Patents by Inventor Seon-Kyoung Kim
Seon-Kyoung 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: 9644064Abstract: The present description relates to an olefin block copolymer with excellences in elasticity, heat resistance, and processability. The olefin block copolymer comprises a plurality of blocks or segments, each comprising an ethylene or propylene repeating unit and an ?-olefin repeating unit at different mole fractions. The olefin block copolymer comprises polymer chains containing 20 to 100 short-chain branches (SCBs) per 1,000 carbon atoms. A point where a first derivative of the number Y of the SCBs per 1,000 carbon atoms of each polymer chain with respect to the molecular weight X of the polymer chain is 0 exists between the minimum and maximum values of the molecular weight X.Type: GrantFiled: June 9, 2016Date of Patent: May 9, 2017Assignee: LG CHEM, LTD.Inventors: Man-Seong Jeon, Ki-Soo Lee, Yong-Ho Lee, Heon-Yong Kwon, Min-Seok Cho, Seon-Kyoung Kim, Kyoung-Chan Lim, Dae-Sik Hong
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Publication number: 20160289365Abstract: The present description relates to an olefin block copolymer with excellences in elasticity, heat resistance, and processability. The olefin block copolymer comprises a plurality of blocks or segments, each comprising an ethylene or propylene repeating unit and an ?-olefin repeating unit at different mole fractions. The olefin block copolymer comprises polymer chains containing 20 to 100 short-chain branches (SCBs) per 1,000 carbon atoms. A point where a first derivative of the number Y of the SCBs per 1,000 carbon atoms of each polymer chain with respect to the molecular weight X of the polymer chain is 0 exists between the minimum and maximum values of the molecular weight X.Type: ApplicationFiled: June 9, 2016Publication date: October 6, 2016Inventors: Man-Seong JEON, Ki-Soo LEE, Yong-Ho LEE, Heon-Yong KWON, Min-Seok CHO, Seon-Kyoung KIM, Kyoung-Chan LIM, Dae-Sik HONG
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Patent number: 9290593Abstract: A polyolefin has 1) a density in the range of 0.93 to 0.97 g/cm3, 2) a BOCD (Broad Orthogonal Co-monomer Distribution) index defined by a given equation in the range of 1 to 5, and 3) a molecular weight distribution (weight average molecular weight/number average molecular weight) in the range of 4 to 10. A supported hybrid metallocene catalyst comprises a first metallocene compound represented by a first given formulae, a second metallocene compound represented by one of three given formulae, and a support.Type: GrantFiled: December 2, 2013Date of Patent: March 22, 2016Assignee: LG CHEM, LTD.Inventors: Joon-Hee Cho, Ki-Soo Lee, Yong-Gyu Han, Dae-Sik Hong, Heon-Yong Kwon, Jong-Sang Park, Seon-Kyoung Kim
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Patent number: 9238701Abstract: The present description relates to olefin block copolymers having excellent elasticity and processability in conjunction with enhanced heat resistance, and to a preparation method thereof. The olefin block copolymers comprise a plurality of blocks or segments that comprise ethylene or propylene repeating units and ?-olefin repeating units at different mole fractions from one another, wherein the block copolymer shows peaks at the 2? of 21.5±0.5° and 23.7±0.5° in a wide-angle x-ray diffraction (WAXD) pattern, and the peak ratio defined by (the peak area at 21.5±0.5°)/(the peak area at 23.7±0.5°) is no more than 3.0.Type: GrantFiled: December 30, 2013Date of Patent: January 19, 2016Assignee: LG CHEM, LTD.Inventors: Yong-Ho Lee, Man-Seong Jeon, Heon-Yong Kwon, Min-Seok Cho, Seon-Kyoung Kim, Dae-Sik Hong, Se-Hui Sohn, Ki-Soo Lee, Kyoung-Chan Lim
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Patent number: 9221922Abstract: The present invention relates to a novel metallocene compound, a catalyst composition comprising the same, and to olefinic polymers produced using the same. The metallocene compound according to the present invention and the catalyst composition comprising the same can be used when producing olefinic polymers, have outstanding copolymerization properties, and can produce olefinic polymers of high molecular weight. In particular, when the metallocene compound according to the present invention is employed, highly heat resistant block copolymers can be produced, and olefinic polymers can be produced which have a high melting point (Tm) even if the comonomer content is increased when producing the olefinic polymer.Type: GrantFiled: November 12, 2013Date of Patent: December 29, 2015Assignee: LG CHEM, LTD.Inventors: Yong-Ho Lee, Man-Seong Jeon, Ki-Soo Lee, Heon-Yong Kwon, Min-Seok Cho, Jong-Sang Park, Joon-Hee Cho, Hyeon-Gook Kim, Eun-Kyoung Song, Seon-Kyoung Kim, Dae-Sik Hong
