The invention relates to a composite body comprising a porous layer (1) made from oxide particles connected to one another and partially to the substrate, containing at least one oxide, selected from oxides of the elements Al, Zr,Ti and ...
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WO/2021/139094A1 |
A room-temperature selective swelling method of pore generation, used for preparation of a separation membrane, comprising: treating an amphiphilic block copolymer dense membrane using a compound swelling agent at 15-30°C for 1 min-24 h...
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WO/2021/141540A1 |
There is provided an improved composite membrane, the composite membrane comprising a selective layer and a support layer, the selective layer and the support layer separated by an array of structures provided therebetween, wherein each ...
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WO/2021/140250A1 |
A filter (1) comprises a porous substrate formed by a glass fibre membrane (2) impregnated with graphene and with polytetrafluoroethylene particles (3) binding graphene particles and glass fibre. A filter membrane (2) of a desired porosi...
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WO/2021/142430A1 |
An apparatus and method for filtering a fluid is provided. The apparatus includes a filtration unit having an inlet and hollow fiber membranes. The hollow fiber membranes are each formed from an elongated tube having an exterior surface ...
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WO/2021/132899A1 |
The present invention relates to an ultra-hydrophobic composite membrane for a membrane aerated biofilm reactor (MABR) process, the membrane comprising: a porous polyvinylidene fluoride (PVDF) hollow fiber membrane; a non-porous silicone...
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WO/2021/130641A1 |
The present disclosure relates to hydrophilic microporous membranes comprising a modified surface. In addition, the present disclosure relates to a process for producing such hydrophilic membranes by modification of microporous membranes...
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WO/2021/133595A1 |
A process for preparing a microcapillary carbon molecular sieve membrane may include extruding a polyvinylidene chloride polymer to a thickness from 10 μm to 1,000 μm to form an extruded polymeric microcapillary film, wherein the extru...
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WO/2021/128886A1 |
A method for preparing a nanofiltration membrane and a nanofiltration membrane prepared therefrom. The method for preparing the nanofiltration membrane comprises the following steps: dissolving a polymer in a solvent to prepare a polymer...
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WO/2021/123319A1 |
The disclosure provides a method for producing a gas separation article, said gas separation article comprising: • a gas separation membrane, • optionally a support, and • optionally an additional support said method comprising the...
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WO/2021/126422A1 |
Disclosed is a dual UV and reaction curable, two component adhesive comprising both acrylic chemistry and polyurethane chemistry. The UV curable acrylate component provides a fast cure reaction to generate a tack-free surface. The mixed ...
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WO/2021/121952A1 |
Method for making a porous graphene layer (5) of a thickness of less than 100 nm, comprising the following steps: providing a catalytically active substrate (1), said catalytically active substrate (1) on its surface (3) being provided w...
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WO/2021/126085A1 |
There is provided a thin film composite (TFC) membrane comprising a support layer and a selective layer formed of a cross-linked polyamide, wherein the TFC membrane has a surface roughness of ≤ 20 nm. There is also provided a method of...
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WO/2021/124082A1 |
The present disclosure provides a method for treating the surface of a microporous polymeric membrane, comprising immersing a microporous polymeric membrane in a liquid; and applying ultrasonic waves to the microporous polymeric membrane...
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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/2021/110467A1 |
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/2021/109708A1 |
Provided are a carbon molecular sieve membrane and a preparation method therefor. In the present invention, by subjecting a polyetherimide and a polymer with a similar structure to a series of treatments followed by controlled pyrolysis,...
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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/2021/109621A1 |
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/2021/113202A1 |
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/2021/105838A1 |
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/2021/104937A1 |
Method for producing a nano-porous membrane (1) with one or up to four graphene layers (2), pores (3) in the membrane having an average pore size in the range of 0.2-50 or 0.3-10 nm, wherein the method comprises the following steps: a) g...
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WO/2021/104338A1 |
A method of synthesizing a molecular sieve membrane by employing successive generations comprises a step of precoating with a crystal seed, in which a residual reaction liquid obtained from a crystallization reaction is used as a crystal...
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