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Patent Searching and Data


Matches 1 - 50 out of 15,938

Document Document Title
WO/2018/104498A2
The invention relates to a method for producing a hollow fibre membrane bundle from a plurality of polysulphone-based and PVP-based hollow fibre membranes, involving: providing a spinning solution comprising a material based on polysulph...  
WO/2018/104455A2
A hydrogen permeable membrane device is provided that includes a porous ceramic layer having a material that includes zirconia, Yttria-stabilized zirconia (YSZ), γ/Al2 O3, and/or YSZ- γ/Al2 O3, and a porous Pd film or porous Pd-alloy f...  
WO/2018/101560A1
The present invention relates to a membrane filtration system in which a separator membrane reciprocates, thereby enabling foreign substances attached to the separator membrane to be effectively removed while reducing energy consumption....  
WO/2018/099994A1
The present disclosure relates to semipermeable membranes based on acrylonitrile copolymers capable of adsorbing bacteria from fluids,methods of producing such membranes, and devices comprising such membranes.  
WO/2018/101541A1
The present invention is to prepare a support layer used in a forward osmosis filter, and the technical subject matters of the present invention are a method for preparing a forward osmosis filter support layer and a forward osmosis filt...  
WO/2018/100384A1
The invention relates to graphene oxide laminate membranes that are physically constrained. The physical constraint limits the size of the capillaries in the laminate, allowing them to be tailored to a particular application. This invent...  
WO/2018/100841A1
According to the present invention, oxygen permeable membrane modules 2a to 2c are disposed in multiple stages inside a reaction tank 3. An oxygen-containing gas from a blower B is circulated through pipes 8, 9 and 10 to the oxygen perme...  
WO/2018/101558A1
The present invention relates to a membrane filtration system in which a separator membrane reciprocates, thereby enabling foreign substances attached to the separator membrane to be effectively removed while reducing energy consumption....  
WO/2018/091865A1
A composite membrane comprising: (a) a porous support; (b) optionally a gutter layer; (c) a polyimide discriminating layer; and (d) a protective layer comprising dialkylsiloxane groups and having an average thickness of 825 to 2,000 nm; ...  
WO/2018/092858A1
One embodiment of the present invention relates to a separation membrane for selectively separating a component (A) from a fluid that contains the component (A) and a component (B). This separation membrane has a first surface and a seco...  
WO/2018/093714A1
The invention provides systems and methods for substantially improving the compaction resistance of isoporous block copolymer (BCP) film by adding a high molecular weight hydrophilic additive in the casting dope formulation. Systems and ...  
WO/2018/093488A1
A novel chemically cross-linked rubbery polymeric thin film composite (TFC) membrane comprising a selective layer of a chemically cross-linked rubbery polymer supported by a porous support membrane formed from a glassy polymer has been d...  
WO/2018/092516A1
The hollow-fiber membrane according to an embodiment of the present invention comprises: a cylindrical framework material which comprises polytetrafluoroethylene as the main component and has porosity; and a resinous coating film which h...  
WO/2018/091273A1
Process for treating water, wherein feed water is being treated with a membrane M, said membrane M being a reverse osmosis membrane, a forward osmosis membrane or a nanofiltration membrane, wherein said membrane M is contacted with an an...  
WO/2018/093707A1
The present invention is directed to a method for treating a surface of a filled microporous membrane. The microporous membrane includes a polyolefinic matrix, inorganic filler distributed throughout the matrix, and a network of intercon...  
WO/2018/093487A1
A novel high flux, cross-linked, fumed silica reinforced polyorganosiloxane thin film composite (TFC) membrane comprising a selective layer of a high flux, cross-linked, fumed silica reinforced polyorganosiloxane polymer supported by a p...  
WO/2018/091966A1
Methods are provided for producing a biaxially oriented nanoporous UHMWPE membrane. The method can include combining a petroleum jelly, an ultra-high-molecular- weight polyethylene (UHMWPE), and an antioxidant, forming a suspension, feed...  
WO/2018/093708A1
The present invention is directed to a method for treating a surface of a filled microporous membrane. The microporous membrane includes a polyolefinic matrix, inorganic filler distributed throughout the matrix, and a network of intercon...  
WO/2018/089114A1
An asymmetric hollow fiber (CMS) carbon molecular sieve is made by providing a dope solution comprised of a polvimide and a solvent, at a temperature greater than 250°C that is less than the storage modulus at a temperature of 250°C, b...  
WO/2018/086343A1
Provided are a method of preparing a hierarchical porous channel molecular sieve membrane and an application thereof. The method comprises adding a mesoporous structure-directing agent so as to self-assemble on a membrane layer, thereby ...  
WO/2018/087289A1
Disclosed is a vesicle comprising polystyrene-polyacrylic acid (PS-PAA) block copolymer and an amphiphilic functional molecule. The vesicle is stable even at elevated temperatures and the amphiphilic functional molecule remains active. A...  
WO/2018/088232A1
A porous hollow fiber membrane is formed from a thermoplastic resin and is characterized in that the membrane thickness is 0.050 – 0.25 mm, and when the hardness coefficient is defined as K = (compressive resistance)/((membrane thickne...  
WO/2018/084131A1
A porous film that contains a thermoplastic resin and that is provided with a dense structure layer, the proportion of α-crystal strength relative to β-crystal strength of the thermoplastic resin in the dense structure layer being 5.0 ...  
WO/2018/085377A1
Membranes, methods of making the membranes, and methods of using the membranes are described herein. The membranes can comprise a support layer, and a selective polymer layer disposed on the support layer. The selective polymer layer can...  
WO/2018/085500A1
A hydrogen separation membrane employs dense liquid metal separator deposited on a support structure for providing a membrane film allowing passage of hydrogen to be used in industrial processes and consumer applications benefiting from ...  
