Seo, Busan
Chung-Oan Seo, Busan KR
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20100165235 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes: a bottom frame having a bent portion at an edge thereof; a light guide plate over the bottom frame, the light guide plate spaced apart from the bent portion by a gap; a light emitting diode (LED) assembly facing a side of the light guide plate, the LED assembly fixed to the bent portion; a main frame having a rectangular band shape over the bottom frame, the main frame having a rib corresponding to the gap; a liquid crystal panel over the light guide plate; and a top frame surrounding a front boundary portion of the liquid crystal panel, the top frame combined with the bottom frame and the main frame. | 07-01-2010 |
20110007236 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a liquid crystal panel; a light guide plate disposed under the liquid crystal panel; a light emitting diode (LED) assembly disposed at a side of the light guide plate and including an LED and a printed circuit board (PCB), the LED arranged on the PCB to face the light guide plate; an LED heat sink surrounding the LED assembly and including a first portion, where the PCB is attached, and a second portion covering a bottom surface of the PCB; a bottom frame disposed under the light guide plate and including a bottom portion and a side portion, the bottom portion contacting the second portion of the LED heat sink, the bottom frame formed of an electrolytic galvanized iron (EGI); a top frame surrounding edges of the liquid crystal panel; and a main frame surrounding sides of the liquid crystal panel and combining with the top and bottom frames. | 01-13-2011 |
Daeha Seo, Busan KR
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20110042210 | METHOD FOR PREPARING METAL NANOPARTICLES USING METAL SEED AND METAL NANOPARTICLES COMPRISING METAL SEED - The invention relates to a method of manufacturing metal nanoparticles by using metal seed and metal nanoparticles including such metal seed. It is to provide the Au nanoparticles prepared by a method comprising: preparing a solution by adding a monosurfactant into a non-aqueous solvent; heating the solution; preparing a platinum seed solution by adding platinum salt chosen form platinum, palladium, iridium into the heated solution; and adding gold salt in the platinum seed solution. | 02-24-2011 |
Dong-Hwa Seo, Busan KR
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20120321545 | METHOD FOR PRODUCING GRAPHENES THROUGH THE PRODUCTION OF A GRAPHITE INTERCALATION COMPOUND USING SALTS - The present invention relates a method for producing a graphite intercalation compound (GIC) and to the production of graphene using the same. The method of the present invention comprises the following steps: (a) obtaining alkaline metals or alkaline metal ions, or alkaline earth metals or alkaline metal ions, from alkaline metal salts or alkaline earth metal salts; (b) forming a graphite intercalation compound using the alkaline metals or alkaline metal ions, or the alkaline earth metals or alkaline earth metal ions; and (c) dispersing the graphite intercalation compound so as to obtain graphene. As the method of the present invention uses salts which are inexpensive and safe, graphite intercalation compounds can be easily produced at a low cost, and the graphene can be obtained from the thus-produced compounds, thereby reducing the costs of producing the graphene and enabling the easy mass production of the graphene. | 12-20-2012 |
20140000100 | POSITIVE ELECTRODE ACTIVE MATERIAL HAVING IMPROVED SAFETY AND LIFETIME CHARACTERISTICS AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME | 01-02-2014 |
20150314271 | HYDROGEN DISSOCIATION CATALYST COMPRISING IR-AU ALLOY - A hydrogen dissociation catalyst of the present invention includes an alloy in which two metals are intermingled with each other, the alloy being an Ir—Au alloy which is a functional alloy, and the hydrogen dissociation catalyst has an activity for a hydrogen oxidation reaction and may replace a platinum catalyst. Economic efficiency may be enhanced by using the hydrogen dissociation catalyst instead of the platinum catalyst. | 11-05-2015 |
Geum Seok Seo, Busan KR
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20110052485 | METHOD OF MANUFACTURING FLAKE ALUMINUM OXIDE USING MICROWAVE - The present disclosure suggests a method of manufacturing flake aluminum oxide using a microwave including: performing a pre-treatment on a starting material by grinding the starting material such as alumina hydrate, aluminum salt or the like and classifying particles with an appropriate size; manufacturing transition alumina by performing a heat treatment by means of heating the pre-treated starting material; mixing the transition alumina with molten salt and an additive and then dispersing and grinding the mixed compounds; melting and synthesizing flake aluminum oxide by heating the dispersed and grinded mixture with a microwave as a heating source; separating the molten salt and the additive from the synthesized aluminum oxide; and performing a post-treatment on the flake aluminum oxide by removing a foreign substance such as an additive residue stuck to a surface of a crystal particle of the separated flake aluminum oxide. | 03-03-2011 |
