Patents by Inventor Sang-hyuk Suh
Sang-hyuk Suh 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: 8632929Abstract: An oxygen reduction electrode and a fuel cell including the same are provided. A catalyst layer of the oxygen reduction electrode includes a metalloporphyrin derivative as an additive. Accordingly, the oxygen reduction electrode can increase oxygen concentration and can easily form a triple phase boundary by reducing a flooding phenomenon caused by an electrolyte. A fuel cell including the same is also provided.Type: GrantFiled: December 18, 2006Date of Patent: January 21, 2014Assignee: Samsung SDI Co., Ltd.Inventors: Woo-sung Jeon, Sang-Hyuk Suh, Suk-gi Hong
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Patent number: 8603356Abstract: Provided are a wholly aromatic liquid crystalline polyester resin compound and a method of preparing the same. The wholly aromatic liquid crystalline polyester resin compound comprises a first wholly aromatic liquid crystalline polyester resin with a low melting point, a second wholly aromatic liquid crystalline polyester resin with a high melting point, and an additive, wherein the amount of the first wholly aromatic liquid crystalline polyester resin is 5 to 10 parts by weight with respect to 100 parts by weight of the second wholly aromatic liquid crystalline polyester resin.Type: GrantFiled: April 2, 2010Date of Patent: December 10, 2013Assignee: Samsung Fine Chemicals Co., Ltd.Inventors: Sang Hyuk Suh, Youn Eung Lee, Young Hak Shin, Jin Kyu Lee, Mahn Jong Kim
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Publication number: 20120037848Abstract: A wholly aromatic liquid crystalline polyester resin compound and a method of preparing the same. The wholly aromatic liquid crystalline polyester resin compound includes at least one of a polyethylene-based resin and a polypropylene-based resin as an additive. The method of preparing the wholly aromatic liquid crystalline polyester resin compound includes adding at least one of a polyethylene-based resin and a polypropylene-based resin as an additive.Type: ApplicationFiled: April 2, 2010Publication date: February 16, 2012Applicant: SAMSUNG FINE CHEMICALS CO., LTD.Inventors: Youn Eung Lee, Sang Hyuk Suh, Young Hak Shin, Jin Kyu Lee, Mahn Jong Kim
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Publication number: 20120022202Abstract: Provided are a wholly aromatic liquid crystalline polyester resin compound and a method of preparing the same. The wholly aromatic liquid crystalline polyester resin compound comprises a first wholly aromatic liquid crystalline polyester resin with a low melting point, a second wholly aromatic liquid crystalline polyester resin with a high melting point, and an additive, wherein the amount of the first wholly aromatic liquid crystalline polyester resin is 5 to 10 parts by weight with respect to 100 parts by weight of the second wholly aromatic liquid crystalline polyester resin.Type: ApplicationFiled: April 2, 2010Publication date: January 26, 2012Applicant: SAMSUNG FINE CHEMICALS CO., LTD.Inventors: Sang Hyuk Suh, Youn Eung Lee, Young Hak Shin, Jin Kyu Lee, Mahn Jong Kim
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Patent number: 7943856Abstract: A composition for producing a printed circuit board is provided. The composition includes a polyamic acid having one or two crosslinkable functional groups introduced at one or both ends thereof, a liquid crystal polymer (LCP) or a liquid crystalline thermoset (LCT) oligomer, and an organic solvent. Therefore, the composition can be used as a material for next-generation boards that are becoming gradually lighter in weight and smaller in thickness and size. Further provided is a printed circuit board produced using the composition.Type: GrantFiled: December 4, 2008Date of Patent: May 17, 2011Assignees: Samsung Electronics Co., Ltd., Samsung Electro-Mechanics Co., Ltd., Samsung Fine Chemicals Co., Ltd.Inventors: Yoo Seong Yang, Myung Sup Jung, Chung Kun Cho, Sang Hyuk Suh, Bon Hyeok Gu
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Patent number: 7902111Abstract: A supported catalyst for a fuel cell, a method of preparing the same, an electrode for a fuel cell including the supported catalyst, and a fuel cell including the electrode. The supported catalyst for the fuel cell includes a graphite based catalyst carrier; a first catalyst metal particle adsorbed on the surface of the graphite based catalyst carrier, wherein the amount of the first catalyst metal particle is at least 30 wt % based on the supported catalyst; and a second catalyst metal particle impregnated on the surface of the first catalyst metal particle. The supported catalyst for a fuel cell uses a graphite based catalyst carrier to increase durability of the fuel cell. Accordingly, the supported catalyst for the fuel cell provides superior energy density and fuel efficiency, by minimizing the loss of a metal catalyst impregnated in the graphite based catalyst carrier and regulating the amount of the impregnated metal catalyst.Type: GrantFiled: November 29, 2006Date of Patent: March 8, 2011Assignee: Samsung SDI Co., Ltd.Inventors: Victor Roev, Sang-hyuk Suh
