Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 251 - 300 out of 24,159

Document Document Title
WO/2017/091178A1
The invention relates to obtaining a nanofiber membrane by coating a hollow braided rope (3) with a nanofiber layer (2), to the usage of said tubular nanofiber membrane as a support layer membrane, and to the fabrication of forward osmos...  
WO/2017/085054A1
The present invention is directed to nanofiltration (NF) composite membranes comprising at least one polymeric porous substrate layer (S) and at least one porous selfassembled supramolecular membrane layer (F); a method of preparing such...  
WO/2017/085022A1
Device comprising a hydrogen purification membrane (1), the membrane (1) comprising a hydrogen permeation-selective, dense metallic foil (2) having a low pressure side (4) and a high pressure side (3), defining a permeation direction of ...  
WO/2017/087180A1
The present invention discloses high selectivity copolyimide membranes for gas, vapor, and liquid separations. Gas permeation tests on these copolyimide membranes demonstrated that they not only showed high selectivity for CO2/CH4 separa...  
WO/2017/086084A1
A repair method for a separation membrane (30) comprises a step for adhesion of a colloidal solution with a prescribed pH, wherein repair material particles are dispersed in an aqueous solvent, to the surface of the separation membrane (...  
WO/2017/086203A1
The present invention addresses the problem of providing a gas selective permeable membrane which has gas permeability and gas selectivity that is capable of highly separating a targeted gas and other gases, and which is hardly affected ...  
WO/2017/085322A1
A method of preparing a membrane comprising the steps of: a) mixing together a membrane-forming polymer, a water-soluble polyetheramine, and a solvent, said mixture containing no component which will react chemically with the polyetheram...  
WO/2017/086997A1
Disclosed here are semi-permeable cross-linked polyvinyl alcohol (PVA) based membranes that can be used as supports for water purification membranes, and methods for their production. The cross-linked PVA-based membranes are cross-linked...  
WO/2017/085551A1
The present disclosure relates, according to some embodiments, to systems, apparatus, and methods for fluid purification (e.g., water) with a ceramic membrane. For example, the present disclosure relates, in some embodiments, to a cross-...  
WO/2017/080464A1
A polytetrafluoroethylene fiber tubular membrane comprising a polytetrafluoroethylene material body, wherein the polytetrafluoroethylene is in fibrous shape with diameter of 30 to 200 nm; the body has cavities with aperture of 10 to 1000...  
WO/2017/080470A1
A polytetrafluoroethylene fiber tubular membrane comprises: a polytetrafluoroethylene material body, wherein the polytetrafluoroethylene is in fibrous shape with the fiber diameter of greater than 200 nm and less than or equal to 2000 nm...  
WO/2017/080460A1
A polytetrafluoroethylene (PTFE) hollow 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 d...  
WO/2017/080456A1
A polytetrafluoroethylene hollow fiber membrane comprises a polytetrafluoroethylene material body, wherein the polytetrafluoroethylene is in fibrous shape with diameters of 30 to 200 nm. The body has cavities with hole diameters of 10 to...  
WO/2017/080418A1
A polytetrafluoroethylene ultrafine fiber tubular membrane comprises a polytetrafluoroethylene body, wherein the polytetrafluoroethylene is fibrous with the fiber diameter of 30nm-200nm; the body consists of pore cavities having the diam...  
WO/2017/083473A8
Asymmetric 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 inc...  
WO/2017/080457A1
Provided is a polytetrafluoroethylene hollow 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...  
WO/2017/080463A1
A polytetrafluoroethylene hollow fiber membrane comprises a polytetrafluoroethylene material body, wherein the polytetrafluoroethylene is in fibrous shape with the fiber diameter of greater than 200 nm and less than or equal to 2000 nm; ...  
WO/2017/080467A1
Provided is a polytetrafluoroethylene fiber tubular membrane, comprising a polytetrafluoroethylene material body; the polytetrafluoroethylene has a fiber shape and the fiber diameter is larger than 200 nm and smaller than or equal to 200...  
WO/2017/080465A1
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/2017/083481A1
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/2017/080473A1
Polytetrafluoroethylene ultra-fine 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 pore d...  
WO/2017/080476A1
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/2017/083478A1
Asymmetric 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 inc...  
WO/2017/080455A1
A polytetrafluoroethylene superfine hollow fiber membrane, comprising a body of polytetrafluoroethylene material, the polytetrafluoroethylene material being fibrous with a fiber diameter of 30-200nm. The body has pore cavities with a por...  
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/2017/080466A1
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...  

Matches 251 - 300 out of 24,159