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WO/2023/183359A1 |
A polymer composition for producing gel extruded articles is described. The polymer composition contains at least three different polyethylene polymers, namely a lower molecular weight polyethylene polymer, a mid-range molecular weight p...
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WO/2023/176048A1 |
The purpose of the present invention is to provide a composite reverse osmosis membrane that exhibits improved permeability and antifouling properties, and a production method therefor. A composite reverse osmosis membrane according to t...
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WO/2023/176974A1 |
The present invention relates to a gas separation membrane for separating carbon dioxide from a gas mixture containing carbon dioxide, the gas separation membrane including a polycarbonate-polyorganosiloxane copolymer (A), the polycarbon...
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WO/2023/176565A1 |
The present invention provides a membrane separation system suitable for suppressing a decrease in the content of organic compounds in a permeated fluid. This membrane separation system 100 comprises a membrane separation device 10. The ...
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WO/2023/175406A1 |
A device (100) for water purification includes one or more first layers (110) including a semipermeable membrane and one or more second layers (120) in contact with the one or more first layers (110), wherein the one or more second layer...
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WO/2023/176049A1 |
The purpose of the present invention is to provide a composite reverse osmosis membrane that exhibits improved permeability and antifouling properties, and a production method therefor. A composite reverse osmosis membrane according to t...
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WO/2023/169949A1 |
The present invention relates to a process for the preparation of sterile products comprising thermolabile and/or bioactive raw materials. The process comprises a step of sterilizing the products by filtration. Preferably, the sterile pr...
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WO/2023/172151A1 |
A dual-layer membrane (100) and a method (200) of making the dual-layer membrane (100) is provided. The dual-layer membrane (100) includes a first layer (102) including at least one of polysulfone (PSU) nanofibers, polyphenylene (PPSU) n...
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WO/2023/170690A1 |
A process of preparing a crosslinked asymmetric membrane for solvent nanofiltration, comprising: (1) dissolving an aromatic polymer and one or more aromatic polyamine ( s ) in an organic solvent system to form a casting solution; (ii) ca...
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WO/2023/169227A1 |
A nanofiber-based oil-water separation and purification material having a staggered inclined-hole structure, and a preparation method therefor. The method comprises: firstly, preparing multiple layers of fiber membranes by using a melt s...
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WO/2023/166317A1 |
There is described a ceramic membrane, and a process for producing a ceramic membrane. In the process for the production of a ceramic membrane the ceramic membrane is produced by additive manufacturing. The ceramic membrane comprises a m...
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WO/2023/166315A1 |
There is described a membrane comprising a feed flow inlet, a retentate flow outlet and a permeate flow outlet. The membrane further comprises a membrane interface portion comprising a plurality of feed flow channels fluidly connected to...
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WO/2023/164923A1 |
A method for low-temperature preparation of a ceramic membrane. The purpose of the present invention is to solve the problem that existing ceramic membranes are too high in sintering temperature, large in additive amount of a low-tempera...
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WO/2023/167924A1 |
Described herein are membrane assemblies for use in generating hydrogen and oxygen. The membrane assemblies include a cation exchange membrane, an anion exchange membrane, and a hydrophilic layer disposed between the anion exchange membr...
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WO/2023/166265A1 |
The invention relates to a method for preparing a porous membrane, the method comprising the following steps: a- preparing an aqueous mixture comprising a dispersion of fibres from a water-based organic material, a solid organic binder a...
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WO/2023/166316A1 |
There is described a ceramic membrane comprising a feed flow inlet, a retentate flow outlet, a permeate flow outlet, a membrane interface portion. The membrane interface portion comprises a feed flow channel fluidly coupled to the feed f...
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WO/2023/164042A1 |
A nano-thin BixOySez low-temperature oxygen transporter membrane for oxygen transport, separation, and two-dimensional (2D) material manipulation comprising a material comprising a compound of BixOySez and R3m bismuth oxide (Bi2O3). A me...
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WO/2023/161356A1 |
The present invention relates to a process for the preparation of a membrane (M) containing a sulfonated polyarylenesulfone polymer (sP), the membrane (M) obtained by the inventive process, a fuel cell, an electrodialysis cell and an ele...
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WO/2023/160073A1 |
The present invention relates to the technical field of membrane separation, and discloses a hollow fiber separation membrane, a preparation method therefor and an application thereof. The hollow fiber separation membrane comprises a sup...
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WO/2023/162879A1 |
A porous substrate (31) used in supporting a separation membrane (12) is provided with: a plurality of coarse grains, each of which is a ceramic particle having a particle size of 30 μm or greater; and a plurality of fine grains, each o...
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WO/2023/161357A1 |
The present invention relates a sulfonated polyarylenesulfone polymer (sP) having an at least bimodal molecular weight distribution, a process for the preparation of the sulfonated polyarylenesulfone polymer (sP), a membrane (M) comprisi...
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WO/2023/162525A1 |
A zeolite membrane composite (1) comprises a porous support (11) and a zeolite membrane (12) provided on the support (11). The zeolite membrane (12) comprises a low-density layer (13) covering the support (11) and a dense layer (14) cove...
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WO/2023/162854A1 |
A zeolite membrane composite body (1) according to the present invention is provided with a porous supporting body (11), and a zeolite membrane (12) that is provided on the supporting body (11). With respect to the zeolite membrane (12),...
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WO/2023/162368A1 |
A porous membrane laminate according to one embodiment of the present disclosure comprises one or more porous membranes containing polytetrafluoroethylene as a main component, and satisfies formula (1). (1) P/γ > -31.6 × lnRa + 168 (...
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WO/2023/157844A1 |
[Problem] To provide a polymer composite thin film that, due to being configured in a very thin form using a simpler configuration involving combining (compositing) a nanosupport having exceptional mechanical strength with a nanofilm pro...