Geun Ho Seo, Busan KR
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20100119935 | CYLINDRICAL SECONDARY BATTERY OF IMPROVED SAFETY - Disclosed herein is a cylindrical secondary battery constructed in a structure in which a crimping region, at which a cap assembly is mounted to the open upper end of a cylindrical container having an electrode assembly mounted therein, is formed at the upper end of the container, wherein the crimping region is constructed in a structure in which the upper end of the crimping region is gently bent at a predetermined radius of curvature (R), such that the crimping region surrounds a gasket located at the inside of the crimping region, the bent front end extends inward, such that the bent end presses the gasket, and an inclination of a predetermined angle is formed at the sidewall of the crimping region, such that the upper part of the crimping region is directed inward. According to the secondary battery of the present invention, the sealability of the gasket is improved, and external impacts are partially absorbed by the inclination formed at the crimping region. Consequently, the deformation of the crimping region is minimized, whereby the leakage of the electrolyte is prevented, and the safety of the battery is greatly improved. | 05-13-2010 |
Gyu Hyun Seo, Busan KR
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20110027145 | GASKET, REACTOR USING THE SAME FOR SPIRAL SEALING AND MANUFACTURING METHOD THEREOF - Provided are a gasket, a reactor using the same for sealing a spiral, and a manufacturing method thereof. The present invention improves a spiral sealing mechanism of a reactor wherein, spirals are continuously installed in the longitudinal direction between an inner pipe and an outer pipe coaxially arranged to form a flow path for a heat medium, so the seal between the spiral and the outer pipe is stably maintained and fabrication of the reactor is facilitated. The gasket ( | 02-03-2011 |
Hong-Suk Seo, Busan KR
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20150364695 | CONDENSED CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - An organic light-emitting device includes a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode and including at least one condensed cyclic compound represented by Formula 1: | 12-17-2015 |
Hwang Un Seo, Busan KR
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20100119723 | APPARATUS AND METHOD FOR COATING POLYIMIDE LAYER - An apparatus for coating a polyimide layer includes a print table for receiving a substrate thereon, an inkjet head positioned over the print table and having a jetting surface with a plurality of nozzles for jetting polyimide liquid onto the substrate, and a polyimide liquid supply tank for supplying polyimide liquid, and a wiper movable from one side of the jetting surface to an other side of the jetting surface while the wiper contacts the jetting surface of the inkjet head. | 05-13-2010 |
20100156968 | INK-JET PRINT APPARATUS AND METHOD - An ink-jet print apparatus adapted to prevent stain defects is disclosed. | 06-24-2010 |
Hyeong-Chan Seo, Busan KR
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20100134432 | METHOD AND APPARATUS TO PROVIDE USER INTERFACE - A method of operating a touch screen providing an enhanced user interface includes displaying a plurality of icons on a touch screen, determining whether or not confusion occurs, and enlarging an area in which confusion occurs. Accordingly, a user can select a desired icon with greater ease and greater precision. | 06-03-2010 |
Jae Hyung Seo, Busan KR
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20150266412 | PLANAR LIGHTING MIRROR AND AUTOMOBILE SIDE MIRROR SYSTEM - A planar lighting mirror in which nano-patterns are formed on an entirety or at a specific local area of a mirror surface of a mirror glass and a light source is disposed around the nano-patterns to be used like a mirror in normal operation. In particular, when the light source is activated, the entirety or the specific local area of the mirror surface with the nano-patterns formed thereon planarly emits light from the light source which flows into the side of the mirror glass so as not to deteriorate a mirrors reflective functions. | 09-24-2015 |
Jang-Won Seo, Busan KR
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20130212951 | POLISHING PAD AND METHOD OF MANUFACTURING THE SAME - Polishing pad and method of manufacturing the same, the method including: (a) mixing materials for forming a polishing layer; (b) mixing at least two from among inert gas, a capsule type foaming agent, a chemical foaming agent, and liquid microelements that are capable of controlling sizes of pores, with the mixture in (a) so as to form two or more types of pores; (c) performing gelling and hardening of the mixture generated in (b) so as to form a polishing layer including the two or more types of pores; and (d) processing the polishing layer so as to distribute micropores defined by opening the two or more types of pores on a surface of the polishing layer. | 08-22-2013 |
