Patents by Inventor Hwan Seok Park
Hwan Seok Park 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: 10793657Abstract: Provided is an antifouling acrylic resin that contains: a first structural unit derived from a first acrylic monomer; a second structural unit derived from a second acrylic monomer into which a polysiloxane side chain is introduced; and a third structural unit derived from a third acrylic monomer into which a photocurable functional group is introduced.Type: GrantFiled: October 28, 2015Date of Patent: October 6, 2020Assignee: LG HAUSYS, LTD.Inventors: Yu-Jun Kim, Seong-Hoon Yue, Hwan-Seok Park, Hea-Won Kwon, Yea-Ri Song, Da-Young Yu, Hae-Rim Nam
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Patent number: 10766814Abstract: Disclosed are an artificial marble composition having a natural marble texture, and a method for producing artificial marble using the same. The artificial marble composition according to the present invention comprises: a first resin mixture; and a second resin mixture which is added to the first resin mixture and has a viscosity different from the first resin mixture, wherein each of the first and second resin mixtures comprises a base resin and an inorganic filler, and wherein the second resin mixture further comprises a thixotropic agent.Type: GrantFiled: November 29, 2016Date of Patent: September 8, 2020Assignee: LG HAUSYS, LTD.Inventors: Hae-Rim Nam, Seong-Hoon Yue, Hwan-Seok Park, Jang-soon Kim, Yea-Ri Song, Yu-Jun Kim, Min-Kyung Park
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Patent number: 10737472Abstract: Provided is an acrylic multilayered film with high weather resistance, comprising an upper film and a lower film, wherein the upper film comprises a polyvinylidene fluoride and a first acrylic copolymer containing a first functional group, and the lower film comprises an acrylic thermoplastic resin and a second acrylic copolymer containing a second functional group.Type: GrantFiled: September 9, 2013Date of Patent: August 11, 2020Assignee: LG HAUSYS, LTD.Inventors: Hwan Seok Park, Chang Hak Shin, Seong Hoon Yue, Jong Hun Lee, Ku Il Park, Deok Ryul Hwang, Yea Ri Song
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Patent number: 10226913Abstract: Provided is a decorative sheet which comprises a top surface layer, a rear surface layer and at least one intermediate layer between the top surface layer and the rear surface layer, wherein: the top surface layer and the rear surface layer each independently are formed from a first composite resin composition comprising a glycol-modified polyethylene terephthalate resin and an ester-based resin; the intermediate layer(s) is (are) formed from a second composite resin composition comprising a glycol-modified polyethylene terephthalate resin, a polyethylene terephthalate resin and an ester-based resin; the glass-transition temperature of the ester-based resin is lower than the glass-transition temperature of the glycol-modified polyethylene terephthalate resin; the glass-transition temperature of the ester-based resin is lower than the glass-transition temperature of the polyethylene terephthalate resin; and the content of the polyethylene terephthalate resin in the second composite resin composition is betweenType: GrantFiled: July 23, 2014Date of Patent: March 12, 2019Assignee: LG HAUSYS, LTD.Inventors: Chang-Hak Shin, Hwan-Seok Park, Jong-Hun Lee, Seong-Hoon Yue, Dong-Joo Kwon, Ku-Il Park, Deok-Ryul Hwang, Yea-Ri Song
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Publication number: 20180282215Abstract: Disclosed are an artificial marble composition having a natural marble texture, and a method for producing artificial marble using the same. The artificial marble composition according to the present invention comprises: a first resin mixture; and a second resin mixture which is added to the first resin mixture and has a viscosity different from the first resin mixture, wherein each of the first and second resin mixtures comprises a base resin and an inorganic filler, and wherein the second resin mixture further comprises a thixotropic agent.Type: ApplicationFiled: November 29, 2016Publication date: October 4, 2018Applicant: LG Hausys, Ltd.Inventors: Hae-Rim NAM, Seong-Hoon YUE, Hwan-Seok PARK, Jang-soon KIM, Yea-Ri SONG, Yu-Jun KIM, Min-Kyung PARK
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Publication number: 20180244818Abstract: Provided is an antifouling acrylic resin that contains: a first structural unit derived from a first acrylic monomer; a second structural unit derived from a second acrylic monomer into which a polysiloxane side chain is introduced; and a third structural unit derived from a third acrylic monomer into which a photocurable functional group is introduced.Type: ApplicationFiled: October 28, 2015Publication date: August 30, 2018Inventors: Yu-Jun KIM, Seong-Hoon YUE, Hwan-Seok PARK, Hea-Won KWON, Yea-Ri SONG, Da-Young YU, Hae-Rim NAM
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Patent number: 9919583Abstract: Described herein is an automotive sheet heater. The automotive sheet heater includes a stacked structure of a far-infrared radiating layer, a metal layer, and a metal wire-containing carbon nanotube heating layer. The carbon nanotube heating layer includes 1 wt % to 50 wt % of metal wires.Type: GrantFiled: February 24, 2014Date of Patent: March 20, 2018Assignees: LG HAUSYS, LTD., LG CHEM, LTD.Inventors: Yea Ri Song, Seong Hoon Yue, Jong Hun Lee, Chang Hak Shin, Ku Il Park, Deok Ryul Hwang, Hwan Seok Park
