Patents by Inventor Jang Seop Kim
Jang Seop Kim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9005583Abstract: There is provided a novel chain-end functionalized PEO of formulas (I) to (IV) prepared via living anionic polymerization and chain-end functionalization, as well as a simple method of preparing nano-sized transition metal or metal salt particles using the same, which can be readily stabilized even in an aqueous medium. The water-soluble PEO-based polymers having various functional groups (including a drug group such as vitamin and anti-cancer agent) and the process of preparing nano-sized transition metal or metal salt particles using the same can be advantageously used in the development of new materials for drug delivering system and imaging, e.g., a contrast agent and an anti-cancer agent simultaneously.Type: GrantFiled: July 6, 2006Date of Patent: April 14, 2015Assignee: Youl Chon Chemical Co., Ltd.Inventors: Jungahn Kim, Kwang Ung Kim, Seung Sang Hwang, Soon Man Hong, Soonjong Kwak, Joon Hyeong Park, Ji Hee Kim, Dong Youn Shin, Soon Geun Hwang, Jang Seop Kim, Han Wook Ryu
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Publication number: 20130144498Abstract: An apparatus for controlling emergency braking based on condition information of a vehicle includes an obstacle detection unit configured to detect an obstacle located on a road in front of the vehicle, information collection unit configured to collect the condition information of the vehicle through a vehicle network, controller configured to control the emergency braking of the vehicle upon analyzing the condition information collected by the information collection unit upon detection of the obstacle by the obstacle detection unit to determine whether the emergency braking is reliable, and an alarm unit configured to generate an alarm according to a control of the controller.Type: ApplicationFiled: May 16, 2012Publication date: June 6, 2013Applicant: HYUNDAI MOTOR COMPANYInventor: Jang Seop Kim
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Patent number: 8389002Abstract: Disclosed is an anti-cancer medicine comprising a chain end functionalized polymer, a contrast material such as iron oxide and a chemotherapeutic agent such as doxorubicin or pharmaceutically acceptable salts thereof. The anti-cancer medicine performs diagnosis and treatment of cancer at the same time, remarkably reduces a cardiotoxic side effect of the doxorubicin and has an excellent targeting function to the cancer part to considerably increase the anti-cancer effect. At the same time, the anti-cancer medicine is provided as MRI contrast medium which can diagnose the cancer and monitor a progress of the disease. In particular, the anti-cancer medicine is disclosed which is superior to the diagnosis and treatment of the solid cancer and can effectively perform the diagnosis and treatment of the metastatic cancer as well as the primary cancer at the same time.Type: GrantFiled: July 5, 2007Date of Patent: March 5, 2013Assignee: Youl Chon Chemical Co., Ltd.Inventors: Dong-Youn Shin, Jang-Seop Kim
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Publication number: 20100158812Abstract: Disclosed is an anti-cancer medicine comprising a chain end functionalized polymer, a contrast material such as iron oxide and a chemotherapeutic agent such as doxorubicin or pharmaceutically acceptable salts thereof. The anti-cancer medicine performs diagnosis and treatment of cancer at the same time, remarkably reduces a cardiotoxic side effect of the doxorubicin and has an excellent targeting function to the cancer part to considerably increase the anti-cancer effect. At the same time, the anti-cancer medicine is provided as MRI contrast medium which can diagnose the cancer and monitor a progress of the disease. In particular, the anti-cancer medicine is disclosed which is superior to the diagnosis and treatment of the solid cancer and can effectively perform the diagnosis and treatment of the metastatic cancer as well as the primary cancer at the same time.Type: ApplicationFiled: July 5, 2007Publication date: June 24, 2010Applicant: YOUL CHON CHEMICAL CO., LTD.Inventors: Dong-Youn Shin, Jang-Seop Kim
