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WO/2008/128471 |
A biphase separating membrane, its preparing method and a method for treating high concentration ammonia nitrogen waste water using the biphase separating membrane are provided. The biphase separating membrane is prepared from 98-102 par...
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WO/2008/129041 |
The present invention pertains to a linear semi-crystalline copolymer [polymer (A)] comprising recurring units derived from vinylidene fluoride (VDF) monomer and at least one hydrophilic (meth)acrylic monomer (MA) of formula (I) wherein ...
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WO/2008/129213 |
The invention relates to a method for the preparation of a diblock copolymer comprising a hydrophilic block (B) and a hydrophobic block (A), or of a triblock copolymer having a hydrophilic block (B), a hydrophobic block (A) and a second ...
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WO/2008/128760 |
There is described a composite material such as venting materials and vents containing said venting materials. The vents are air- or more generally gas-permeable venting composites that are oleophobic and liquid repellent.
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WO/2008/127024 |
The present invention relates to a membrane module for treating water. The present invention provides a membrane module, which includes a support; and a membrane laminated on the support, wherein the support is deflected when one end of ...
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WO/2008/127734 |
Polyamine, polyamine/guanidino, and polyamine/biguanide compounds bearing allene, propargyl, cyclopropyl, and other reactive moieties are disclosed. The compounds are useful as irreversible inhibitors of the enzyme lysine-specific demeth...
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WO/2008/127406 |
A gas separation membrane and a method of manufacturing such gas separation membrane that comprises a porous substrate treated with a layer of metal-coated inorganic oxide particles and with the layer of such metal-coated inorganic oxide...
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WO/2008/127406 |
A gas separation membrane and a method of manufacturing such gas separation membrane that comprises a porous substrate treated with a layer of metal-coated inorganic oxide particles and with the layer of such metal-coated inorganic oxide...
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WO/2008/124062 |
Composite structures are described that have a porous anodic oxide layer such as, for example, a porous anodic aluminum oxide layer. In one aspect, the present invention includes a composite gas separation module having a porous metal su...
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WO/2008/120658 |
A process for producing a composite semipermeable membrane which is excellent in water permeability and salt rejection and is extremely reduced in the content of unreacted ingredients therein. Also provided is a composite semipermeable m...
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WO/2008/120641 |
A process for producing a dry composite semipermeable membrane which has high resistance to liquid alkaline detergents and changes little in permeation flow velocity and salt rejection through film cleaning. Also provided is a dry compos...
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WO/2008/117740 |
A vinylidene fluoride resin hollow-fiber porous membrane made of vinylidene fluoride resin hollow fibers, characterized in that the F(L=200mm, v=70%)(m/day)/Pm4 ratio is 70,000 or above wherein F(L=200mm, v=70%)(m/day) is a flux rate of ...
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WO/2008/118584 |
Processes for dehydrating an organic/water solution by pervaporation or vapor separation using fluorinated membranes. The processes are particularly useful for treating mixtures containing light organic components, such as ethanol, isopr...
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WO/2008/118560 |
A gas separation membrane system and a method of preparing such gas separation membrane system by providing a porous support upon which is supported a membrane layer comprising a first gas-selective material and having a membrane thickne...
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WO/2008/118228 |
Articles comprising a fibrous support of nanofibers and an interfacially polymerized polymer layer disposed on a surface of the fibrous support are useful, e.g., as fluid separation membranes.
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WO/2008/118584 |
Processes for dehydrating an organic/water solution by pervaporation or vapor separation using fluorinated membranes. The processes are particularly useful for treating mixtures containing light organic components, such as ethanol, isopr...
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WO/2008/114046 |
A method is provided for separating water from an organic solvent which comprises: passing the solvent through at least one conduit within a porous ceramic witha zeolite membrane formed on the internal surface oftheconduit; recovering so...
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WO/2008/111673 |
A method of transporting a fluid, in which even when the transportation period is prolonged, the dehydration after transportation is not needed, thereby allowing use immediately after the transportation. In particular, the method of tran...
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WO/2008/111516 |
Disclosed is a Nb-Ti-Ni-based hydrogen-permeable alloy which has a composition represented by the formula: Nb100-x-yTixNiy [wherein 10≤x≤60 and 10≤y≤50, expressed by at.%], has an oxygen content of 1000 ppm or less when casted, c...
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WO/2008/110844 |
A method is provided for forming zeolite membranes in internal surfaces of a plurality of conduits in a cylindrical porous ceramic monolith, the conduits extending from one end of the monolith to the other, said method including a step o...
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WO/2008/111641 |
Disclosed is a porous body as a molded body wherein extremely fine gas bubbles are dispersed. Also disclosed is a filter using such a porous body. Specifically disclosed is a porous body composed of a polytetrafluoroethylene resin and a ...
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WO/2008/111510 |
[PROBLEMS] To provide: a membrane integrity test method using a colloidal solution containing a metal particle or a metal compound particle, which can test on the integrity of a virus removal membrane comprising a hydrophilized synthetic...
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WO/2008/106028 |
An inorganic membrane having an improved pore structure. The membrane has a mean pore size of up to about 100 run and a mean particle size in a range from about 10 run to about 100 nm. In one embodiment, the membrane comprises α-alumina...
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WO/2008/103066 |
The invention relates to a method for producing polybenzimidazoles based on 4,4'- diphenylphthalide-dicarboxylic acid and aromatic tetraamines by heating, consisting in carrying out reaction in the Eton reagent medium by increasing a tem...
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WO/2008/102643 |
[PROBLEMS] To enable to use a membrane made of a polyolefin material without causing liquid leak. [MEANS FOR SOLVING PROBLEMS] Disclosed is a gas separation method comprising the steps of: absorbing a specific gas component contained in ...
