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WO/2021/245501A1 |
Embodiments include nanofilms comprising the reaction product of a natural building block type A including at least two functional groups and a natural building block type B including at least three functional groups, wherein the natural...
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WO/2021/049923A9 |
The invention relates to means of purifying acid pollution of gaseous fuel combustion products, in particular, from NOx and CO2. The claimed process for separation of a selected gaseous component from a gas mixture comprises the followin...
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WO/2021/246046A1 |
The separation membrane module (21) comprises: a separation membrane composite (1) having a support (11) and a separation membrane (12) provided on the support (11); a housing container (22) for housing the separation membrane composite ...
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WO/2021/245464A1 |
The present invention relates to a porous composite membrane comprising: - graphene oxide sheets; and - nanoparticles bound to a surface of the graphene oxide sheets solely by electrostatic and/or Van der Waals interactions. The present ...
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WO/2021/245271A1 |
A spiral wound membrane element comprising a permeate collector to which are mounted a plurality of membrane envelopes; wherein the membrane envelopes comprise a membrane and a permeate carrier; wherein the permeate carrier is in fluid c...
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WO/2021/245137A1 |
The present invention relates to a method for producing a polyelectrolyte complex (PEC) membrane having a predetermined porosity via salt dilution induced phase separation, in which a liquid polymer solution (P) containing polyanions (A)...
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WO/2021/240149A1 |
There is described a separation membrane, suitably for oil and water separation. The membrane comprising a porous substrate layer and an active layer arranged over at least a part of the substrate layer. The active layer comprises a hydr...
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WO/2021/240917A1 |
This separation membrane composite body comprises a porous support body, and a separation membrane formed on the support body. The separation membrane comprises small pores (121). When Sm represents the surface area of the separation mem...
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WO/2021/240150A1 |
There is described as a separation membrane, such as for pressure-assisted oil and water separation. The membrane comprises a porous substrate layer and an active layer arranged over at least a part of the substrate layer. The active lay...
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WO/2021/241742A1 |
The present invention relates to a method for separating and recovering a cobalt salt and a nickel salt, the method including a separation step for separating a cobalt salt and a nickel salt from a rare metal-containing aqueous solution ...
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WO/2021/241514A1 |
The present invention provides a porous film having a relief structure provided with protrusions and recesses on at least one surface. In a plane located at a height of 50 nm from a reference surface of the surface, the average number de...
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WO/2021/235168A1 |
Provided is a tubular separation membrane suitable for treating oil-containing wastewater. The tubular separation membrane comprises cellulose acetate, has a membrane thickness of 0.05-0.4 mm, and satisfies the relationships given in the...
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WO/2021/236221A1 |
Provided herein are gas permeable membranes comprising an amine-containing selective layer on top of a gas permeable polymer support as well as methods of making and using thereof. The membranes are useful for the separation of CO2 from ...
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WO/2021/235554A1 |
The present invention relates to a separation apparatus or system using a separation membrane, said separation apparatus or system serving as a means for separating ions of impurities other than hypochlorous acid from an aqueous solution...
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WO/2021/236220A1 |
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/2021/232649A1 |
A preparation method for a MABR hollow fiber composite membrane, comprising the following steps: (1) pre-treating a base membrane: soaking the base membrane in ethanol, immersing the base membrane in clear water, and removing residual wa...
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WO/2021/235118A1 |
A porous film laminate according to the present disclosure comprises: a porous supporting layer; and a porous film which is stacked on one surface of the supporting layer and is composed primarily of polytetrafluoroethylene. The porous f...
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WO/2021/236425A1 |
In at least one embodiment, a building material comprising a porous membrane having a moderate to high water vapor permeability and high liquid water penetration resistance is disclosed. The building material may be used in building appl...
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WO/2021/232018A1 |
Disclosed are copolymers, comprising a plurality of zwitterionic repeat units, and a plurality of hydrophobic repeat units, wherein the hydrophobic repeat units each independently comprises a cross-linkable moiety; the cross-linked copol...
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WO/2021/230819A1 |
There is provided a semi-crystalline polymer membrane, the membrane being a single-layer membrane and superwettable without provision of a coating or additives. There is also provided a method of forming the membrane comprising: depositi...
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WO/2021/230265A1 |
A hydrogen gas separator (100, 100A, 100B, 100C) is provided with: an inflow part (10) for intake of a mixed gas containing hydrogen gas; a porous membrane (40, 40-1, 40-2, 40-3) that is permeated by hydrogen as a result of contacting th...
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WO/2021/230622A1 |
The present invention can be applied to a technical field related to secondary batteries and, for example, relates to a separator for a lithium ion secondary battery, a manufacturing method therefor, and a secondary battery using same. T...
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WO/2021/230823A1 |
There is provided a graphene oxide-based membrane comprising a substrate and a plurality of layers of single-layered graphene oxide formed on the substrate, each of the plurality of layers of single-layered graphene oxide is functionalis...
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WO/2021/230820A1 |
Herein disclosed is a method of producing a silicalite membrane, which includes heating an aqueous solution that includes a dopant precursor and structure-directing template agents to form silicalite seeds incorporated with a dopant, dep...
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WO/2021/229925A1 |
The present invention addresses the problem of providing: a filtration material for an immersion-type filtration cartridge, the filtration material having not only exceptional collection performance but also a high processing quantity wi...
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WO/2021/231926A1 |
The present disclosure relates to a composite membrane formed by lamination of two or more separate porous polymeric layers, as well as to a method and system for lamination. Advantageously, the resulting composite is a single layer, bei...
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WO/2021/229364A1 |
A photothermoelectric sensor (1700) for transforming photothermal energy into electrical energy includes a housing (1702) having an internal chamber (1710); an MXene membrane (100, 1200) located inside the housing (1702) and positioned t...
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WO/2021/230985A1 |
Provided herein are molecular sieve membranes (100) for separating hydrocarbons of a lube feed stock into a permeate and a retentate based on molecular shape. The molecular sieve membranes comprise one or more layers of size-selective ca...
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WO/2021/227330A1 |
A solvent-resistant polymer nanofiltration membrane, a preparation method therefor, and the use thereof. The preparation method therefor comprises the following steps: subjecting an diamine monomer and a dianhydride monomer to cyclizatio...
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WO/2021/229327A1 |
A chromatography device having a housing having an inlet and an outlet. At least two layers of media disposed between the inlet and the outlet inside of the housing forming a media stack, with at least one of the layers comprising a func...
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WO/2021/230082A1 |
A hollow fiber membrane module 1 comprises a first hollow fiber membrane in which a sieve coefficient relative to dextran having a molecular weight of 300-1000 kDa (inclusive) is 0.12-0.28 (inclusive), the first hollow fiber membrane ads...
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WO/2021/226227A1 |
Provided is a porous membrane including polytetrafluoroethylene and/or modified polytetrafluoroethylene having a small pore diameter, thin film thickness, high porosity, and high strength; and a method for manufacturing the same. The por...
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WO/2021/225315A1 |
Embodiments of the present invention relate to a new concept complex generator capable of high efficiency power generation by means of applying a polar solution to a MXene layer-coated hydrophilic fiber membrane complex generator, and to...
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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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