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WO/2022/130741A1 |
This separation membrane composite (1) comprises a support (11), a separation membrane (12), and a covering membrane (13). The support (11) has a porous section (41) and a compact section (42) that are disposed continuously. The separati...
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WO/2022/127635A1 |
A boron-removal reverse osmosis membrane and a preparation method therefor. The boron-removal reverse osmosis membrane comprises: a support layer formed on a surface of a substrate, the support layer comprising a polymer and a pore-formi...
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WO/2022/129063A1 |
The present invention relates to a continuous process for making polyolefines. The process involves a membrane-assisted separation of non-reacted olefins downstream a polymerisation reactor and enables economical production of polyolefin...
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WO/2022/129510A1 |
The container for diffusing volatile substances comprises a transparent container body (1) for a material impregnated with volatile substances and provided with an opening (2); a permeable membrane (3) that closes the opening (2) of the ...
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WO/2022/121594A1 |
The present invention relates to the technical field of membrane separation, and discloses a method for preparing a nanofiber/MOFs-based preferential alcohol-permeable pervaporation membrane. The present invention first provides the stra...
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WO/2022/122389A1 |
Porous liquid-filtering membranes (102) are provided having a boundary region (303) substantially surrounding a pore region (302) and having greater tear resistance than the pore region (302). In various aspects, a liquid-filtering tear-...
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WO/2022/124987A1 |
A thin film composite hollow fibre membrane There is provided a thin film composite (TFC) hollow fibre membrane comprising a porous hollow fibre support layer and a selective layer, formed of a cross-linked polyamide comprising amino-fun...
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WO/2022/123428A2 |
A polymeric membrane. The membrane can include a polymeric membrane made from a polymer selected from an aromatic sulfone polymer, polyamide, cellulose, cellulose acetate, polymethylmethacrylate, polyvinylalcohol, and polyacrylnitril, wh...
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WO/2022/122769A1 |
The present invention relates to a composition for the manufacturing of a porous article, notably a membrane, which comprises a poly(arylene sulphide) and at least one water-soluble salt. The present invention also relates to a method fo...
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WO/2022/125452A1 |
This disclosure provides certain strong cation-modified ion exchange resins and membranes useful for carrying out the removal of metal and metal ion contaminants in fluid compositions. Filtered liquid compositions with significantly redu...
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WO/2022/121102A1 |
Disclosed are a porous polymer-modified metal carbon nanotube composite film, a preparation method therefor and the use thereof. The method comprises the following steps: mixing an acidified carbon nanotube film with a modification liqui...
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WO/2022/123497A1 |
A thermally-crosslinked membrane comprising a poly(1,2,4-triazole)-polymer that includes recurring hydroxyl-functionalized triazole units is described. The polymer has the structure of formula I: (I) wherein Ar describes an aromatic or h...
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WO/2022/121101A1 |
A method for separating dye-containing wastewater based on a porous polymer-modified metal carbon nanotube composite membrane, the method comprising: mixing an acidified carbon nanotube membrane with a modifying solution and then reactin...
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WO/2022/124554A1 |
The present invention relates to a polyamide reverse osmosis membrane having excellent durability and antifouling properties and a method for manufacturing same, the polyamide reverse osmosis membrane comprising: a porous support; a poly...
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WO/2022/125741A1 |
Reverse osmosis membranes resembling graphene oxide formed on the surface of porous substrates and methods for their fabrication are disclosed. The fabrication of these membranes is accomplished through the interfacial polymerization of ...
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WO/2022/118943A1 |
The present invention is a porous hollow-fiber membrane that includes recycled cellulose, wherein the elastic limit pressure of the porous hollow fiber membrane is 200 kPa or more.
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WO/2022/115438A1 |
Disclosed herein is a porous membrane comprising a porous substrate; a porous ceramic coating disposed on the porous substrate; where an average pore size of pores in the porous substrate are larger than an average pore size of pores in ...
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WO/2022/115385A1 |
Described are porous filter membranes that include two opposed sides, a thickness, and a porous structure between the opposed sides; filter components and filters that include this type of porous filter membrane; methods of making the po...
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WO/2022/115584A1 |
In a method for making a nanofiltration membrane, an ultrafiltration membrane is disposed onto a support module. A plurality of interface polymerization reactants is applied to the ultrafiltration membrane. The interface polymerization r...
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WO/2022/114227A1 |
Provided is a hollow fiber membrane module with which breakage of a hollow fiber membrane can be suppressed. In this hollow fiber membrane module, in which both ends of a hollow fiber membrane bundle are accommodated in a housing by way ...
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WO/2022/113604A1 |
The present invention provides a liquid separation membrane having an exceptional effect for suppressing fouling of the membrane, and a method for producing the liquid separation membrane.　This liquid separation membrane (1) has a subs...
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WO/2022/113019A1 |
The object of the invention is a membrane made of an organic material with pore-forming, anti-inflammatory and anticoagulant properties, characterized in that it has the form of a flat film or a hollow fiber tube and is made of an organi...
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WO/2022/112150A1 |
The present invention relates to a solution comprising at least one sulfone polymer and N-tert.-butyl-2-pyrrolidone, the process of making a membrane and the use of this membrane for water treatment.
