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Matches 501 - 550 out of 24,813

Document Document Title
WO/2017/080458A1
Provided is a polytetrafluoroethylene hollow fiber membrane, comprising a polytetrafluoroethylene material body; the polytetrafluoroethylene has a fiber shape and the fiber has a diameter of 200-2000 nm; the body has pore cavities of a p...  
WO/2017/082529A1
The present invention relates to: a water treatment membrane comprising a porous carbon structure prepared from an intrinsic porous polymer; and a preparation method therefor. According to the present invention, the water treatment membr...  
WO/2017/080478A1
A polytetrafluoroethylene (PTFE) fiber membrane, comprising a PTFE body, wherein the PTFE is in the form of fibers > 200 nm and ≤ 2000 nm in diameter, the body is provided with pore spaces between 10 nm and 2000 nm in diameter, and por...  
WO/2017/083055A1
The antimicrobial agent includes at least one two-dimensional metal carbide layer. The two-dimensional metal carbide has the formula Tin+1CnTx, where T represents a terminal functional group and x represents the number of terminal functi...  
WO/2017/080417A1
A polytetrafluoroethylene superfine hollow fiber membrane, comprising a body of a polytetrafluoroethylene material, the polytetrafluoroethylene material being fibrous with a fiber diameter of 30-200nm, the body having pore cavities with ...  
WO/2017/082088A1
To provide: a purification method which uses a polyimide and/or polyamide imide porous membrane that exhibits excellent removal performance for impurities such as metals, and wherein a liquid that is a silylating agent liquid, a film for...  
WO/2017/080479A1
A polytetrafluoroethylene (PTFE) fiber membrane, comprising a PTFE material body, wherein the PTFE is in the form of fibers > 200 nm and ≤ 2000 nm in diameter, the body is provided with pore spaces between 10 nm and 2000 nm in diameter...  
WO/2017/083481A9
Asymmetric membrane structures are provided that are suitable for hydrocarbon reverse osmosis of small hydrocarbons. Separation of para-xylene from ortho- and meta-xylene is an example of a separation that can be performed using hydrocar...  
WO/2017/080466A1
Provided is a polytetrafluoroethylene fiber tubular membrane, comprising a polytetrafluoroethylene material body; the polytetrafluoroethylene has a fiber shape and the fiber has a diameter of 30-200 nm; the body has pore cavities of a po...  
WO/2017/080469A1
A polytetrafluoroethylene fiber tube film, comprising a polytetrafluoroethylene material body, the polytetrafluoroethylene being fibrous, 200 nm < fibre diameter ≤ 2000 nm, the body being provided with pore cavities having a pore diame...  
WO/2017/080475A1
A polytetrafluoroethylene fiber membrane, comprising a body of a polytetrafluoroethylene material, the polytetrafluoroethylene material being fibrous with a fiber diameter of 30-200nm. The body has pore cavities with a pore diameter of 1...  
WO/2017/081841A1
This crystalline silica membrane complex includes a porous substrate and a pure silica membrane formed on a surface of the porous substrate, the pure silica membrane having a CHA type crystal structure and a permeance ratio of H2 to SF6 ...  
WO/2017/080468A1
A polytetrafluoroethylene fiber tubular membrane, comprising a body of a polytetrafluoroethylene material, the polytetrafluoroethylene material being fibrous with a fiber diameter of greater than 200nm and less than or equal to 2000nm. T...  
WO/2017/080474A1
Provided is a polytetrafluoroethylene fiber membrane, comprising a polytetrafluoroethylene material body; the polytetrafluoroethylene has a fiber shape and the fiber has a diameter of 30-200 nm; the body has pore cavities of a pore diame...  
WO/2017/083473A1
A symmetric membrane structures are provided that are suitable for various types of separations, such as separations by reverse osmosis. Methods for making an asymmetric membrane structure are also provided. The membrane structure can in...  
