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Patent Searching and Data


Matches 751 - 800 out of 14,542

Document Document Title
WO/2021/130780A1
The present invention relates to ultrathin polymer nanofilm and its composite membrane, its method of preparation. Composite membranes are produced via interfacial polymerization of diamine (or polyamine) monomer (or polymer) and trimeso...  
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...  
WO/2021/132397A1
The present invention provides a separation membrane which contains a cellulose ester, while having a plurality of voids in a cross-section that is parallel to the longitudinal direction and the membrane thickness direction of the membra...  
WO/2021/132399A1
The present invention provides a separation membrane that contains, as a major component A, a thermoplastic polymer selected from cellulose esters and polyamides. All regions 1-5 obtained by dividing a prescribed cross-sectional surface ...  
WO/2021/132218A1
The present invention addresses the problem of improving separation selectivity of a light gas such as hydrogen and helium. A gas separation membrane according to the present invention is provided with a porous support layer and a sepa...  
WO/2021/133332A2
The present invention relates to a cross-linked composite membrane developed to be used for selectively separating cationic organic compounds from an aqueous solution comprising cationic and anionic organic compounds, and to a method for...  
WO/2021/130145A1
The present disclosure relates to a spinneret for producing hollow fiber membranes in a phase inversion process.  
WO/2021/132869A1
The present invention relates to a pervaporation membrane separation process capable of treating wastewater while dehydrating from wastewater containing a specific organic compound, such as NMP, to concentrate the specific organic compou...  
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...  
WO/2021/134060A1
Water permeable membranes and methods of preparation are described. The water permeable membrane can comprise a porous support, and a polyamide layer comprising a crosslinked polyamide on a surface of the porous support, wherein the poly...  
WO/2021/130781A1
The present invention relates to highly selective ultrathin polymer nanofilm; its composite membrane; its method of preparation. Composite membranes are produced via interfacial polymerization with addition of surface active reagents (SL...  
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...  
WO/2021/124011A1
The present disclosure provides an article including an isoporous membrane disposed on a porous substrate. The isoporous membrane includes a triblock copolymer or a pentablock copolymer. The isoporous membrane has a thickness and is isop...  
WO/2021/122663A2
The present invention relates to a support for a filtration membrane configuration formed with a first set of projections and a second set of projections in opposite directions. At least some of the first projections may be shaped with t...  
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...  
WO/2021/123406A1
The present disclosure relates to a process and a device for winding a strand of hollow fiber membranes.  
WO/2021/123316A1
The present 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 compr...  
WO/2021/126952A1
A breathable film includes a substrate, a membrane disposed on the substrate, and an adhesive interposed between the substrate and the membrane. The membrane includes a plurality of fibers of polyvinylidene fluoride. The breathable film ...  
WO/2021/121839A1
The invention relates to a filter material and/or filler material for mouthpieces for use with smoking products or HNB products, the filter material and/or filler material being based on cellulose acetate filaments, at least parts of whi...  
WO/2021/117361A1
This separation membrane sheet, through which a specific gas component is selectively pass, has: a first porous layer; a separation functional layer laminated on the first porous layer; and a second porous layer laminated on the opposite...  
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 ...  
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...  
WO/2021/117362A1
A gas separation method in which a separation membrane sheet that selectively permits permeation of a specific gas component is used. The separation membrane sheet has a first porous layer, a separation function layer laminated on the fi...  
WO/2021/117631A1
Provided is a composite semi-permeable membrane including: a porous support membrane; a separation function layer that is provided on the porous support membrane and that contains polyamide; and a coating layer that is provided on the se...  
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(...  
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...  
WO/2021/109333A1
Provided is a method for preparing a monodisperse diesel emulsion: taking a two-dimensional MXene-modified hydrophobic ceramic membrane as an emulsification medium, using water as the dispersed phase, and using diesel fuel having added e...  
WO/2021/110954A1
The present invention relates to a membrane for purifying a biological fluid, comprising at least one poly(aryl ether sulfone) (PAES) polymer based on one specific dihydroxy monomer. The present invention also relates to a purification m...  
