Patents by Inventor Hak Shin Kim
Hak Shin 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: 10655002Abstract: Provided are a resin blend for forming a layer-separated structure, a pellet, a method of preparing a resin article using the same and a resin article. The resin blend may include a first resin, and a second resin that comprises a resin to which at least one organic functional group selected from the group consisting of an alkyl group having 2 to 20 carbon atoms, an alicyclic group having 5 to 40 carbon atoms and an aromatic group having 6 to 40 carbon atoms is introduced, that has a difference in melt viscosity from the first resin of 0.1 to 3000 pa*s at a shear rate of 100 to 1000 s?1 and a processing temperature of the resin blend, and that has a difference in glass transition temperature from the first resin of 10° C. to 150° C. The resin blend can improve mechanical and surface characteristics of a resin article.Type: GrantFiled: April 12, 2013Date of Patent: May 19, 2020Assignee: LG CHEM, LTD.Inventors: Houng Sik Yoo, Jin Young Ryu, Hak Shin Kim, Eun Joo Choi, Young Jun Hong, Hyun Seok Yang
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Patent number: 10655003Abstract: The present invention relates to a resin blend for a melting process, to a method for manufacturing a resin molding using same, and to a resin molding obtained thereby, the resin blend comprising a first resin and a second resin, wherein the second resin includes a polymer resin having at least one organic functional group selected from the group consisting of an alkyl group having 2 to 20 carbon atoms, an alicyclic ring having 5 to 40 carbon atoms and an aromatic ring having 6 to 40 carbon atoms, and has, with the first resin, a melt viscosity difference of 0.1 to 3,000 Pa*s at a shear rate of 100 to 1,000 s?1 and a processing temperature of the resin mixture, and a glass transition temperature (Tg) difference of 10° C. to 150° C.Type: GrantFiled: October 14, 2011Date of Patent: May 19, 2020Assignee: LG CHEM, LTD.Inventors: Houng Sik Yoo, Jin Young Ryu, Hak Shin Kim, Eun Joo Choi, Young Jun Hong, Hyun Seok Yang
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Patent number: 10035902Abstract: Provided are a resin blend for melt processing, a pellet and a method of preparing a resin article using the same. The resin blend may include a first resin, and a second resin having a difference in melt viscosity from the first resin of 0.1 to 3000 pa*s at a shear rate of 100 to 1000 s?1 and a processing temperature of the resin blend. The resin blend can improve mechanical and surface characteristics of a resin article. Further, since coating or plating is not required for manufacturing a resin article, a manufacturing time and/or cost can be reduced, and productivity can be increased.Type: GrantFiled: June 30, 2015Date of Patent: July 31, 2018Assignee: LG CHEM, LTD.Inventors: Jin Young Ryu, Houng Sik Yoo, Hak Shin Kim, Young Jun Hong, Chong Kyu Shin, Eun Joo Choi
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Patent number: 9644086Abstract: Provided are a resin blend for melt processing, a pellet and a method of preparing a resin article using the same. The resin blend may include a first resin, and a second resin having a difference in solubility parameter from the first resin at 25° C. of 0.001 to 10 (J/cm3)1/2. The resin blend can improve mechanical and surface characteristics of a resin article. Further, since coating or plating is not required for manufacturing a resin article, a manufacturing time and/or cost can be reduced, and productivity can be increased.Type: GrantFiled: November 28, 2012Date of Patent: May 9, 2017Assignee: LG CHEM, LTD.Inventors: Jin Young Ryu, Houng Sik Yoo, Hak Shin Kim, Young Jun Hong, Chong Kyu Shin, Eun Joo Choi
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Patent number: 9481149Abstract: Provided is a resin article produced by melt processing and having layers formed by a layer-separation. The resin article may include a first resin layer, a second resin layer formed on the first resin layer and an interface layer including a first resin and a second resin and formed between the first resin layer and the second resin layer. The resin article may have improved mechanical and surface characteristics. Further, since coating or plating is not required for manufacturing a resin article, a manufacturing time and/or cost can be reduced, and productivity can be increased.Type: GrantFiled: November 28, 2012Date of Patent: November 1, 2016Assignee: LG CHEM, LTD.Inventors: Houng Sik Yoo, Hak Shin Kim, Jin Young Ryu, Chong Kyu Shin, Young Jun Hong, Jeong Min Kim, Eun Joo Choi