WO/2017/080477A1
Provided is a polytetrafluoroethylene fiber membrane, comprising a polytetrafluoroethylene material body; the polytetrafluoroethylene has a fiber shape and the fiber has a diameter of greater than 200 nm and less than or equal to 2000 nm...  
WO/2017/080462A1
Provided is a polytetrafluoroethylene hollow fiber membrane, comprising a polytetrafluoroethylene material body; the polytetrafluoroethylene has a fiber shape and the fiber has a diameter of greater than 200 nm and less than or equal to ...  
WO/2017/080419A1
Provided is a polytetrafluoroethylene fiber membrane used for membrane distillation, comprising a polytetrafluoroethylene material body; the polytetrafluoroethylene has a fiber shape and the fiber has a diameter of 30-200 nm; the body ha...  
WO/2017/075648A1
The invention relates to a membrane and method for its manufacture, the method including the steps of (1 ) providing of an ultrafiltration membrane, and (2) modification of the resultant ultrafiltration membrane to provide an asymmetric ...  
WO/2017/075242A1
The invention includes room-temperature ionic liquids that are capable of reversibly binding oxygen gas (O2). The invention further includes methods of preparing and using the compounds of the invention. The room-temperature ionic liquid...  
WO/2017/075328A1
Disclosed herein are filtration articles comprising a porous ceramic structure comprising a plurality of channels separated by a plurality of porous interior walls, and a nanomembrane disposed on at least a portion of a surface of the po...  
WO/2017/073518A1
[Problem] To provide a carbon dioxide separation method in which an acid gas removal process using an absorbing liquid is combined with a membrane separation using an inorganic separation membrane, such that, during the separation of car...  
WO/2017/074319A1
A lower chamber is to contain a culture that emits a volatile organic compound. A sensor is within an upper chamber. A transport accelerator/selector transports the volatile organic compound in the lower chamber towards the sensor.  
WO/2017/073698A1
The purpose of the present invention is to provide a composite semipermeable membrane that achieves a high water permeate flow rate and a high salt-removal performance, and that also delivers excellent performance stability when being op...  
WO/2017/073517A1
[Problem] To provide a carbon dioxide separation method with which, during the separation of carbon dioxide from a mixed gas containing carbon dioxide and methane via membrane separation using an inorganic separation membrane, it is poss...  
WO/2017/074751A1
Aerogel compositions, methods for preparing the aerogel compositions, articles of manufacture that include or are made from the aerogel compositions are described and uses thereof. The aerogels include a branched polyimide matrix with li...  
WO/2017/069770A1
A microporous structure includes an array of nano wires and a coating about the nano wires of the array. The coating defines pores between the nano wires. And a sample preparation device comprises a donor phase microfluidic channel, an a...  
WO/2017/069965A1
Described herein is a filtration media comprising: (i) a first filtration medium comprising an anion exchange nonwoven substrate, wherein the anion exchange nonwoven substrate comprises a plurality of quaternary ammonium groups; and (ii)...  
WO/2017/069795A1
A process for separating components of a gas mixture using gas-separation copolymer membranes. These membranes use a selective layer made from copolymers of partially fluorinated or perfluorinated dioxolane monomers and a second monomer,...  
WO/2017/068517A1
The present disclosure relates to a novel carbon molecular sieve membranes - CMSM. More particularly, the disclosure relates to the polymeric precursor and carbonization conditions needed for producing a high-selective, age-free CMSM. Mo...  
WO/2017/069990A1
The invention discloses dual layer-coated membranes and methods for making and using them. The membranes have a relatively porous and substantial void-containing selective asymmetric membrane support, a first coating layer comprising a h...  
WO/2017/065150A1
A semipermeable membrane according to one embodiment of the present invention is provided with: a semipermeable membrane layer that is mainly composed of an amorphous resin; and a sheet-like supporting body that supports the semipermeabl...  
WO/2017/065192A1
The present invention provides, at a low cost and with excellent yield, a polyethylene porous film having a high porosity, superior air permeability, and an excellent filtration rate, filter life, and filter rating. This porous film incl...  