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Patent number: 7875569Abstract: A supported catalyst includes a carbonaceous catalyst support and first metal-second metal alloy catalyst particles adsorbed on the surface of the carbonaceous catalyst support, wherein the difference between a D10 value and a D90 value is in the range of 0.1 to 10 nm, wherein the D10 value is a mean diameter of a randomly selected 10 wt % of the first metal-second metal alloy catalyst particles and the D90 value is a mean diameter of a randomly selected 90 wt % of the alloy catalyst particles. The supported catalyst has excellent membrane efficiency in electrodes for fuel cells due to uniform alloy composition of a catalyst particle and supported catalysts that do not agglomerate.Type: GrantFiled: October 24, 2007Date of Patent: January 25, 2011Assignee: Samsung SDI Co., Ltd.Inventors: Victor Roev, Sang-hyuk Suh, Kyung-jung Kwon, Hae-kyoung Kim
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Publication number: 20100236820Abstract: A prepreg, and a metal clad laminate and printed wiring board including the prepreg. The prepreg includes a substrate and a liquid crystal polymer resin impregnated into the substrate, and has a surface roughness in a range of 0.1 to 5.0 ?m on one or both surfaces thereof.Type: ApplicationFiled: November 13, 2008Publication date: September 23, 2010Applicant: SAMSUNG FINE CHEMICALS CO., LTDInventor: Sang Hyuk SUH
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Patent number: 7691773Abstract: The invention provides and a highly-dispersed supported catalyst that has a reduced average particle size of catalytic metal particles and is also supported by a porous support material. A method of preparing a supported catalyst that can reduce the average particle size of catalytic metal particles supported by a support material includes first mixing a charged support material with a solution containing a polymer electrolyte having a charge opposite to that of the support material to adsorb the polymer electrolyte on the support material. Next, the support material having the polymer electrolyte adsorbed thereon is mixed with a solution containing a catalytic metal precursor ion having a charge opposite to that of the polymer electrolyte to adsorb the catalytic metal precursor ion on the support material having the polymer electrolyte adsorbed on it.Type: GrantFiled: May 10, 2007Date of Patent: April 6, 2010Assignee: Samsung SDI Co., Ltd.Inventors: Sang-Hyuk Suh, Chan-Ho Pak, Hae-Kyoung Kim
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Publication number: 20090151987Abstract: A composition for producing a printed circuit board is provided. The composition includes a polyamic acid having one or two crosslinkable functional groups introduced at one or both ends thereof, a liquid crystal polymer (LCP) or a liquid crystalline thermoset (LCT) oligomer, and an organic solvent. Therefore, the composition can be used as a material for next-generation boards that are becoming gradually lighter in weight and smaller in thickness and size. Further provided is a printed circuit board produced using the composition.Type: ApplicationFiled: December 4, 2008Publication date: June 18, 2009Applicants: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG ELECTRO-MECHANICS CO., LTD., SAMSUNG FINE CHEMICALS CO., LTD.Inventors: Yoo Seong YANG, Myung Sup JUNG, Chung Kun CHO, Sang Hyuk SUH, Bon Hyeok GU
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Publication number: 20090117348Abstract: Compositions for producing a board and a printed circuit board produced using the composition are provided. The compositions can be used for the production of a variety of printed circuit boards.Type: ApplicationFiled: November 3, 2008Publication date: May 7, 2009Applicants: Samsung Electronics Co.,Ltd., Samsung Electro-Mechanic Co., Ltd., Samsung Fine Chemicals Co., Ltd.Inventors: Chung Kun Cho, Myung Sup Jung, Yoo Seong Yang, Sang Hyuk Suh, Bon Hyeok Gu
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Publication number: 20080171654Abstract: A supported catalyst includes a carbonaceous catalyst support and first metal-second metal alloy catalyst particles adsorbed on the surface of the carbonaceous catalyst support, wherein the difference between a D10 value and a D90 value is in the range of 0.1 to 10 nm, wherein the D10 value is a mean diameter of a randomly selected 10 wt % of the first metal-second metal alloy catalyst particles and the D90 value is a mean diameter of a randomly selected 90 wt % of the alloy catalyst particles. The supported catalyst has excellent membrane efficiency in electrodes for fuel cells due to uniform alloy composition of a catalyst particle and supported catalysts that do not agglomerate.Type: ApplicationFiled: October 24, 2007Publication date: July 17, 2008Applicant: Samsung SDI Co., Ltd.Inventors: Victor ROEV, Sang-hyuk Suh, Kyung-jung Kwon, Hae-kyoung Kim
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Publication number: 20080026936Abstract: The invention provides and a highly-dispersed supported catalyst that has a reduced average particle size of catalytic metal particles and is also supported by a porous support material. A method of preparing a supported catalyst that can reduce the average particle size of catalytic metal particles supported by a support material includes first mixing a charged support material with a solution containing a polymer electrolyte having a charge opposite to that of the support material to adsorb the polymer electrolyte on the support material. Next, the support material having the polymer electrolyte adsorbed thereon is mixed with a solution containing a catalytic metal precursor ion having a charge opposite to that of the polymer electrolyte to adsorb the catalytic metal precursor ion on the support material having the polymer electrolyte adsorbed on it.Type: ApplicationFiled: May 10, 2007Publication date: January 31, 2008Applicant: SAMSUNG SDI CO., LTD.Inventors: Sang-hyuk SUH, Chan-ho PAK, Hae-kyoung KIM