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WO/2023/158692A1 |
A mechanically robust LIG membrane can be fabricated by directly lasing a poly(ether) sulfone (PES) membrane support, the PES membranes being formed through a NIPS technique treated with Glycerol to control the pore collapse upon drying,...
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WO/2023/153053A1 |
In the present invention, a reactor (1) includes second flow paths (12) on the permeation side of a separation membrane (30). The second flow paths (12) include: inlets (d1) that open into a first space (P1) between a first sealing part ...
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WO/2023/151941A1 |
A bipolar membrane comprising: a) a first layer comprising a first polymer having cationic groups; b) a second layer comprising a second polymer having anionic groups; and5 c) a third layer comprising a co-continuous polymeric network of...
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WO/2023/153054A1 |
According to the present invention, a reactor (1) has a second channel (12) on the permeation side of a separation membrane (30). The second channel (12) comprises: an inlet (d1) which opens to a first space (P1) between a first sealing ...
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WO/2023/153057A1 |
Each of a plurality of first cells (111a) opens at opposite ends in the longitudinal direction, and is provided with a separation membrane (12) on its inner side surface. A second cell (111b) closes at opposite ends in the longitudinal d...
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WO/2023/152362A1 |
It is provided a supported carbon molecular sieve membrane having aluminum atomically distributed in it, wherein: the aluminum is present in an amount of equal to or lower than 15 wt.% of the carbon molecular sieve membrane; the membrane...
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WO/2023/153172A1 |
The separation membrane composite (1) comprises a porous support (11) and a separation membrane (12) that is disposed on the support (11). In the separation membrane composite (1), the membrane end region (122) refers to each region in t...
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WO/2023/152224A1 |
Disclosed herein are membranes, composition for forming membranes, methods for forming membranes, and sensors and devices comprising membranes. The membrane comprises the reaction product of a diisocyanate, a polymeric aliphatic diol, a ...
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WO/2023/149567A1 |
An aqueous solution comprising terephthalic acid or a salt thereof and a diol is filtered across a polyamide nanofiltration membrane, and terephthalic acid or a salt thereof can be selectively separated and recovered from the non-permeat...
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WO/2023/150086A1 |
The disclosure provides certain porous polymeric membranes, coated with cross-linked polymerized monomers, comprising monomers having a charge when immersed in an organic liquid. The membranes of the disclosure are useful in removing tra...
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WO/2023/149812A1 |
The present application discloses a porous filter membrane and an assembly of porous filter membranes for air filtration and inactivation of virus. The porous filter membrane comprises a metallic based coating with anti-viral characteris...
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WO/2023/142842A1 |
Provided in the present invention are a PES hollow fiber membrane for the purification of a biomacromolecule, and a preparation method therefor and the use thereof. The PES hollow fiber membrane comprises a main body, wherein there are a...
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WO/2023/141682A1 |
A filtration assembly and method of use thereof are provided for causing a flowable filter medium composition to form a stable filter membrane. In one form, there is provided a filtration assembly including: a vessel; a main conduit exte...
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WO/2023/139121A1 |
The present disclosure relates to process for preparing a semi-permeable membrane comprising a porous support membrane and a thin film composite (TFC) layer, comprising providing an aqueous phase comprising a polyfunctional amine monomer...
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WO/2023/138144A1 |
Disclosed in the present invention are a recyclable electret filtering membrane, a preparation method therefor and a cleaning and charge regeneration method therefor. The preparation method comprises: dissolving fluorine-containing polym...
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WO/2023/141095A1 |
Described are wound-pleated filters and methods of preparing and using these filters.
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WO/2023/141426A1 |
Membranes, methods of making the membranes, and methods of using the membranes are described herein. The membrane can include a support layer; and a selective polymer layer disposed on the support layer. The selective polymer layer can i...
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WO/2023/140330A1 |
Provided are: a porous membrane that has excellent durability, and is suitable as a support for an ion exchange resin; and a porous membrane and an anion exchange membrane that are capable of inhibiting a change in hydrogen gas permeabil...
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WO/2023/137688A1 |
The present invention discloses an aerosol nanofiber filter membrane, and a preparation method therefor and the use thereof. The preparation method comprises the following steps: dissolving polyvinylidene fluoride and polyacrylonitrile t...
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WO/2023/139869A1 |
A porous membrane according to the present disclosure is composed mainly of polytetrafluoroethylene, wherein the mean flow pore size E is 75 nm or less, and the pore size difference G-E between the maximum pore size G and the mean flow p...
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WO/2023/139431A1 |
The invention relates to a device for separating hydrogen from a hydrogen-containing gas mixture and an arrangement provided with the device, with a plurality of mixed-gas chambers ( 17 ) and hydrogen collection chambers ( 18 ) arranged ...
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WO/2023/140335A1 |
Provided is a composite separation structure having a base part, a first separation part disposed in contact with the base part, and a second separation part disposed not in contact with the base part and in contact with the first separa...
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WO/2023/135618A1 |
Apparatus (10) for filtering liquids, comprising at least a tank (11) for containing a liquid to be filtered and a filtration unit (12) provided with a plurality of filtering elements (15) which are integral with and fluidically connecte...
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WO/2023/135126A1 |
A gas separation membrane (GSM) comprising: a) a porous substrate; and b) a discriminating layer in contact with the porous substrate; wherein: (i) the discriminating layer has an ethylene oxide (EO) content of more than 50 wt% and compr...
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WO/2023/136214A1 |
Provided are a raw material liquid concentration method and a raw material liquid concentration system that can achieve a high flux even when using a raw material liquid that is rich in an organic solvent. An aspect of the present invent...
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