WO/2018/085057A1
A method of preparing a filtration membrane. The method includes providing a copolymer solution by dissolving a statistical copolymer in a mixture of a co-solvent and a first organic solvent, coating the copolymer solution onto a porous ...  
WO/2018/084958A1
A polyimide separation membrane is comprised of a polyimide, a halogen compound (e.g., halogenated aromatic epoxide) that is soluble in the polyimide and a hydrocarbon having 2 to 5 carbons (e.g., ethane, ethylene, propane or propylene)....  
WO/2018/079733A1
[Problem] To provide a forward osmosis membrane which is provided with a semipermeable membrane manufacturable as a self-supporting membrane and which is highly water permeable but has a high salt rejection rate. [Solution] This forward ...  
WO/2018/079612A1
This nanocarbon separation membrane is provided with a plurality of graphene oxide pieces that are provided in a mutually overlapping manner when viewed from the thickness direction and that are cross-linked together by divalent cations,...  
WO/2018/080219A1
Provided is a filter module for a gravity-type water purifier. The filter module for a gravity-type water purifier according to an exemplary embodiment of the present invention includes: a plurality of filter members which are plate shap...  
WO/2018/080398A1
There is provided a hollow fiber membrane for vacuum membrane distillation having a maximum tensile strength of ≥ 3.5 MPa and a liquid entry pressure (LEP) of ≥ 3.0 bar, wherein the hollow fiber membrane is a single layer hollow fibe...  
WO/2018/079484A1
Provided is a method for producing oligosilane with which the desired oligosilane can be produced more efficiently. The oligosilane-containing reaction mixture fluid obtained by dehydrocondensation of hydrosilane is fed to a membrane sep...  
WO/2018/079729A1
The present invention pertains to a gas separation membrane, the gas separation membrane having a support membrane and a separation function layer which is disposed on the support membrane and contains a crosslinked polyamide obtained by...  
WO/2018/077476A1
The invention relates to a porous textile fabric, a filter element comprising the porous textile fabric, to a method for producing the porous textile fabric, to a method for producing the filter element and to the use of the textile fabr...  
WO/2018/079604A1
This nanocarbon separation membrane is provided with a plurality of graphene oxide pieces that are provided in a mutually overlapping manner when viewed from the thickness direction and that are cross-linked together by divalent cations,...  
WO/2018/079808A1
[Problem] The purpose of the present invention is to provide a hollow fiber membrane that can exhibit stable performance for increases in amount of blood flow or filtration by optimizing the structure of a compact layer on the inner surf...  
WO/2018/079589A1
The purpose of the present invention is to provide: a composite semipermeable membrane which has three excellent properties, namely, excellent ionic substance blocking performance, excellent nonionic substance blocking performance and ex...  
WO/2018/079807A1
[Problem] The purpose of the present invention is to optimize the structure of a dense layer on the inner surface of a hollow fiber membrane and to thereby provide a hollow fiber membrane that can achieve stable performance in response t...  
WO/2018/079645A1
Provided are: an oxide nanosheet and an oxide nanosheet film that can be mass-produced at low cost, it being possible to easily control the pore characteristics thereof; and methods for producing an oxide nanosheet and an oxide nanosheet...  
WO/2018/077782A1
The invention relates to a method for determining a permeation property of hollow fibre membranes, where the permeation property of the hollow fibre membrane is determined on a hollow fibre membrane bundle which is introduced into a hous...  
WO/2018/071978A1
The present invention relates to the separation of sperm. In particular, the present invention relates to the use of polyvinyl alcohol membranes in the electrophoretic separation of sperm.  
WO/2018/075637A1
An osmotic membrane comprises an active layer and a composite support layer. The active layer selectively allows passage of water molecules but rejects at least some dissolved ions. The composite support layer includes a side that is bon...  
WO/2018/074127A1
An aqueous hydrogen peroxide purification method for subjecting aqueous hydrogen peroxide to a reverse osmosis membrane separation treatment using a high-pressure reverse osmosis membrane separation device 3, wherein the high-pressure re...  
WO/2018/071883A1
Features of relatively low pressure microporous (and preferably plant-responsive) irrigation tubes are combined with features of relatively high pressure drip emitter tubes to produce a hybrid irrigation tube. Methods for using and manuf...  
WO/2018/067269A1
Described herein is a crosslinked graphene material based element that provides anti-microbial capabilities. Described is an element that can also comprise a support. Also described is an element where the support can be the article to b...  
WO/2018/067269A8
Described herein is a crosslinked graphene material based element that provides anti-microbial capabilities. Described is an element that can also comprise a support. Also described is an element where the support can be the article to b...  
WO/2018/066875A1
Provided is a planar filter for water treatment. A planar filter for water treatment according to an embodiment of the present invention comprises: a filter member comprising a first planar support having a predetermined area and a pair ...  
WO/2018/062451A1
The purpose of the present invention is to provide a separation membrane module of which the performance does not deteriorate even when coming into contact with a biological component such as blood, which can be used for a prolonged peri...  
WO/2018/062706A1
Disclosed are a header, a hollow fiber membrane module including the same, and a filtration device including the same, the header being capable of increasing the degree of integration of a hollow fiber membrane without deteriorating long...  
WO/2018/060510A2
A hollow fibre membrane having a coiled, a hemihelix, a helical or an undulated native form, in which the membrane can be stretched by up to 4-times its original length with no plastic deformation, and wherein the native form of the memb...  

Matches 1 - 50 out of 15,938