Yeon-Seok
Yeon Seok Cho, Suwan-Si KR
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20110305621 | Method Of Continuously Producing Tetrafluorosilane By Using Various Fluorinated Materials, Amorphous Silica And Sulfuric Acid - The present invention relates to a method of continuously producing tetrafluorosilane (SiF | 12-15-2011 |
Yeon Seok Cho, Gyeonggi-Do KR
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20150368113 | METHOD FOR CONTINUOUSLY PREPARING SILICON NANOPARTICLES, AND ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY COMPRISING SAME - This invention relates to a method of manufacturing silicon nanoparticles, wherein the deterioration of an electrode due to the volume change of silicon can be minimized and electrical contact can be improved, thus ensuring high capacity and cycle characteristics of a battery, and to an anode active material using silicon nanoparticles manufactured thereby. The method of continuously manufacturing silicon nanoparticles includes feeding a silane gas and a carrier gas into a reactor, decomposing the silane gas in the reactor, and recovering the silicon nanoparticles. | 12-24-2015 |
Yeon Seok Choi, Gyeonggi-Do KR
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20150247361 | PROTECTION DEVICE FOR BLIND STRING - Disclosed is a protection device for a blind string. The protection device includes a bellows tube provided in a tubular structure, allowing the blind string to pass through an inner part thereof, and having a length increased or reduced in a longitudinal direction of the blind string, a first module coupled with a lower end portion of the bellows tube and having an inner part to which an end portion of the blind string is locked, and a second module decoupled from the first module at an upper portion of the first module while the bellows tube is interposed between the first module and the second module, such that the bellows tube is folded. The bellows tube has a difference in the thickness of the skin thereof such that the bellows tube is automatically spread due to elasticity thereof when the second module is moved up from the first module. | 09-03-2015 |
Yeon Seok Jeong, Seoul KR
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20110140671 | PORTABLE DEVICE AND BATTERY CHARGING METHOD THEREOF - Provided is a portable device. The portable device includes a near distance antenna, a long distance antenna, a first power generation circuit, a second power generation circuit, and a battery. The near distance antenna receives a first power source signal in an electromagnetic inductive coupling scheme. The long distance antenna receives a second power source signal in a magnetic resonance scheme. The first power generation circuit generates a power source from the first power source signal. The second power generation circuit generates a power source from the second power source signal. The battery is charged with the generated power source. | 06-16-2011 |
Yeon Seok Jeong, Chuncheon-Si KR
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20150315219 | NOVEL CYCLIC PHOSPHINATE DERIVATIVES AND METHOD OF PREPARING THE SAME - Provided are novel cyclic phosphinate derivatives and a method of preparing the same, and more particularly, cyclic phosphinate derivatives including benzoxaphosphole oxide derivatives and benzoxaphosphorin oxide derivatives, and a method of preparing the same. The cyclic phosphinate derivative according to the present invention may have pharmacological and physiological activities, be used as the basic skeleton of the natural material, and be used in development of a new drug, and synthesis of various medicines. In addition, with the method of preparing a cyclic phosphinate derivative according to the present invention, various cyclic phosphinate derivatives may be prepared with high yield through a simple synthetic process by performing an intramolecular carbon-oxygen coupling reaction on the phosphinic acid derivative in the presence of a palladium (Pd) catalyst, an oxidant, and a base. | 11-05-2015 |
Yeon Seok Kim, Goyang-Si KR
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20150141270 | SINGLE-STRANDED NUCLEIC ACID APTAMERS SPECIFICALLY BINDING TO KLEBSIELLA PNEUMONIAE AND METHOD FOR DETECTING K. PNEUMONIA USING THE SAME - Provided is a single-stranded nucleic acid aptamer specifically binding to | 05-21-2015 |
Yeon Seok Kim, Seoul KR
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20140045192 | SINGLE-STRANDED NUCLEIC ACID APTAMERS SPECIFICALLY BINDING TO E. COLI AND METHOD FOR DETECTING E. COLI USING THE SAME - Provided are a single-stranded nucleic acid aptamer specifically binding to | 02-13-2014 |
20140342467 | APPARATUS AND METHOD FOR CONTINUOUSLY MONITORING SUBAQUEOUS TARGET HARMFUL SUBSTANCES - The present invention relates to an apparatus and method for continuously monitoring subaqueous target harmful substances. More particularly, it relates to an apparatus and method for continuously monitoring subaqueous target harmful substances by continuously measuring the concentration of the subaqueous target harmful substances. The present invention provides an apparatus and method for continuously monitoring subaqueous target harmful substances, which can continuously measure the concentration of subaqueous target harmful substances using a receptor that can selectively recognize the target harmful substances, a porous membrane fixed with the receptor, and a sensing unit that continuously measures the intensity of fluorescent signals of the target harmful substance reacting with the receptor, and can be utilized as various apparatuses and methods for continuously sensing various harmful substances necessary to continuously monitor for the management of the water quality. | 11-20-2014 |
Yeon Seok Lee, Hanam-Si KR
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20140124680 | CLEAN WATER DISPENSING DEVICE - A clean water dispensing device is disclosed. The device includes a pure water tank ( | 05-08-2014 |
Yeon Seok Ryu, Jeollabuk-Do KR