20140364044 | POLISHING PAD AND METHOD OF MANUFACTURING THE SAME - Polishing pad and method of manufacturing the same, the method including: (a) mixing materials for forming a polishing layer; (b) mixing at least two from among inert gas, a capsule type foaming agent, a chemical foaming agent, and liquid microelements that are capable of controlling sizes of pores, with the mixture in (a) so as to form two or more types of pores; (c) performing gelling and hardening of the mixture generated in (b) so as to form a polishing layer including the two or more types of pores; and (d) processing the polishing layer so as to distribute micropores defined by opening the two or more types of pores on a surface of the polishing layer. | 12-11-2014 |
20150133039 | POLISHING PAD AND METHOD FOR MANUFACTURING SAME - Polishing pad and method of manufacturing the same, the method, whereby materials for forming a polishing layer are mixed and solidified by a chemical reaction so as to manufacture the polishing pad, the method including: grinding organic materials by using a physical method so as to form micro-organic particles; mixing the micro-organic particles formed in the operation with the materials for forming the polishing layer; mixing at least one selected from the group consisting of inert gas, a capsule type foaming agent, and a chemical foaming agent that are capable of controlling sizes of pores, with the mixture in the operation so as to form gaseous pores; performing gelling and hardening of the mixture generated in the operation so as to form a polishing layer; and processing the polishing layer so as to distribute open pores defined by opening gaseous pores on a surface of the polishing layer. | 05-14-2015 |
Jeong Hyun Seo, Busan KR
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20150040982 | EVA SHEET FOR SOLAR CELL SEALING MATERIAL AND METHOD FOR MANUFACTURING THE SAME - The present invention provides an EVA sheet for a solar cell sealing material comprising a thermal adhesion layer formed on an upper surface of a backsheet, wherein the thermal adhesion layer contains thermal adhesive resin powder including ethylene-based resin. The present invention further provides a method for manufacturing an EVA sheet for a solar cell sealing material, comprising: a step of laminating polyethyleneterephthalate to form a backsheet; a step of preparing thermal adhesive resin powder including ethylene-based resin; a step of scattering the thermal adhesive resin powder on the backsheet; and a step of hardening the scattered thermal adhesive resin powder to form a thermal adhesion layer. | 02-12-2015 |
Jong Cher Seo, Busan KR
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20150107030 | Buffing Expanded Foam Items - Foam items may be buffed using particles such as particulate sodium bicarbonate in accordance with the present invention. Foam items may be, for example, expanded EVA foam items pre-formed into an intermediate size and shape. A skin layer may be formed during the expansion of the foam item to form an expanded foam item which may be entirely or partially removed by buffing the item using particles projected with selected buffing parameters. The buffing parameters may be varied based upon the thickness of at least a portion of the skin layer and/or the desired degree of moldability for the foam item after buffing. Particulate sodium bicarbonate or other types of particles used for buffing may be recycled and reused for further buffing of foam items. | 04-23-2015 |
20150107032 | Buffing Expanded Foam Items - Foam items may be buffed using particles such as particulate sodium bicarbonate in accordance with the present invention. Foam items may be, for example, expanded EVA foam items pre-formed into an intermediate size and shape. A skin layer may be formed during the expansion of the foam item to form an expanded foam item which may be entirely or partially removed by buffing the item using particles projected with selected buffing parameters. The buffing parameters may be varied based upon the thickness of at least a portion of the skin layer and/or the desired degree of moldability for the foam item after buffing. Particulate sodium bicarbonate or other types of particles used for buffing may be recycled and reused for further buffing of foam items. | 04-23-2015 |
Joo Hong Seo, Busan KR
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20090207356 | Method of aligning alignment layer and liquid crystal display device having alignment layer aligned by the same - A liquid crystal display device includes: a first substrate having a black matrix, a color filter layer and a common electrode; a second substrate having gate lines, data lines and thin film transistors connected to pixel electrodes; a first alignment layer on the first substrate; a second alignment layer on the second substrate; and a liquid crystal layer having a plurality of liquid crystal molecules and positioned between the first and second alignment layers, wherein each of the first and second alignment layers has a first area with ion-altered side chains and a second area with non-altered side chains. | 08-20-2009 |