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Patent number: 9857927Abstract: A transparent resin laminate includes: a high-hardness hard coating layer having a pencil hardness of 6H to 8H; a transparent (meth)acrylic resin layer; and an impact resistant hard coating layer including a urethane bond-containing acrylic resin.Type: GrantFiled: November 12, 2013Date of Patent: January 2, 2018Assignee: LG HAUSYS, LTD.Inventors: Deok Ryul Hwang, Ku Il Park, Seong Hoon Yue, Jong Hun Lee, Min Hee Lee, Chang Hak Shin, Hwan Seok Park, Yea Ri Song
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Patent number: 9742046Abstract: Provided is a heating sheet for a battery module, including: a surface heating element; an insulating layer on one surface of the surface heating element; and an insulating adhesive layer on the other surface of the surface heating element, in which the area of the heating portion of the surface heating element is 40% to 90% of the entire area of the battery cell to which the surface heating element is attached. Also provided is a battery module including the heating sheet for a battery module and the battery cell, in which the area of the heated portion of the battery cell is 40% to 90% of the entire area of the battery cell.Type: GrantFiled: August 26, 2013Date of Patent: August 22, 2017Assignees: LG HAUSYS, LTD., LG CHEM, LTD.Inventors: Seong Hoon Yue, Jong Hun Lee, Yea Ri Song, Chang Hak Shin, Ku Il Park, Deok Ryul Hwang, Hwan Seok Park
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Publication number: 20170112026Abstract: Provided are an electromagnetic wave shielding sheet and a method for producing the same, the electromagnetic wave shielding sheet comprising a unit structure, which comprises a heat-radiating layer and a magnetic layer, and comprising a stack structure in which a plurality of the unit structures is stacked, wherein the sum of total thickness of the heat-radiating layers has a ratio of 0.1 to 0.7 with regard to the total thickness of the electromagnetic wave shielding sheet.Type: ApplicationFiled: February 26, 2015Publication date: April 20, 2017Applicant: LG HAUSYS, Ltd.Inventors: Da-Young YU, Hwan-Seok PARK, Hae-Rim NAM, Seong-Hoon YUE, Hea-Won KWON, Yea-Ri SONG, Yu-Jun KIM
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Publication number: 20160374147Abstract: The present invention relates to a heating seat with high efficiency, and the heating seat includes a stack structure of a substrate layer, a first insulation layer, a carbon nanotube heating layer, and a second insulation layer.Type: ApplicationFiled: March 27, 2015Publication date: December 22, 2016Inventors: Yea-Ri SONG, Seong-Hoon YUE, Jong-Hun LEE, Dong-Joo KWON, Chang-Hak SHIN, Deok-Ryul HWANG, Hwan-Seok PARK, Da-Young YU
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Publication number: 20160176167Abstract: Provided is a decorative sheet which comprises a top surface layer, a rear surface layer and at least one intermediate layer between the top surface layer and the rear surface layer, wherein: the top surface layer and the rear surface layer each independently are formed from a first composite resin composition comprising a glycol-modified polyethylene terephthalate resin and an ester-based resin; the intermediate layer(s) is (are) formed from a second composite resin composition comprising a glycol-modified polyethylene terephthalate resin, a polyethylene terephthalate resin and an ester-based resin; the glass-transition temperature of the ester-based resin is lower than the glass-transition temperature of the glycol-modified polyethylene terephthalate resin; the glass-transition temperature of the ester-based resin is lower than the glass-transition temperature of the polyethylene terephthalate resin; and the content of the polyethylene terephthalate resin in the second composite resin composition is betweenType: ApplicationFiled: July 23, 2014Publication date: June 23, 2016Applicant: LG Hausys, Ltd.Inventors: Chang-Hak SHIN, Hwan-Seok PARK, Jong-Hun LEE, Seong-Hoon YUE, Dong-Joo KWON, Ku-Il PARK, Deok-Ryul HWANG, Yea-Ri SONG
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Publication number: 20160001632Abstract: Disclosed is an automotive sheet heater including a stacked structure of a far-infrared radiating layer, a metal layer, and a metal wire-containing carbon nanotube heating layer.Type: ApplicationFiled: February 24, 2014Publication date: January 7, 2016Inventors: Yea Ri SONG, Seong Hoon YUE, Jong Hun LEE, Chang Hak SHIN, Ku Il PARK, Deok Ryul HWANG, Hwan Seok PARK