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Patent number: 9056939Abstract: The present description relates to an olefin block copolymer with enhanced processability as well as excellences in elasticity and heat resistance, and a preparation method for the same. The olefin block copolymer includes first and second segments, each containing an ethylene or propylene repeating unit and an ?-olefin repeating unit at different mole fractions, where the second segment is dispersed in the form of a closed curve as a dispersed phase on the first segment according to a TEM (Transmission Electron Microscope) image.Type: GrantFiled: January 27, 2012Date of Patent: June 16, 2015Assignee: LG CHEM, LTD.Inventors: Yong-Ho Lee, Man-Seong Jeon, Jeong-Min Kim, Heon-Yong Kwon, Min-Seok Cho, Seon-Kyoung Kim, Dae-Sik Hong, Ki-Soo Lee, Kyoung-Chan Lim
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Patent number: 9000115Abstract: The present description relates to olefin block copolymers having excellent elasticity and processability in conjunction with enhanced heat resistance, and to a preparation method thereof. The olefin block copolymers comprise a plurality of blocks or segments that comprise ethylene or propylene repeating units and ?-olefin repeating units at different mole fractions from one another, wherein the block copolymer shows peaks at the 2? of 21.5±0.5° and 23.7±0.5° in a wide-angle x-ray diffraction (WAXD) pattern, and the peak ratio defined by (the peak area at 21.5±0.5°)/(the peak area at 23.7±0.5°) is no more than 3.0.Type: GrantFiled: January 26, 2012Date of Patent: April 7, 2015Assignee: LG Chem, Ltd.Inventors: Yong Ho Lee, Manseong Jeon, Heon-Yong Kwon, Min-Seok Cho, Seon Kyoung Kim, Dae-Sik Hong, Se Hui Sohn, Ki-Soo Lee, Kyoung-Chan Lim
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Publication number: 20140114033Abstract: The present description relates to olefin block copolymers having excellent elasticity and processability in conjunction with enhanced heat resistance, and to a preparation method thereof. The olefin block copolymers comprise a plurality of blocks or segments that comprise ethylene or propylene repeating units and ?-olefin repeating units at different mole fractions from one another, wherein the block copolymer shows peaks at the 2? of 21.5±0.5° and 23.7±0.5° in a wide-angle x-ray diffraction (WAXD) pattern, and the peak ratio defined by (the peak area at 21.5±0.5°)/(the peak area at 23.7±0.5°) is no more than 3.0.Type: ApplicationFiled: December 30, 2013Publication date: April 24, 2014Applicant: LG CHEM, LTD.Inventors: Yong-Ho LEE, Man-Seong JEON, Heon-Yong KWON, Min-Seok CHO, Seon-Kyoung KIM, Dae-Sik HONG, Se-Hui SOHN, Ki-Soo LEE, Kyoung-Chan LIM
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Patent number: 8692009Abstract: The present invention relates to a novel metallocene compound, a catalyst composition comprising the same, and to olefinic polymers produced using the same. The metallocene compound according to the present invention and the catalyst composition comprising the same can be used when producing olefinic polymers, have outstanding copolymerization properties, and can produce olefinic polymers of high molecular weight. In particular, when the metallocene compound according to the present invention is employed, highly heat resistant block copolymers can be produced, and olefinic polymers can be produced which have a high melting point (Tm) even if the comonomer content is increased when producing the olefinic polymer.Type: GrantFiled: July 29, 2010Date of Patent: April 8, 2014Assignee: LG Chem, Ltd.Inventors: Yong Ho Lee, Manseong Jeon, Ki-Soo Lee, Heon-Yong Kwon, Min-Seok Cho, Jong-Sang Park, Joon Hee Cho, Hyeon-Gook Kim, Eunkyoung Song, Seon-Kyoung Kim, Dae-Sik Hong
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Publication number: 20140094574Abstract: A polyolefin has 1) a density in the range of 0.93 to 0.97 g/cm3, 2) a BOCD (Broad Orthogonal Co-monomer Distribution) index defined by a given equation in the range of 1 to 5, and 3) a molecular weight distribution (weight average molecular weight/number average molecular weight) in the range of 4 to 10. A supported hybrid metallocene catalyst comprises a first metallocene compound represented by a first given formulae, a second metallocene compound represented by one of three given formulae, and a support.Type: ApplicationFiled: December 2, 2013Publication date: April 3, 2014Applicant: LG CHEM, LTD.Inventors: Joon-Hee Cho, Ki-Soo Lee, Yong-Gyu Han, Dae-Sik Hong, Heon-Yong Kwon, Jong-Sang Park, Seon-Kyoung Kim