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Patent number: 9296888Abstract: Provided are a resin blend for melt processing, a pellet and a method of preparing a resin article using the same. The resin blend may include a first resin, and a second resin having a difference in surface energy from the first resin at 25° C. of 0.1 to 35 mN/m. The resin blend can improve mechanical and surface characteristics of a resin article. Further, since coating or plating is not required for manufacturing a resin article, a manufacturing time and/or cost can be reduced, and productivity can be increased.Type: GrantFiled: November 28, 2012Date of Patent: March 29, 2016Assignee: LG CHEM, LTD.Inventors: Jin Young Ryu, Houng Sik Yoo, Hak Shin Kim, Young Jun Hong, Chong Kyu Shin, Eun Joo Choi
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Patent number: 9296178Abstract: Provided is a resin article having a layer-separated structure. The resin article may include a first resin layer and a second resin layer formed on the first resin layer. Also, the component of the first resin layer is detected on a surface of the second resin layer by infrared spectrometer. The resin article may have improved mechanical and surface characteristics. Further, since coating or plating is not required for manufacturing a resin article, a manufacturing time and/or cost can be reduced, and productivity can be increased.Type: GrantFiled: November 20, 2013Date of Patent: March 29, 2016Assignee: LG Chem, LTD.Inventors: Houng Sik Yoo, Hak Shin Kim, Jin Young Ryu, Chong Kyu Shin, Young Jun Hong, Jeong Min Kim, Eun Joo Choi
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Patent number: 9243134Abstract: Provided are a resin blend for melt processing, a pellet and a method of preparing a resin article using the same. The resin blend may include a first resin, and a second resin having a difference in melt viscosity from the first resin of 0.1 to 3000 pa*s at a shear rate of 100 to 1000 s?1 and a processing temperature of the resin blend. The resin blend can improve mechanical and surface characteristics of a resin article. Further, since coating or plating is not required for manufacturing a resin article, a manufacturing time and/or cost can be reduced, and productivity can be increased.Type: GrantFiled: November 28, 2012Date of Patent: January 26, 2016Assignee: LG CHEM, LTD.Inventors: Jin Young Ryu, Houng Sik Yoo, Hak Shin Kim, Young Jun Hong, Chong Kyu Shin, Eun Joo Choi
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Patent number: 9193857Abstract: Provided are a resin blend for forming a layer-separated structure, a pellet, a method of preparing a resin article using the same and a resin article. The resin blend may include a first resin, and a second resin that comprises an acrylic copolymer containing a silica particle and has a molecular weight distribution of 1 to 2.5. The resin blend can improve surface characteristics of a resin article. Also, the resin blend can realize excellent scratch resistance of a resin article. Further, since an additional coating is not required for manufacturing a resin article, a manufacturing time and/or cost can be reduced, and productivity can be increased.Type: GrantFiled: April 12, 2013Date of Patent: November 24, 2015Assignee: LG CHEM, LTD.Inventors: Jin Young Ryu, Houng Sik Yoo, Hak Shin Kim, Eun Joo Choi, Young Jun Hong
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Publication number: 20150299450Abstract: Provided are a resin blend for melt processing, a pellet and a method of preparing a resin article using the same. The resin blend may include a first resin, and a second resin having a difference in melt viscosity from the first resin of 0.1 to 3000 pa*s at a shear rate of 100 to 1000 s?1 and a processing temperature of the resin blend. The resin blend can improve mechanical and surface characteristics of a resin article. Further, since coating or plating is not required for manufacturing a resin article, a manufacturing time and/or cost can be reduced, and productivity can be increased.Type: ApplicationFiled: June 30, 2015Publication date: October 22, 2015Applicant: LG CHEM, LTD.Inventors: Jin Young RYU, Houng Sik YOO, Hak Shin KIM, Young Jun HONG, Chong Kyu SHIN, Eun Joo CHOI