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...  
WO/2021/110716A1
In a first aspect, the invention provides a method for manufacturing an integrated permeate channel membrane, said method comprising the steps of (i) providing a membrane layer to each of a first fabric layer and a second fabric layer, t...  
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...  
WO/2021/106726A1
The present invention pertains to a porous membrane comprising a porous resin layer that contains a polymer containing a polyvinylidene fluoride resin as a main component, wherein: a branched polyvinylidene fluoride resin is contained as...  
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...  
WO/2021/108199A1
This disclosure provides a sorbent for at least one metal. The sorbent includes a core particle and a ceramic nanoparticulate cation exchanger for at least one metal that is disposed about the core particle. The core particle is chosen f...  
WO/2021/100804A1
The present invention addresses the problem of providing a porous separation membrane that, even after a long-term use, shows little decrease in protein permeability. The porous separation membrane is obtained: by having an asymmetrica...  
WO/2021/101995A1
The present application relates to a multizone, unsupported, microporous, high throughput membrane. The membrane includes a first microporous zone, a second microporous zone, and a third microporous zone, where the third microporous zone...  
WO/2021/101987A1
The present application relates to an unsupported, permanently hydrophilic filtration membrane, and its method of formation. The membrane comprises a polymeric matrix material and a cross-linked polyoxazoline hydrophilic additive blended...  
WO/2021/099578A1
The present invention relates to a method for preparing a membrane comprising sorbent particles that bind urea. The invention also relates to the sorbent-comprising membranes per se, and to methods of using the membranes. The membranes a...  
WO/2021/099522A1
Disclosed are methods for coupling a ligand to a composite material. Covalent bonds are formed between functionalized composite materials and ligands as a ligand solution flows through or across the composite materials. The composite mat...  
WO/2021/099937A1
The present invention relates to a hydrophilic polyimide including at least one type of building blocks [A-B] and [A-C], and represented by the formula -[A-B]n-[A-C]m- (I), wherein: the n-bracketed building blocks and the m-bracketed bui...  
WO/2021/099776A1
A filter element for filtering a fluid is described. The filter element comprises diamond particles fixed to a filter substrate. Also described is a method for the manufacture of the filter element and a filtration device comprising the ...  
WO/2021/093001A1
A method for preparing a nanofiltration membrane and a nanofiltration membrane prepared therefrom, the method comprising the following steps: dissolving a polymer in a solvent to prepare a polymer solution, and curing the polymer solutio...  
WO/2021/091476A1
A separation membrane for water treatment, a method for manufacturing the same and a portable liquid container comprising the separation membrane as filter, wherein the bipolar separation membrane comprises: a support membrane over which...  
WO/2021/091485A1
The present invention provides a nanocomposite coating comprising: a two-dimensional material; and a polymer, wherein the nanocomposite coating is semi-permeable and is for providing on porous material to improve selectivity towards one ...  
WO/2021/090217A1
The present disclosure is related to a polymeric membrane, comprising a modified surface obtained from coating with hydrophilic monomers and curing the hydrophilic monomers with actinic irradiation, preferably UV light, wherein the hydro...  
WO/2021/090215A1
The present disclosure is related to a polymeric membrane, comprising a modified surface obtained from coating with hydrophilic monomers and curing the hydrophilic monomers with electron beam, wherein the hydrophilic monomers comprise at...  
WO/2021/088665A1
An antifouling and hydrophilic polyethersulfone ultrafiltration membrane and a preparation method therefor. By using a Co-γ radiation grafting chemical modification method, an unsaturated bond-containing ionic liquid linked by chemical ...  
WO/2021/090919A1
The present invention addresses the problem of providing an ion exchange membrane through which ions permeate easier than through a conventional profile membrane, which has a small pressure loss in a flow path, and in which clogging due ...  
WO/2021/091919A1
A challenge in the development of anion exchange membranes for fuel cells is the design and synthesis of membranes that can endure highly alkaline environments while rapidly transporting hydroxides. A design for using cross-linked polyme...  
WO/2021/084080A1
The invention relates to membranes for separation, removal and/or concentration purposes. The object of the invention is the simple and reliable adsorption of the molecules and to simplify the desorption of target molecules that are adso...  

Matches 751 - 800 out of 14,542