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Publication number: 20090142268Abstract: There is provided a novel chain-end functionalized PEO of formulas (I) to (IV) prepared via living anionic polymerization and chain-end functionalization, as well as a simple method of preparing nano-sized transition metal or metal salt particles using the same, which can be readily stabilized even in an aqueous medium. The water-soluble PEO-based polymers having various functional groups (including a drug group such as vitamin and anti-cancer agent) and the process of preparing nano-sized transition metal or metal salt particles using the same can be advantageously used in the development of new materials for drug delivering system and imaging, e.g., a contrast agent and an anti-cancer agent simultaneously.Type: ApplicationFiled: July 6, 2006Publication date: June 4, 2009Applicant: Youl Chon Chemical Co., Ltd.Inventors: Jungahn Kim, Kwang Ung Kim, Seung Sang Hwang, Soon Man Hong, Soonjong Kwak, Joon Hyeong Park, Ji Hee Kim, Dong Youn Shin, Soon Geun Hwang, Jang Seop Kim, Han Wook Ryu
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Patent number: 7319127Abstract: Disclosed are nano-sized metals and metal salts stabilized by using semi-telechelic and telechelic polymers prepared through living anionic polymerization, and their synthetic methods, and a nanostructure wherein the nano-sized particles are self-assembled by mixing block copolymers and film-casting. The present invention provides a new method for preparing nano-sized particles capable of easily accomplishing nanostructure by merely mixing, especially with block copolymers, and having excellent stability.Type: GrantFiled: October 23, 2002Date of Patent: January 15, 2008Assignees: Korea Institute of Science and TechnologyInventors: Jungahn Kim, Kwang Ung Kim, Seung Sang Hwang, Dong-Youn Shin, Jang Seop Kim, Soon-Geun Hwang, Keon Hyeong Kim
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Publication number: 20060152356Abstract: A disaster prevention system using a wireless digital communication is disclosed. The object of the present invention is capable of outputting a fire alarm when a fire occurs, displaying a location of the fire, and also driving an initial fire fighting device installed at the location of the fire so that the fire can be rapidly suppressed while still in its initial stage. It is another object of the present invention to provide a disaster prevention system using wireless communication capable of providing convenience of construction and reducing construction costs. It is a further object of the present invention to provide a disaster prevention system using wireless communication capable of stably operating even if an external AC power source is not supplied thereto.Type: ApplicationFiled: June 25, 2004Publication date: July 13, 2006Inventors: Han-Gyu Yang, Jang-Seop Kim
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Patent number: 6841137Abstract: An apparatus for generating ozone in high concentration with efficiency and linearly controlling the concentration of ozone is disclosed. The apparatus includes an oxygen generator, a flat plate type ozone generator, a high-voltage transformer, a high-frequency inverter, a cooling-water supplier, and a control signal generator. The high-frequency inverter linearly controls the concentration of ozone by applying a high-frequency voltage pulse generated according to a predetermined ON/OFF time ratio corresponding to a voltage level of a control signal, to the flat plate type ozone generator through the high-voltage transformer. The flat plate type ozone generator uses a flat plate type ceramic as dielectrics, thereby optimizing the efficiency of ozone generation and the endurance of the ozone generator, and thus simultaneously miniaturizing dimension thereof.Type: GrantFiled: January 8, 2002Date of Patent: January 11, 2005Assignees: Korea Institute of Science and Technology, Youl Chon Chemical Co., Ltd.Inventors: Seung Hee Han, Yeon Hee Lee, Gyu Jin Ha, In Bae Jung, Jang Seop Kim
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Patent number: 6784266Abstract: The present invention relates to a process for preparing copolymer hydrogels with controlled molecular weights and having both thermo- and pH-responsive properties, wherein the process comprises the steps of (a) providing sulfonamide type styrenic or (meth)acrylamide-based monomers exhibiting different pKa values; (b) providing poly(N-isopropylacrylamide) or crosslinked poly(N-isopropylacrylamide-co-methylene bisacrylamide) hydrogels having thermo-responsive properties; and (c) providing several hydrogels exhibiting pH-sensitive properties and random or block copolymerizations of the sulfonamide type styrenic or (meth)acrylamide-based monomers prepared in step (a) with N-isopropylacrylamide and/or methylene bisacrylamide monomers used in step (b) in a polar or non-polar solvent; wherein said steps (b) and (c) are carried out by controlled/living radical polymerization using alkyl halides as the initiators and the transition metals with phosphine or amine ligands as the catalysts.Type: GrantFiled: October 28, 2002Date of Patent: August 31, 2004Assignees: Korea Institute of Science and Technology, Youl Chon Chemical Co., Inc.Inventors: Jungahn Kim, Kwang Ung Kim, Sang Seob Kim, Keon Hyeong Kim, Dong-Youn Shin, Soon-Geun Hwang, Jang Seop Kim