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Patent number: 9090763Abstract: Provided are a resin blend for forming a layer-separated structure, a pellet, a method of preparing a resin article using the same, and a resin article. The resin blend may include a first resin, and a second resin including a resin to which a fluorine or fluorine-substituted organic functional group is introduced and having a difference in surface energy from the first resin at 25° C. of 0.1 to 35 mN/m. The resin blend can improve mechanical and surface characteristics of a resin article. Also, the resin blend can realize excellent contamination resistance of a resin article. Further, since coating or plating is not required for manufacturing a resin article, a manufacturing time and/or cost can be reduced, and productivity can be increased.Type: GrantFiled: November 28, 2012Date of Patent: July 28, 2015Assignee: LG CHEM, LTD.Inventors: Jin Young Ryu, Hak Shin Kim, Houng Sik Yoo, Eun Joo Choi, Young Jun Hong
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Patent number: 9044924Abstract: Provided is a resin article produced by melt processing and having layers formed by a layer-separation. having a layer-separated structure. The resin article may include a first resin layer and a second resin layer formed on the first resin layer. Also, the component of the first resin layer is detected on a surface of the second resin layer by infrared spectrometer. The resin article may have improved mechanical and surface characteristics. Further, since coating or plating is not required for manufacturing a resin article, a manufacturing time and/or cost can be reduced, and productivity can be increased.Type: GrantFiled: November 28, 2012Date of Patent: June 2, 2015Assignee: LG CHEM, LTD.Inventors: Houng Sik Yoo, Hak Shin Kim, Jin Young Ryu, Chong Kyu Shin, Young Jun Hong, Jeong Min Kim, Eun Joo Choi
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Patent number: 9000112Abstract: The present invention relates to a resin mixture for melt processing, comprising a first resin; and a second resin comprising an acrylate-based copolymer including silica particles and having a polydispersity index (PDI) of 1 to 2.5, a method for preparing a resin-molded article using the same, and a resin-molded article. Surface characteristics of the molded article can be improved and excellent scratch resistance can be obtained by using the resin composition. In addition, processing time can be reduced, productivity is increased, and manufacturing costs are lowered by omitting the additional surface coating step.Type: GrantFiled: October 14, 2011Date of Patent: April 7, 2015Assignee: LG Chem, Ltd.Inventors: Jin Young Ryu, Houng Sik Yoo, Hak Shin Kim, Eun Joo Choi, Young Jun Hong
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Publication number: 20140087157Abstract: Provided is a resin article having a layer-separated structure. The resin article may include a first resin layer and a second resin layer formed on the first resin layer. Also, the component of the first resin layer is detected on a surface of the second resin layer by infrared spectrometer. The resin article may have improved mechanical and surface characteristics. Further, since coating or plating is not required for manufacturing a resin article, a manufacturing time and/or cost can be reduced, and productivity can be increased.Type: ApplicationFiled: November 20, 2013Publication date: March 27, 2014Applicant: LG Chem, Ltd.Inventors: Houng Sik YOO, Hak Shin KIM, Jin Young RYU, Chong Kyu SHIN, Young Jun HONG, Jeong Min KIM, Eun Joo CHOI
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Publication number: 20130330558Abstract: The present invention relates to a resin blend for a melting process, to a method for manufacturing a resin molding using same, and to a resin molding obtained thereby, the resin blend comprising a first resin and a second resin, wherein the second resin includes a polymer resin having at least one organic functional group selected from the group consisting of an alkyl group having 2 to 20 carbon atoms, an alicyclic ring having 5 to 40 carbon atoms and an aromatic ring having 6 to 40 carbon atoms, and has, with the first resin, a melt viscosity difference of 0.1 to 3,000 Pa*s at a shear rate of 100 to 1,000 s?1 and a processing temperature of the resin mixture, and a glass transition temperature (Tg) difference of 10° C. to 150° C. The resin blend allows a resin molding to have enhanced mechanical properties and surface features, and exhibits the effects of reducing a processing time, and reducing production costs by eliminating an additional surface coating step.Type: ApplicationFiled: October 14, 2011Publication date: December 12, 2013Applicant: LG CHEM, LTD.Inventors: Houng Sik Yoo, Jin Young Ryu, Hak Shin Kim, Eun Joo Choi, Young Jun Hong, Hyun Seok Yang