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WO/2022/114222A1 |
Provided is a method for washing a hollow fiber membrane module which comprises a hollow fiber membrane for filtering raw water containing a suspended component, said method comprising, in the following order, a first washing step for re...
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WO/2022/115115A1 |
A composite polyamide reverse osmosis membrane comprising a polyamide layer; where the polyamide layer has a thickness in the range of 50 - 250 nm, and large open spaces (i.e., free volumes); where the open spaces are defined by a ratio ...
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WO/2022/109865A1 |
Disclosed is a wastewater deep treater, comprising a treater body, wherein a barrel-shaped filtering assembly is vertically arranged in the treater body, the barrel-shaped filtering assembly divides the treater body into an inner purific...
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WO/2022/107856A1 |
The purpose of the present invention is to provide a porous membrane which has high filtration performance in a process wherein turbidity is removed, by means of membrane filtration, from natural water, domestic waste water, and suspensi...
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WO/2022/108902A1 |
An apparatus for treating a biological fluid, comprising a plurality of filtration devices. In some embodiments, each of the plurality of filtration devices comprising at least one inlet and at least one outlet; and a first insert plate ...
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WO/2022/109210A1 |
The present invention is directed to surface-treated membranes comprising: (a) a porous polymeric substrate; and (b) a coating layer applied to the substrate. The coating layer is formed from a surface treatment composition comprising: (...
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WO/2022/105937A1 |
A preparation method for a fouling-resistant and anti-yellowing composite reverse osmosis membrane. By means of modifying stability and yellowing problems of a reverse osmosis membrane coating, and using living polymerization to graft th...
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WO/2022/104072A1 |
Polymer-based membranes and methods for fabricating membranes are described. The methods include forming a casting solution featuring a polyvinylidene fluoride (PVDF)-based solvent and a polyvinylpyrrolidone (PVP)-based modifying agent, ...
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WO/2022/104089A1 |
Polymer-based membranes and methods for fabricating membranes are described. The methods include forming a casting solution featuring a plurality of titanium dioxide (TiO2) nanoparticles, a polyvinylidene fluoride (PVDF)-based solvent, a...
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WO/2022/102824A1 |
The present invention relates to an apparatus for manufacturing hollow fibers for forming a gas separation membrane. An apparatus for manufacturing hollow fibers, according to the present invention, comprises: a dove tank in which a dove...
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WO/2022/104361A1 |
This disclosure relates to battery separators for use in lead acid batteries. In particular, the disclosure relates to nonporous polymer sheets in which the porosity manifests itself after cavitation and/or biaxial stretching to form a m...
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WO/2022/095101A1 |
A preparation method for an oil-water separation membrane based on multi-scale cellulose nanofibers. The preparation method comprises the following steps: preparing a filter membrane; preparing a hydrophilic oleophobic agent; and infiltr...
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WO/2022/097295A1 |
The present invention provides a separation module whereof the clogging can be suppressed. In order to solve this problem, the separation module 40, which separates a fluid T from a fluid L1 subjected to separation, comprises: a filter 1...
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WO/2022/099253A1 |
An ionically conductive thin film composite (TFC) membrane is described. The low cost, high performance TFC membrane comprises a micropous support membrane, and a hydrophilic ionomeric polymer coating layer on a surface of the microporou...
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WO/2022/096373A1 |
This invention relates to certain microporous articles comprising certain PEDEK-PEEK copolymers, to a method for making said microporous articles, in particular to a method of making microporous articles from a blend comprising said PEDE...
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WO/2022/090975A1 |
The present disclosure relates to a method of preparing oxide and non-oxide ceramic filtration elements with a high abrasion resistance, wherein the process of manufacture allows low sinter temperatures in the presence of atmospheric oxy...
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WO/2022/094004A1 |
A hollow fiber membrane and methods of making the hollow fiber membrane are described. The membrane includes a hydrophobic polymer such as polysulfone, a hydrophilic polymer such as polyvinylpyrrolidone (PVP), and a fluropolymer additive...
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WO/2022/090939A1 |
Embodiments of the present disclosure generally relate to processes for forming functionalized membranes. In an embodiment, a process for forming a functionalized porous membrane is provided. The process includes introducing a porous mem...
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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/2022/080140A1 |
A temperature adjustment device for a vehicle according to the present invention comprises a pair of plate members disposed so as to face each other and each having a plurality of through holes, and a plurality of hollow fiber membranes ...
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WO/2022/081805A1 |
The process described herein produces and purifies one or more biomolecules of interest that has practical applications in the field of recombinant protein production in microbial fermentations and mammalian cell culture bioreactors.
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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/2022/081133A1 |
The present disclosure describes methods of modifying porous wicking membranes. In one example, a method of modifying a porous wicking membrane can include applying a flow modifier composition to a porous wicking membrane. The porous wic...
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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/2022/080366A1 |
In this separation membrane element, at least a portion of a laminate is wound around a hollow tube. The laminate is obtained by stacking a plurality of separation membrane units each comprising: a leaf having a first channel member inte...
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WO/2022/080029A1 |
A humidity adjustment device for a vehicle according to the present invention comprises a pair of plate materials which are disposed facing each other and have a plurality of through-holes, and a plurality of hollow fiber membranes dispo...
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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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