WO/2017/066586A1
Disclosed herein is a functionalized block copolymer comprising (a) at least one end block D comprising on average at least one amino- or phosphino- functionalized polymer unit of formula (I) and one or more additional blocks selected fr...  
WO/2017/064936A1
Provided is a composite separation membrane that is provided with separating layers, said separating layers comprising SPAE and being positioned on the surface of a porous supporting membrane, and has dramatically improved characteristic...  
WO/2017/060476A1
A poly(methyl methacrylate) (PMMA) membrane having a highly porous, reticulated, 3-D structure suitable for lateral flow diagnostic applications is described. Also described is a method for producing a poly(methyl methacrylate) (PMMA) me...  
WO/2017/062663A1
Non-oxidative direct methane conversion (NDMC) to value-added products, such as H2, C2 hydrocarbons, and aromatics, occurs within a reactor heated to an elevated temperature. The reactor can have a first volume, where a feed gas includin...  
WO/2017/056594A1
The purpose of the present invention is to provide a porous molded body which is capable of adsorbing and removing low-molecular-weight organic matters or ions with high removal rate. The present invention relates to a porous molded body...  
WO/2017/056074A1
Asymmetric composite membranes and methods for their preparation are disclosed. The membranes comprise a cross-linked poly(vinyl alcohol) polymer coated on a film of cross-linked sulfonated poly(ether ether ketone) adhered to a sheet of ...  
WO/2017/056134A1
[Problem] To provide a nonhydrocarbon gas separation device which can separate a nonhydrocarbon gas from natural gas that contains heavy hydrocarbons. [Solution] This nonhydrocarbon gas separation device separates a nonhydrocarbon gas fr...  
WO/2017/057766A1
The problem to be solved by the present invention is to provide a separation film mainly comprising a cellulose-based resin having high permeability. The present invention pertains to a separation film containing a cellulose ester, where...  
WO/2017/057378A1
The purpose of the present invention is to provide a composite semipermeable membrane having achieved both strength and water-permeable properties. This composite semipermeable membrane is provided with a substrate, a porous support body...  
WO/2017/056508A1
This air filter material (10) comprises a first polytetrafluoroethylene (PTFE) porous membrane (1) and a second PTFE porous membrane (2). Fibers included in the first PTFE porous membrane (1) have an average fiber diameter of 0.24-0.45 ...  
WO/2017/055615A1
A membrane contactor system for separating CO2 from a mixed gaseous feed stream comprising CO2, said contactor system comprising: (i) a composite membrane, said membrane having a permeate side and a retentate side; (ii) said retentate si...  
WO/2017/054565A1
A method of preparing a metal organic framework membrane, the method comprising: contacting a metal source with an organic ligand and through hot-pressing forming a metal organic framework membrane on a substrate. The method can more con...  
WO/2017/052256A1
The present invention relates to a water treatment membrane and a method for manufacturing the same. The water treatment membrane comprises: a porous support; and a polyamide active layer which is provided on the porous support, wherein ...  
WO/2017/050019A1
A method for preparing meshed polyvinylidene fluoride (PVDF) film based on a polyvinyl alcohol (PVA) gel, comprising: (1) mixing the PVA, a masking agent and a solvent in a certain mass ratio, stirring, heating at 105℃, and dissolving ...  
WO/2017/052185A1
The present invention relates to a method for producing a polymer filtration membrane, which has improved efficiency and is thus favorable to mass production and enables improved filtration performance as a result of evenly distributed f...  
WO/2017/053717A1
A passive and active sampler for airborne particulate sampling (especially particles of biological origin) and a method of using same are disclosed. The sampler includes a sampler base portion of variable size and shape having a longitud...  
WO/2017/048461A1
A method is described of producing a composite oxygen ion membrane and a composite oxygen ion membrane in which a porous fuel oxidation layer and a dense separation layer and optionally, a porous surface exchange layer are formed on a po...  

Matches 501 - 550 out of 24,813