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Publication number: 20130323509Abstract: The present invention relates to a resin mixture for melt processing, comprising a first resin; and a second resin comprising an acrylate-based copolymer including silica particles and having a polydispersity index (PDI) of 1 to 2.5, a method for preparing a resin-molded article using the same, and a resin-molded article. Surface characteristics of the molded article can be improved and excellent scratch resistance can be obtained by using the resin composition. In addition, processing time can be reduced, productivity is increased, and manufacturing costs are lowered by omitting the additional surface coating step.Type: ApplicationFiled: October 14, 2011Publication date: December 5, 2013Applicant: LG CHEM, LTD.Inventors: Jin Young Ryu, Houng Sik Yoo, Hak Shin Kim, Eun Joo Choi, Young Jun Hong
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Publication number: 20130302615Abstract: The present invention relates to a resin blend for a melting process, to a method for preparing same, and to a resin-molded article having a specific layer separation structure, the resin blend comprising a first resin and a second resin, wherein the second resin comprises a polymer resin having an organic functional group containing one or more oxygen atoms, and has a melt viscosity difference of 0.1 to 3,000 pa*s with respect to the first resin at a shear rate of 100 to 1,000 s?1 and a processing temperature of the resin blend. The resin blend allows a resin-molded article to have enhanced mechanical properties and surface hardness, and exhibits the effects of reducing a processing time, increasing productivity and reducing production cost by eliminating an additional surface coating step.Type: ApplicationFiled: October 14, 2011Publication date: November 14, 2013Applicant: LG CHEM, LTD.Inventors: Houng Sik Yoo, Jin Young Ryu, Hak Shin Kim, Eun Joo Choi, Young Jun Hong
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Publication number: 20130295397Abstract: Provided are a resin blend for forming a layer-separated structure, a pellet, a method of preparing a resin article using the same and a resin article. The resin blend may include a first resin, and a second resin that comprises a resin to which at least one organic functional group selected from the group consisting of an alkyl group having 2 to 20 carbon atoms, an alicyclic group having 5 to 40 carbon atoms and an aromatic group having 6 to 40 carbon atoms is introduced, that has a difference in melt viscosity from the first resin of 0.1 to 3000 pa*s at a shear rate of 100 to 1000 s?1 and a processing temperature of the resin blend, and that has a difference in glass transition temperature from the first resin of 10° C. to 150° C. The resin blend can improve mechanical and surface characteristics of a resin article. Further, since coating or plating is not required for manufacturing a resin article, a manufacturing time and/or cost can be reduced, and productivity can be increased.Type: ApplicationFiled: April 12, 2013Publication date: November 7, 2013Inventors: Houng Sik YOO, Jin Young RYU, Hak Shin KIM, Eun Joo CHOI, Young Jun HONG, Hyun Seok YANG
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Patent number: 8427742Abstract: The present invention relates to a laminate that includes a pair of substrates; and one or more photochromic films and one or more infrared (IR) shield films that are provided between the pair of substrates, wherein the photochromic films or the infrared (IR) shield films that are in contact with a pair of substrates are adhered to the substrates by an adhesion film. The laminate according to the present invention has a high durable photochromic function having a UV shielding effect and an infrared (IR) shielding effect.Type: GrantFiled: May 10, 2011Date of Patent: April 23, 2013Assignee: LG Chem, Ltd.Inventors: Woo-Sung Kim, Young-Jun Hong, Hak-Shin Kim, Hyeon Choi
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Patent number: 8079438Abstract: A seat for heavy equipment having a buffer in forward and backward directions, which can protect an operator by attenuating impact and vibration generated in a cab in forward and backward directions of an excavator in accordance with the driving of the buffer in a main working mode of the excavator. The seat includes a lower member mounted on a suspension plate, an upper member slidably mounted on the lower member in forward and backward directions of the equipment, a buffer unit for attenuating impact and vibration generated in the forward and backward directions of the equipment, a tilting unit, and a locking unit. In a main working mode, a buffer function is performed through forward and backward movement of the upper member against the lower member, and when the main working mode is released, the buffer function is released.Type: GrantFiled: April 3, 2008Date of Patent: December 20, 2011Assignee: Volvo Construction Equipment Holdings Sweden ABInventor: Hak Shin Kim