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Publication number: 20140066288Abstract: The present invention relates to a novel metallocene compound, a catalyst composition comprising the same, and to olefinic polymers produced using the same. The metallocene compound according to the present invention and the catalyst composition comprising the same can be used when producing olefinic polymers, have outstanding copolymerisation properties, and can produce olefinic polymers of high molecular weight. In particular, when the metallocene compound according to the present invention is employed, highly heat resistant block copolymers can be produced, and olefinic polymers can be produced which have a high melting point (Tm) even if the comonomer content is increased when producing the olefinic polymer.Type: ApplicationFiled: November 12, 2013Publication date: March 6, 2014Applicant: LG CHEM, LTD.Inventors: Yong-Ho Lee, Man-Seong Jeon, Ki-Soo Lee, Heon-Yong Kwon, Min-Seok Cho, Jong-Sang Park, Joon-Hee Cho, Hyeon-Gook Kim, Eun-Kyoung Song, Seon-Kyoung Kim, Dae-Sik Hong
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Publication number: 20130296497Abstract: The present description relates to an olefin block copolymer with excellences in elasticity, heat resistance, and processability. The olefin block copolymer comprises a plurality of blocks or segments, each comprising an ethylene or propylene repeating unit and an ?-olefin repeating unit at different mole fractions. The olefin block copolymer comprises polymer chains containing 20 to 100 short-chain branches (SCBs) per 1,000 carbon atoms. A point where a first derivative of the number Y of the SCBs per 1,000 carbon atoms of each polymer chain with respect to the molecular weight X of the polymer chain is 0 exists between the minimum and maximum values of the molecular weight X.Type: ApplicationFiled: January 27, 2012Publication date: November 7, 2013Applicant: LG CHEM, LTD.Inventors: Man-Seong Jeong, Ki-Soo Lee, Yong-Ho Lee, Heon-Yong Kwon, Min-Seok Cho, Seon-Kyoung Kim, Kyoung-Chan Lim, Dae-Sik Hong
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Publication number: 20130296519Abstract: The present description relates to an olefin block copolymer with enhanced processability as well as excellences in elasticity and heat resistance, and a preparation method for the same. The olefin block copolymer includes first and second segments, each containing an ethylene or propylene repeating unit and an ?-olefin repeating unit at different mole fractions, where the second segment is dispersed in the form of a closed curve as a dispersed phase on the first segment according to a TEM (Transmission Electron Microscope) image.Type: ApplicationFiled: January 27, 2012Publication date: November 7, 2013Inventors: Yong-Ho Lee, Man-Seong Jeon, Jeong-Min Kim, Heon-Yong Kwon, Min-Seok Cho, Seon-Kyoung Kim, Dae-Sik Hong, Ki-Soo Lee, Kyoung Lim
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Patent number: 8450510Abstract: The present invention relates to an amine bridged metallocene catalyst, a method for producing the same, and a method for producing an ethylene-alpha olefin copolymer, which comprises polymerizing ethylene and alpha olefin in the presence of an olefin polymerization catalyst composition including a metallocene catalyst. The amine bridged metallocene catalyst may be produced by reacting one or more of substituted or unsubstituted cyclopentadiene and substituted or unsubstituted fluorene with amine to bridge them with nitrogen, and reacting them with a transition metal to coordinate them.Type: GrantFiled: January 30, 2009Date of Patent: May 28, 2013Assignee: LG Chem, Ltd.Inventors: Min-Seok Cho, Nicola Maggiarosa, Ki-Soo Lee, Heon-Yong Kwon, Jong-Sang Park, Joon-Hee Cho, Yong-Ho Lee, Byung-Ryul Lee, Seon-Kyoung Kim, Dae-Sik Hong
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Patent number: 8431660Abstract: The present invention provides a non-metallocene transition metal compound that is easily produced, includes a tetrazol group having the high polymerization activity and high temperature stability in the polymerization of olefins, and a catalytic composition that includes the transition metal compound and a cocatalyst. In addition, the present invention provides a method for efficiently producing an olefin homopolymer or copolymer by using the catalytic composition.Type: GrantFiled: December 5, 2008Date of Patent: April 30, 2013Assignee: LG Chem, Ltd.Inventors: Heon-Yong Kwon, Nicola Maggiarosa, Ki-Soo Lee, Min-Seok Cho, Jong-Sang Park, Joon-Hee Cho, Yong-Ho Lee, Byung-Ryul Lee, Seon-Kyoung Kim, Dae-Sik Hong