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20130210616 | LIQUID COMBUSTION CATALYST COMPOSITION COMPRISING AN IONIZED METAL COMPOUND - Provided is a liquid combustion catalyst composition comprising an ionized metal compound, and more particularly, to a liquid combustion catalyst composition comprising an ionized metal compound, in which the ionic metal compound is added to fuel burning in a combustion engine to quickly achieve a chemical thermal equilibrium condition required for the combustion of fuel such as hydrocarbon fuel, fossil fuel and biomass, and to optimize the amount of air which contains oxygen required for the equilibrium condition in terms of chemical equivalence, thereby improving thermal efficiency and the efficiency of the combustion engine so that fuel consumption for a heat source can be reduced, and optimizing the combustion performed by the combustion device by controlling the generation of sludge, clinker and fouling which may be generated due to an inorganic substance so that a combustion rate per unit area and the productivity of the combustion device can be improved. Provided is a liquid combustion catalyst composition comprising an ionized metal compound or a complex ionic combustion catalyst composition which comprises an ionized metal compound and which has a hydrate form dried at 100° C. or less, wherein the composition is characterized in that one or more metal compounds selected from Mg, Ca, Mn, and Zn are dissolved in nitric acid or ammonia water to form one or more metal ions selected from Mg, Ca, Mn, and Zn. | 08-15-2013 |
Yeon-Seok Cho, Seoul KR
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20130040617 | BIDIRECTIONAL INFORMATION SHARING SYSTEM AND METHOD USING WIRELESS DATA NETWORK - Disclosed are a bidirectional information sharing system and a method using a wireless data network that can improve convenience of use by setting notification information regarding specific days which is set to replace sharing information of an unspecified third party that places a call and output the sharing information to output the notification information regarding specified days on the screen when receiving a call of the unspecified third party and input the feelings or inquiries of a user using the mobile phone sharing information of the user to allow the called party to previously know the corresponding contents before a telephone conversation at the time of call connection, and change and set sharing information so as to officially inform only close acquaintances of a relationship status of lovers or the like rather than informing unspecified individuals, in particular, inform or introduce acquaintances of the called party of relationship status. | 02-14-2013 |
20130040665 | AUTOMATIC POSITION INFORMATION TRANSMISSION SYSTEM AND METHOD USING WIRELESS DATA NETWORK - Disclosed are an automatic position information transmission system and a method using a wireless data network capable of improving convenience of search by registering icons associated with keywords on search screens of corresponding mobile phones and registering icons representing a search position range on the search screens while improving convenience of use by automatically transmitting position information regarding the corresponding mobile phones during a call attempt to a pre-authorized specific mobile phone through a wireless Internet network and automatically transmitting the position information regarding the corresponding mobile phones for each predetermined period or at the time of a call connection failure. The automatic position information transmission system and the method using the wireless data network can automatically transmit the moving routes or positions of children to the mobile phones of a parent as being previously set without performing the separate operations on the mobile phones. | 02-14-2013 |
Yeon-Seok Choi, Daejeon KR
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20120066963 | DEVICE FOR PREPARING BIO-OIL, SYSTEM FOR PREPARING BIO-OIL AND METHOD FOR PREPARING BIO-OIL USING THE SAME - A device for preparing bio-oil, a system for preparing bio-oil and a method for preparing bio-oil using the same are provided. Biomass is supplied to an inclined portion of a reactor, and high-temperature hot sand is supplied to an upper side of the biomass supplied to the inclined portion. Then, a heater heats the inclined portion. Thus, the fast pyrolysis performance of the biomass can be enhanced, thereby increasing the yield of bio-oil. Also, combustion gas produced from the heater is supplied to the interior of the reactor, so that the interior of the reactor can be simply formed under a nonoxidizing atmosphere. Accordingly, the device for preparing bio-oil can be manufactured into a very simple structure. | 03-22-2012 |
Yeon-Seok Choi, Seoul KR
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20120034404 | MEDICAL MULTILAYER FILM AND USE THEREOF - Disclosed are a medical multilayer film and use thereof. More specifically, disclosed are a medical multilayer film including: an outer layer comprising a propylene polymer selected from the group consisting of a polypropylene, a propylene copolymer and a combination thereof, an intermediate layer comprising 10 to 60% by weight of a propylene polymer selected from the group consisting of a polypropylene, a propylene copolymer and a combination thereof and 40 to 90% by weight of a thermoplastic elastomer, and an inner layer comprising 60 to 80% by weight of a propylene polymer selected from the group consisting of a polypropylene, a propylene copolymer and a combination thereof, 10 to 30% by weight of polyethylene, and 1 to 10% by weight of a thermoplastic elastomer, and use thereof. The multilayer film exhibits superior transparency, heat resistance and sealability as well as cold resistance, heat resistance, drop impact resistance and low-temperature impact resistance, thus being applicable to infusion solution containers, medical pouches, contrast medium containers and blood containers for packaging and administering medical solutions such as infusion solutions and blood. | 02-09-2012 |