Man Seung Seo, Busan KR
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20080313593 | Occupancy Based on Pattern Generation Method For Maskless Lithography - An occupancy based pattern generation method for a maskless lithography system using micromirrors is disclosed. The present invention includes the steps of recognizing a pattern upon the substrate through the extraction of the pattern boundary and the construction of the pattern region and recognizing the pattern upon the micromirror through the confirmation of the micromirror dependent lithographic pattern region, the extraction of the micromirror dependent pattern based on the occupancy, and the construction of the stream of binary patterns containing binary reflection information for the micromirrors in accordance with the substrate scrolling. | 12-18-2008 |
Min-Ho Seo, Busan KR
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20090202885 | Process to prepare the self-stand electrode using porous supporter of electrode catalyst for fuel cell, a membrane electrode assembly comprising the same - The present invention relates to a porous electrode used in a polymer electrolyte membrane fuel cell, and more particularly to a method of preparing a membrane-electrode assembly by forming a self-stand electrode layer by coating catalyst ink on a non-conductive substrate having a macropore and then joining it to a polymer electrolyte membrane. The porous self-stand electrode according to the present invention allows moisture and gas to be smoothly discharged and inflowed in a high current density operation region to improve the performance of a fuel cell, and can be freely cutted to simplify the preparation process of the membrane-electrode assembly. | 08-13-2009 |
20100330463 | PROCESS FOR PREPARING OF A CATALYST SOLUTION FOR FUEL CELL AND A MEMBRANE ELECTRODE ASSEMBLY USING THE SAME - The present invention discloses a process for preparing catalyst solution for a membrane-electrode assembly in a fuel cell, which comprises the steps of a) mixing a catalyst solution (Solution A) wherein catalyst particles are dispersed in water and an ion conductive resin solution (Solution B) wherein an ion conductive resin is dissolved in water, low boiling point organic solvent or a mixture thereof, to form a dispersion; b) mixing the dispersion obtained from step a) with functional additive dissolved in high boiling point solvent or a mixture of low boiling point solvent arid water (Solution C) to prepare catalyst ink dispersion; and c) aging the catalyst ink dispersion obtained from step b). | 12-30-2010 |
Min Jeong Seo, Busan KR
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20120027729 | METHODS FOR TREATING DIABETES - Transplantation of multipotent stromal cells (MSCs) into diabetic mice lowers blood sugar, increases blood insulin levels, increases the number and size of islets, and improves renal pathology. Accordingly, the invention provides methods for treating or preventing diabetes by administering isolated MSCs. The invention also provides methods for treating or preventing complications which arise from diabetes, including diabetic nephropathy, by transplanting isolated MSCs. | 02-02-2012 |
Mi Rye Seo, Busan KR
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20080251776 | Guardrail With a Buffer Bracket For a Road - A road guardrail having an impact buffering bracket between a waveform shape plate and a guardrail plate is disposed, in which an impact buffering bracket formed of a metallic plate is divided into a front bracket and a rear bracket, and the front and rear brackets are elastically engaged in forward and backward directions. When a vehicle collides with a guardrail plate, the engaged front and rear brackets are flexibly contracted for thereby releasing impact force, and in another embodiment of the present invention, an impact buffering bracket is formed in a rectangular tube shape, and a weak portion having a plurality of holes at both sides is formed. When a vehicle collides with a guardrail, the weak portion formed at the lateral sides is flexibly contracted for thereby releasing n impact force. | 10-16-2008 |
Pil-Soo Seo, Busan KR
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20120270287 | NOVEL METHOD OF PRODUCING 3-HYDROXYPROPIONIC ACID FROM GLYCEROL - The present invention relates to a novel method of producing 3-hydroxypropionic acid from glycerol, and more particularly to a method of producing 3-hydroxypropionic acid by culturing in a glycerol-containing medium a mutant microorganism obtained by amplifying an aldehyde dehydrogenase-encoding gene in a microorganism having the abilities to produce coenzyme B12 and produce 3-hydroxypropionic acid using glycerol as a carbon source. The present invention enables the fermentation of glycerol even under microaerobic or aerobic conditions without having to add coenzyme B12. Thus, the invention will be very suitable for the development of biological processes for producing large amounts of 3-hydroxypropionic acid. | 10-25-2012 |
Sang-Bong Seo, Busan KR