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Patent number: 9228046Abstract: Disclosed herein is a low gloss thermoplastic resin composition with a soft touch surface comprising (A) about 10 to about 80% by weight of a soft rubbery aromatic vinyl copolymer resin which comprises rubber particles with a graft ratio of about 40 to about 90% and an average particle diameter of about 6 to about 20 ?m as a dispersed phase; (B) about 4 to about 60% by weight of a rubber-modified aromatic vinyl copolymer resin; and (C) about 5 to about 80% by weight of an aromatic vinyl-vinyl cyanide copolymer resin. The molded article molded from the thermoplastic resin composition can have a soft touch surface as well as excellent low gloss and impact strength.Type: GrantFiled: June 30, 2010Date of Patent: January 5, 2016Assignee: Cheil Industries Inc.Inventors: Jae Keun Hong, Hwan Seok Park, Byeong Do Lee, Young Sub Jin, Ho Ryong Sun, Sung Kwan Kim, Young Don Yoo
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Publication number: 20150346872Abstract: A transparent resin laminate includes: a high-hardness hard coating layer having a pencil hardness of 6H to 8H; a transparent (meth)acrylic resin layer; and an impact resistant hard coating layer including a urethane bond-containing acrylic resin.Type: ApplicationFiled: November 12, 2013Publication date: December 3, 2015Inventors: Deok Ryul HWANG, Ku Il PARK, Seong Hoon YUE, Jong Hun LEE, Min Hee LEE, Chang Hak SHIN, Hwan Seok PARK, Yea Ri SONG
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Publication number: 20150325892Abstract: Provided is a heating sheet for a battery module, including: a surface heating element; an insulating layer on one surface of the surface heating element; and an insulating adhesive layer on the other surface of the surface heating element, in which the area of the heating portion of the surface heating element is 40% to 90% of the entire area of the battery cell to which the surface heating element is attached. Also provided is a battery module including the heating sheet for a battery module and the battery cell, in which the area of the heated portion of the battery cell is 40% to 90% of the entire area of the battery cell.Type: ApplicationFiled: August 26, 2013Publication date: November 12, 2015Inventors: Seong Hoon YUE, Jong Hun LEE, Yea Ri SONG, Chang Hak SHIN, Ku Il PARK, Deok Ryul HWANG, Hwan Seok PARK
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Patent number: 9133323Abstract: A flame retardant thermoplastic resin composition includes (a) a polycarbonate resin, (b) an impact modifier, and (c) resorcinol bis(diphenyl phosphate). The impact modifier includes (b1) a large rubber particle-modified vinyl graft copolymer wherein the rubber particle has an average particle diameter of about 0.3 to about 0.7 ?m, and (b2) a small rubber particle-modified graft copolymer wherein the rubber particle has an average particle diameter of about 0.05 to about 0.27 ?m. The flame retardant thermoplastic resin composition can have excellent flowability, mold formability, flame retardancy, impact strength, and gloss characteristics.Type: GrantFiled: June 24, 2013Date of Patent: September 15, 2015Assignee: Cheil Industries Inc.Inventors: Hwan Seok Park, Seung Shik Shin, Kyuong Sik Chin, Yun Ku Nam, Jong Tae Yoon
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Publication number: 20150210046Abstract: Provided is an acrylic multilayered film with high weather resistance, comprising an upper film and a lower film, wherein the upper film comprises a polyvinylidene fluoride and a first acrylic copolymer containing a first functional group, and the lower film comprises an acrylic thermoplastic resin and a second acrylic copolymer containing a second functional group.Type: ApplicationFiled: September 8, 2013Publication date: July 30, 2015Applicant: LG Hausys, Ltd.Inventors: Hwan Seok Park, Chang Hak Shin, Seong Hoon Yue, Jong Hun Lee, Ku Il Park, Deok Ryul Hwang, Yea Ri Song
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Patent number: 8673997Abstract: A polycarbonate resin composition includes about 100 parts by weight of a base resin including about 45 to about 86 parts by weight of a polycarbonate resin (A), about 10 to about 45 parts by weight of a polysiloxane-polycarbonate copolymer (B) and about 4 to about 10 parts by weight of an aromatic vinyl graft copolymer (C), about 0.03 to about 5 parts by weight of a sulfonate flame retardant (D) based on about 100 parts by weight of the base resin, and about 1 to about 10 parts by weight of a polycaprolactone polymer (E) based on about 100 parts by weight of the base resin.Type: GrantFiled: September 30, 2011Date of Patent: March 18, 2014Assignee: Cheil Industries Inc.Inventors: Hwan Seok Park, Seung Shik Shin, Min Jung Kang, Jong Tae Yoon
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Publication number: 20130281568Abstract: A flame retardant thermoplastic resin composition includes (a) a polycarbonate resin, (b) an impact modifier, and (c) resorcinol bis(diphenyl phosphate). The impact modifier includes (b1) a large rubber particle-modified vinyl graft copolymer wherein the rubber particle has an average particle diameter of about 0.3 to about 0.7 ?m, and (b2) a small rubber particle-modified graft copolymer wherein the rubber particle has an average particle diameter of about 0.05 to about 0.27 ?m. The flame retardant thermoplastic resin composition can have excellent flowability, mold formability, flame retardancy, impact strength, and gloss characteristics.Type: ApplicationFiled: June 24, 2013Publication date: October 24, 2013Inventors: Hwan Seok PARK, Seung Shik SHIN, Kyuong Sik CHIN, Yun Ku NAM, Jong Tae YOON