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Publication number: 20040030019Abstract: Disclosed are nano-sized metals and metal salts stabilized by using semi-telechelic and telechelic polymers prepared through living anionic polymerization, and their synthetic methods, and a nanostructure wherein the nano-sized particles are self-assembled by mixing block copolymers and film-casting. The present invention provides a new method for preparing nano-sized particles capable of easily accomplishing nanostructure by merely mixing, especially with block copolymers, and having excellent stability.Type: ApplicationFiled: October 23, 2002Publication date: February 12, 2004Inventors: Jungahn Kim, Kwang Ung Kim, Seung Sang Hwang, Dong-Youn Shin, Jang Seop Kim, Soon-Geun Hwang, Keon Hyeong Kim
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Publication number: 20040024096Abstract: The present invention relates to a process for preparing copolymer hydrogels with controlled molecular weights and having both thermo- and pH-responsive properties, wherein the process comprises the steps of (a) providing sulfonamide type styrenic or (meth)acrylamide-based monomers exhibiting different pKa values; (b) providing poly(N-isopropylacrylamide) or crosslinked poly(N-isopropylacrylamide-co-methylene bisacrylamide) hydrogels having thermo-responsive properties; and (c) providing several hydrogels exhibiting pH-sensitive properties and random or block copolymerizations of the sulfonamide type styrenic or (meth)acrylamide-based monomers prepared in step (a) with N-isopropylacrylamide and/or methylene bisacrylamide monomers used in step (b) in a polar or non-polar solvent; wherein said steps (b) and (c) are carried out by controlled/living radical polymerization using alkyl halides as the initiators and the transition metals with phosphine or amine ligands as the catalysts.Type: ApplicationFiled: October 28, 2002Publication date: February 5, 2004Inventors: Jungahn Kim, Kwang Ung Kim, Sang Seob Kim, Keon Hyeong Kim, Dong-Youn Shin, Soon-Geun Hwang, Jang Seop Kim
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Publication number: 20030006131Abstract: An ozone production rate control method and a device using dual frequency in an apparatus employing a silent discharge technique are provided. The method includes the steps of: generating a control signal for controlling the ozone production rate; creating, responsive to the control signal, an adjusted signal having an ON/OFF time ratio adjusted depending on the control signal; producing, responsive to the adjusted signal, a low-frequency pulse and a high-frequency signal; and controlling an ON/OFF time ratio of the high-frequency signal. The device includes an ON/OFF time ratio adjusting unit, a low-frequency pulse oscillation circuit, a high-frequency oscillation circuit, and a multiplier.Type: ApplicationFiled: January 8, 2002Publication date: January 9, 2003Applicant: KOREA INSTITUTE OF SCIENCE & TECHNOLOGYInventors: Seung Hee Han, Yeon Hee Lee, Gyu Jin Ha, In Bae Jung, Jang Seop Kim
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Publication number: 20030007908Abstract: An apparatus for generating ozone in high concentration with efficiency and linearly controlling the concentration of ozone is disclosed. The apparatus includes an oxygen generator, a flat plate type ozone generator, a high-voltage transformer, a high-frequency inverter, a cooling-water supplier, and a control signal generator. The high-frequency inverter linearly controls the concentration of ozone by applying a high-frequency voltage pulse generated according to a predetermined ON/OFF time ratio corresponding to a voltage level of a control signal, to the flat plate type ozone generator through the high-voltage transformer. The flat plate type ozone generator uses a flat plate type ceramic as dielectrics, thereby optimizing the efficiency of ozone generation and the endurance of the ozone generator, and thus simultaneously miniaturizing dimension thereof.Type: ApplicationFiled: January 8, 2002Publication date: January 9, 2003Applicant: KOREA INSTITUTE OF SCIENCE & TECHNOLOGYInventors: Seung Hee Han, Yeon Hee Lee, Gyu Jin Ha, In Bae Jung, Jang Seop Kim