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20160081173 | X-RAY GENERATION DEVICE AND X-RAY GENERATING UNIT AND HIGH VOLTAGE GENERATING UNIT CONSTITUTING SAME - A detachable X-ray generating device proposed in the present invention comprises: an X-ray generating unit including an X-ray generating tube for irradiating an X-ray and a first connecting portion connected to the X-ray generating tube through an electric wire; and a high voltage generating unit for receiving an external supply voltage to generate a predetermined high voltage and including a second connection portion through which the generated high voltage is output, wherein the high voltage is supplied to the X-ray generating tube by mutually coupling the first connecting portion and the second connecting portion. An apparatus for removing static electricity according to the present invention has effects of replacement costs reduction, ease of selection of an installation location, thermal insulation, etc. since the apparatus can be mutually separated. | 03-17-2016 |
Seok Bin Seo, Busan KR
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20150023461 | DECAY HEAT REMOVAL SYSTEM WITH HYBRID HEAT PIPE HAVING COOLANT AND NEUTRON ABSORBER FOR COOLING NUCLEAR POWER PLANT - Disclosed is a decay heat removal system for cooling the decay heat of a reactor core and the spent fuel. The decay heat removal system including: a first heat pipe which is placed in an upper plenum of the reactor vessel and arranged in upward and downward directions corresponding to a position of an insertion hole formed on a top of the nuclear fuel assemblies; a control rod drive mechanism which is connected to an upper portion of the first heat pipe and drives the first heat pipe to move up and down so that the first heat pipe can be selectively inserted in a control rod insertion hole of the reactor core arranged in the nuclear reactor vessel; and a second heat pipe which is coupled to and in close contact with a bottom surface of the reactor vessel and removes the decay heat generated in the reactor core. | 01-22-2015 |
Su Kil Seo, Busan KR
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20150252030 | N-ACYLHYDRAZONE DERIVATIVES FOR SELECTIVE T CELL INHIBITOR AND ANTI-LYMPHOID MALIGNANCY DRUG - The present invention relates to novel N-acylhydrazone derivatives, and more particularly to novel N-acylhydrazone derivatives having selective T cell inhibitory activity and/or anti-lymphoid malignancy activity, stereoisomers thereof, pharmaceutically acceptable salts thereof, the use thereof for preparing pharmaceutical compositions, pharmaceutical compositions containing the same, treatment methods using the compositions, and methods for preparing the novel N-acylhydrazone derivatives. | 09-10-2015 |
You-Kyong Seo, Busan KR
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20110118490 | Porous Organic-Inorganic Hybrid Materials with Crystallinity and Method for Preparing Thereof - Porous organic-inorganic hybrid materials with crystallinity and a method for preparing the same are provided. The method comprises preparing a reaction solution containing a mixture of at least one inorganic metal precursor, at least one organic compound which may act as a ligand, and a solvent (step 1); and forming porous organic-inorganic hybrid materials with crystallinity by reacting the reaction solution (step 2), wherein the reaction is carried out under the pressure of about 3 atm or less. | 05-19-2011 |
20120289399 | POROUS ORGANIC-INORGANIC HYBRID MATERIALS WITH CRYSTALLINITY AND METHOD FOR PREPARING THEREOF - Porous organic-inorganic hybrid materials with crystallinity and a method for preparing the same are provided. The method comprises preparing a reaction solution containing a mixture of at least one inorganic metal precursor, at least one organic compound which may act as a ligand, and a solvent (step 1); and forming porous organic-inorganic hybrid materials with crystallinity by reacting the reaction solution (step 2), wherein the reaction is carried out under the pressure of about 3 atm or less. | 11-15-2012 |
20140200361 | METHOD FOR PREPARING POROUS ORGANIC-INORGANIC HYBRID MATERIALS - The present invention relates to a method for preparing a porous organic-inorganic hybrid, which comprises gelling a reaction mixture containing a metal precursor, a water-soluble additive and water or water-containing organic solvent at a gelling temperature of 30° C.˜100° C. to obtain an organogel-containing solution having a viscosity of 2 to 50,000 (cps), subsequently ageing the solution at said gelling temperature under stirring; and subsequently heating the organogel-containing solution at a temperature between said gelling temperature and 250° C. to crystallize the solution. | 07-17-2014 |
20140287235 | COMPLEX COMPRISING CRYSTALLINE HYBRID NANOPOROUS MATERIAL POWDER - The present invention relates to a complex and a method for manufacturing same, the complex comprising: at least one crystalline hybrid nanoporous material powder, in which a metal ion, or a metal ion cluster to which oxygen is bound, and an organic ligand, or the organic ligand and a negative ion ligand are in a coordinate covalent bond; and at least one organic polymer additive, or at least one organic polymer additive and an inorganic additive, wherein the shape of the complex is spherical or pseudo-spherical, the size of the complex is 0.1 to 100 mm, a total volume of pores is 5 or more volume % based on the sum of a total volume of nanoporous material having a size of at most 10 nm and a total volume of pores having a size of at least 0.1 μm, and wherein a non-surface value per weight (m | 09-25-2014 |