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WO/2008/102509 |
Disclosed are: a method for separating/purifying hydrogen from a hydrogen-containing gas which contains 1% or more of at least one component selected from water, carbon monooxide, carbon dioxide, methane and nitrogen besides hydrogen wit...
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WO/2008/098553 |
The invention relates to a membrane filter (1) comprising a moulded body (2) for separating substance mixtures, especially gas mixtures (5) of different molar masses, and to a method for producing such a membrane filter (1). By providing...
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WO/2008/097011 |
A tubular braid and a composite hollow fiber membrane using the same are disclosed. The tubular braid is made by braiding yarns, the yarn made by combining thin filament and thick filament, wherein the thin filament is comprised of a plu...
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WO/2008/097786 |
A modified polyamide membrane and method for making and using the same. The present invention includes many embodiments including methods comprising contacting a polyamide membrane with certain modifiers, including but not limited to cer...
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WO/2008/095509 |
The present invention relates to a reinforced ion- exchange membrane comprised of a porous support matrix and, laminated thereon, an polymeric film. Specifically, the present invention relates to a reinforced ion-exchange membrane compri...
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WO/2008/095709 |
The invention relates to a process for making porous cross-linked charged cellulosic polymeric membranes capable of binding to a target molecule. The invention provides methods for separating target molecules from other components in a s...
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WO/2008/097786 |
A modified polyamide membrane and method for making and using the same. The present invention includes many embodiments including methods comprising contacting a polyamide membrane with certain modifiers, including but not limited to cer...
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WO/2008/094999 |
Methods are disclosed for modifying at least a portion of a porous polymeric surface. Such methods include contacting the porous polymeric surface with at least one polyelectrolyte, resulting in the physical adsorption of at least one po...
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WO/2008/093654 |
A module size even in a highly packed module can be reduced through a simple step while keeping a crimped state in which a dialysis liquid or buffer solution flows well. A hollow-fiber membrane is provided which has, imparted thereto, a ...
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WO/2008/091658 |
The present invention describes a method of modifying pores of a porous membrane, comprising contacting the membrane with a pore modifying agent, wherein the pore modifying agent modifies the pore opening at the first surface of the memb...
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WO/2008/084233 |
A nonwoven felt formed from fluoropolymer film, which is split and fibrillated to form a network structure, and then entangled.
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WO/2008/084778 |
A process for producing a microporous polymeric object. Compared to conventional processes, the process can improve the degree of freedom concerning various properties of the microporous object to be obtained. A block copolymer which is ...
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WO/2008/083943 |
Disclosed is a gas exchange membrane that is used in an artificial lung. Said membrane is made of expanded, closed-cell material (9, 10), particularly silicone rubber. In order to produce said membrane, a starting material containing a b...
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WO/2008/082897 |
A microporous carbon material includes a porous carbon skeleton (115) having an average pore size from 0.1 to 10 nanometers and being substantially free of pores (110) greater than 1 micrometer. Methods of forming the microporous carbon ...
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WO/2008/081798 |
Disclosed is a selectively permeable material which is obtained by dispersing a solid additive into a polymer having an organosiloxane structure. When oxygen and nitrogen are caused to permeate a membrane which is made of the selectively...
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WO/2008/081855 |
Provided is a hydrogen permeable film which is made of a ceramic material composed of a nitride or an oxide of a metal element belonging to the group of IVa or Va or VIa, and hydrogen permeable metal particles of at least one kind select...
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WO/2008/078442 |
A method for producing a separation membrane, comprising the steps of passing a solution of a precursor of the separation membrane through a through-pore formed in a porous monolithic material to form a film made of the solution on the s...
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WO/2008/079465 |
A method of forming a nanotube grid includes placing a plurality of catalyst nanoparticles on a grid framework, contacting the catalyst nanoparticles with a gas mixture that includes hydrogen and a carbon source in a reaction chamber, fo...
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WO/2008/077837 |
The present invention relates to compositions for producing membranes, the compositions comprising at least 0.1% by weight of highly branched polymer, at least 0.5% by weight of linear polymer and at least 30% by weight of solvent(s). Th...
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WO/2008/077200 |
The invention relates to the oil industry and can be used for simultaneously producing electric power and oil using by-products of a multipurpose power plant. The aim of said invention is to increase the oil recovery by the actively stim...
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WO/2008/079465 |
A method of forming a nanotube grid includes placing a plurality of catalyst nanoparticles on a grid framework, contacting the catalyst nanoparticles with a gas mixture that includes hydrogen and a carbon source in a reaction chamber, fo...
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WO/2008/074460 |
Hollow ceramic hollow fibres or hollow fibre composites having a nonlinear shape produced by the rotation of a suitable mounting of the hollow fibres during sintering are described. The invention also relates to a membrane reactor using ...
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WO/2008/076599 |
This invention relates to a method of making flat sheet asymmetric membranes, including cellulose diacetate /cellulose triacetate blended membranes, polyimide membranes, and polyimide/polyethersulfone blended membranes by formulating the...
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WO/2008/076637 |
The invention relates to polyelectrolytes having backbone aromatic groups, and in particular to aromatic backbone group polyelectrolytes having high levels of sulfonation as well as cross-linking functionality. Preferably the polyelectro...
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WO/2008/073532 |
Membranes for use in methods and apparatuses for hemodialysis and hemofiltration are composed of at least one membrane comprising a polyarylethernitrile having structural units of formula. (1),( 2) (, 3 ) and ( 4), wherein Z is a direct ...
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