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Publication number: 20120196985Abstract: The present description relates to olefin block copolymers having excellent elasticity and processability in conjunction with enhanced heat resistance, and to a preparation method thereof. The olefin block copolymers comprise a plurality of blocks or segments that comprise ethylene or propylene repeating units and ?-olefin repeating units at different mole fractions from one another, wherein the block copolymer shows peaks at the 2? of 21.5±0.5° and 23.7±0.5° in a wide-angle x-ray diffraction (WAXD) pattern, and the peak ratio defined by (the peak area at 21.5±0.5°)/(the peak area at 23.7±0.5°) is no more than 3.0.Type: ApplicationFiled: January 26, 2012Publication date: August 2, 2012Inventors: Yong-Ho LEE, Manseong Jeon, Heon-Yong Kwon, Min-Seok Cho, Seon Kyoung Kim, Dae-Sik Hong, Se Hui Sohn, Ki-Soo Lee, Kyoung-Chan Lim
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Publication number: 20120172548Abstract: A polyolefin has 1) a density in the range of 0.93 to 0.97 g/cm3, 2) a BOCD (Broad Orthogonal Co-monomer Distribution) index defined by a given equation in the range of 1 to 5, and 3) a molecular weight distribution (weight average molecular weight/number average molecular weight) in the range of 4 to 10. A supported hybrid metallocene catalyst comprises a first metallocene compound represented by a first given formulae, a second metallocene compound represented by one of three given formulae, and a support.Type: ApplicationFiled: December 27, 2011Publication date: July 5, 2012Applicant: LG CHEM, LTD.Inventors: Joon-Hee CHO, Ki-Soo LEE, Yong-Gyu HAN, Dae-Sik HONG, Heon-Yong KWON, Jong-Sang PARK, Seon Kyoung KIM
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Publication number: 20120123078Abstract: The present invention relates to a novel metallocene compound, a catalyst composition comprising the same, and to olefinic polymers produced using the same. The metallocene compound according to the present invention and the catalyst composition comprising the same can be used when producing olefinic polymers, have outstanding copolymerisation properties, and can produce olefinic polymers of high molecular weight. In particular, when the metallocene compound according to the present invention is employed, highly heat resistant block copolymers can be produced, and olefinic polymers can be produced which have a high melting point (Tm) even if the comonomer content is increased when producing the olefinic polymer.Type: ApplicationFiled: July 29, 2010Publication date: May 17, 2012Inventors: Yong Ho Lee, Manseong Jeon, Ki-Soo Lee, Heon-Yong Kwon, Min-Seok Cho, Jong-Sang Park, Joon-Hee Cho, Hyeon-Gook Kim, EunKyoung Song, Seon-Kyoung Kim, Dae-Sik Hong
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Patent number: 7915360Abstract: The present invention provides a new supported catalyst for olefin polymerization prepared by reacting a novel transition metal compound on a cocatalyst-supported support, in which the transition metal compound is coordinated with a monocyclopentadienyl ligand to which an amido-quinoline group is introduced, a method for preparing the same, and a method for preparing a polyolefin using the same. The transition metal catalyst compound used in the present invention is configured such that an amido group is linked in a cyclic form via a phenylene bridge. Thus, a pentagon ring structure of the transition metal compound is stably maintained, so that monomers easily approach the transition metal compound and the reactivity is also high.Type: GrantFiled: November 15, 2007Date of Patent: March 29, 2011Assignee: LG Chem, Ltd.Inventors: Dae-Sik Hong, Ki-Soo Lee, Yong-Gyu Han, Heon-Yong Kwon, Jong-Sang Park, Joon-Hee Cho, Seon-Kyoung Kim, Choong-Hoon Lee, Eun-Jung Lee, Seung-Whan Jung, Ki-Su Ro
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Publication number: 20100324321Abstract: The present invention relates to an amine bridged metallocene catalyst, a method for producing the same, and a method for producing an ethylene-alpha olefin copolymer, which comprises polymerizing ethylene and alpha olefin in the presence of an olefin polymerization catalyst composition including a metallocene catalyst. The amine bridged metallocene catalyst may be produced by reacting one or more of substituted or unsubstituted cyclopentadiene and substituted or unsubstituted fluorene with amine to bridge them with nitrogen, and reacting them with a transition metal to coordinate them.Type: ApplicationFiled: January 30, 2009Publication date: December 23, 2010Inventors: Min-Seok Cho, Nicola Maggiarosa, Ki-Soo Lee, Heon-Yong Kwon, Jong-Sang Park, Joon-Hee Cho, Yong-Ho Lee, Byung-Ryul Lee, Seon-Kyoung Kim, Dae-Sik Hong