You Kyoung Seo, Busan KR
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20100043636 | POROUS NANOHYBRID MATERIALS FORMED BY COVALENT HYBRIDIZATION BETWEEN METAL-ORGANIC FRAMEWORKS AND GIGANTIC MESOPOROUS MATERIALS - Disclosed herein is a nanoporous hybrids formed by covalent bonding between a crystalline organic-inorganic hybrid and a gigantic mesoporous metal oxide, containing organic groups on the surface thereof, having a size of 10 nm or more. Since the covalently-bonded hybrid nanoporous composite has a large surface area, a multiple microporous structure, a large pore volume and includes an organic-inorganic hybrid having backbone flexibility, the covalently-bonded hybrid nanoporous composite can be used as materials for storing liquids and gases, such as hydrogen, methane and the like, and can be used as adsorbents, separating materials, catalysts, and the like. Further, the covalently-bonded hybrid nanoporous hybrids can be used in the application fields of biomolecule supporting, drug delivery, harmful material removal, nanoparticle supporter, sensors, catalysis, adsorbents, fluorescent materials, solar cells, and the like. | 02-25-2010 |
You-Kyung Seo, Busan KR
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20090263621 | POROUS ORGANIC-INORGANIC HYBRID MATERIALS AND ADSORBENT COMPRISING THE SAME - The present invention relates to an adsorbent using the porous organic-inorganic hybrid material(s) containing iron having a large surface area and a high pore volume, in particular, a water adsorbent. Also, it relates to an adsorbent that can be used in humidifiers, dehumidifiers, coolers/heaters, a refrigerating machine or an air conditioner, etc., which can easily absorb or desorb at 100° C. and below, and has a great adsorption amount per weight of the adsorbent. | 10-22-2009 |
20100273642 | PREPARATION OF SURFACE FUNCTIONALIZED POROUS ORGANIC-INORGANIC HYBRID MATERIALS OR MESOPOROUS MATERIALS WITH COORDINATIVELY UNSATURATED METAL SITES AND CATALYTIC APPLICATIONS THEREOF - Disclosed herein is a method of surface-functionalizing a porous organic-inorganic hybrid material or a organic-inorganic mesoporous material, in which organic substances, inorganic substances, ionic liquids and organic-inorganic hybrid substances are selectively functionalized on the coordinatively unsaturated metal sites of a porous organic-inorganic hybrid material or organic-inorganic mesoporous material, and thus the porous organic-inorganic hybrid material can be used for adsorbents, gas storage devices, sensors, membranes, functional thin films, catalysts, catalytic supports, and the like, and the applications of the surface-functionalized porous organic-inorganic hybrid material prepared using the method to catalytic reactions. | 10-28-2010 |
20120165183 | METHOD FOR PREPARING POROUS ORGANIC-INORGANIC HYBRID MATERIALS, POROUS ORGANIC-INORGANIC HYBRID MATERIALS OBTAINED BY THE METHOD AND CATALYTIC USES OF THE MATERIALS - The present invention relates to a method for preparing iron-containing porous organic-inorganic hybrid materials where the organic compound ligand is bonded to a central metal and has a large surface area and pores of molecular size or nano size, by irradiating microwaves instead of heat treatments such as the conventional electric heating, etc. as the heat source of the hydrothermal or solvothermal synthesis reaction, after reacting a metal or metal salt and organic compound to form crystal nuclei by a predetermined pre-treatment operation in the presence of a solvent. In another aspect, a method of the present invention further comprises the step of purifying the obtained porous organic-inorganic hybrid materials by treating them with inorganic salt. In particular, a method of the present invention is characterized by not using a hydrofluoric acid. | 06-28-2012 |
Young Kyo Seo, Busan KR
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20150153311 | SYSTEM FOR MEASURING PROPAGATION VELOCITY OF SOUND WAVE AND METHOD OF MEASURING PROPAGATION VELOCITY OF SOUND WAVE - The present invention provides an apparatus for measuring the propagation velocity of a sound wave that may easily and accurately measure the propagation velocity of a sound wave in the horizontal and vertical directions of the sample by using the fixing unit preventing the measurement unit from vibrating and the distance measurement unit capable of accurately measuring the distance between the sound wave transmission and reception units, and a method of measuring the propagation velocity of a sound wave by using the apparatus. | 06-04-2015 |
Young Su Seo, Busan KR
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20100287664 | Genes for enhancing resistance to magnaporthe oryzae and uses thereof - The present invention relates to Pi5-1 and Pi5-2 proteins which enhance resistance to | 11-11-2010 |