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Publication number: 20070196723Abstract: An oxygen reduction electrode and a fuel cell including the same are provided. A catalyst layer of the oxygen reduction electrode includes a metalloporphyrin derivative as an additive. Accordingly, the oxygen reduction electrode can increase oxygen concentration and can easily form a triple phase boundary by reducing a flooding phenomenon caused by an electrolyte. A fuel cell including the same is also provided.Type: ApplicationFiled: December 18, 2006Publication date: August 23, 2007Inventors: Woo-sung Jeon, Sang-Hyuk Suh, Suk-gi Hong
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Publication number: 20070184972Abstract: A supported catalyst for a fuel cell, a method of preparing the same, an electrode for a fuel cell including the supported catalyst, and a fuel cell including the electrode. The supported catalyst for the fuel cell includes a graphite based catalyst carrier; a first catalyst metal particle adsorbed on the surface of the graphite based catalyst carrier, wherein the amount of the first catalyst metal particle is at least 30 wt % based on the supported catalyst; and a second catalyst metal particle impregnated on the surface of the first catalyst metal particle. The supported catalyst for a fuel cell uses a graphite based catalyst carrier to increase durability of the fuel cell. Accordingly, the supported catalyst for the fuel cell provides superior energy density and fuel efficiency, by minimizing the loss of a metal catalyst impregnated in the graphite based catalyst carrier and regulating the amount of the impregnated metal catalyst.Type: ApplicationFiled: November 29, 2006Publication date: August 9, 2007Applicant: Samsung SDI Co., Ltd.Inventors: Victor Roev, Sang-hyuk Suh
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Patent number: 7229942Abstract: The invention provides and a highly-dispersed supported catalyst that has a reduced average particle size of catalytic metal particles and is also supported by a porous support material. A method of preparing a supported catalyst that can reduce the average particle size of catalytic metal particles supported by a support material includes first mixing a charged support material with a solution containing a polymer electrolyte having a charge opposite to that of the support material to adsorb the polymer electrolyte on the support material. Next, the support material having the polymer electrolyte adsorbed thereon is mixed with a solution containing a catalytic metal precursor ion having a charge opposite to that of the polymer electrolyte to adsorb the catalytic metal precursor ion on the support material having the polymer electrolyte adsorbed on it.Type: GrantFiled: March 10, 2005Date of Patent: June 12, 2007Assignee: Samsung SDI Co., Ltd.Inventors: Sang-hyuk Suh, Chan-ho Pak, Hae-kyoung Kim
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Publication number: 20060008697Abstract: A supported catalyst, an electrode including the catalyst, and a fuel cell using the electrode are provided. The supported catalyst comprises a carbon-based catalyst support, catalytic metal particles that are adsorbed onto a surface of the carbon-based catalyst support, and an ionomer that is chemically or physically adsorbed to the surface of the carbon-based catalyst support and has a functional group on an end that is capable of providing proton conductivity. In the supported catalyst, the catalyst support performs the function of transporting protons in an electrode. When using an electrode prepared using the supported catalyst, a fuel cell having improved energy density and fuel efficiency may be prepared.Type: ApplicationFiled: July 8, 2005Publication date: January 12, 2006Inventors: Hae-kyoung Kim, Chan-ho Pak, Sang-hyuk Suh, Dae-jong Yoo, Hyuk Chang
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Publication number: 20050215427Abstract: The invention provides and a highly-dispersed supported catalyst that has a reduced average particle size of catalytic metal particles and is also supported by a porous support material. A method of preparing a supported catalyst that can reduce the average particle size of catalytic metal particles supported by a support material includes first mixing a charged support material with a solution containing a polymer electrolyte having a charge opposite to that of the support material to adsorb the polymer electrolyte on the support material. Next, the support material having the polymer electrolyte adsorbed thereon is mixed with a solution containing a catalytic metal precursor ion having a charge opposite to that of the polymer electrolyte to adsorb the catalytic metal precursor ion on the support material having the polymer electrolyte adsorbed on it.Type: ApplicationFiled: March 10, 2005Publication date: September 29, 2005Inventors: Sang-hyuk Suh, Chan-ho Pak, Hae-kyoung Kim