Patents by Inventor Jee Kwon Park
Jee Kwon 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: 11661505Abstract: A thermoplastic resin composition of the present invention is characterized by including: about 100 parts by weight of a polyolefin resin; about 10-80 parts by weight of a flame retardant other than sodium phosphate; about 1-25 parts by weight of zinc oxide having an average particle size of about 0.2-3 ?m and a specific surface area BET of about 1-10 m2/g; and about 1-50 parts by weight of sodium phosphate. The thermoplastic resin composition has excellent antibacterial properties, flame retardant properties, chemical-resistant antibacterial properties, and the like.Type: GrantFiled: December 5, 2019Date of Patent: May 30, 2023Assignee: Lotte Chemical CorporationInventors: Jee Kwon Park, Cheon Seok Yang, Hyeon Mun Jeong, Ju Sung Kim, Jin Seong Lee
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Publication number: 20220411616Abstract: A thermoplastic resin composition of the present invention is characterized by comprising: about 100 parts by weight of a polyolefin resin including one or more of a polypropylene resin and an ethylene-propylene block copolymer; about 10 parts by weight to about 60 parts by weight of a phosphorus nitrogen-based flame retardant; about 0.05 parts by weight to about 10 parts by weight of a maleic anhydride-modified olefin-based polymer; and about 5 parts by weight to about 40 parts by weight of talc having a calcium content of about 0.1% by weight or less. The thermoplastic resin composition has excellent flame retardancy, impact resistance, rigidity, molding processability, etc.Type: ApplicationFiled: November 18, 2020Publication date: December 29, 2022Inventors: Seon Ae LEE, Yoen Kyoung KIM, Jee Kwon PARK, Hyeon Mun JEONG
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Publication number: 20220275194Abstract: A thermoplastic resin composition of the present invention comprises: approximately 100 parts by weight of an ethylene-propylene block copolymer; approximately 0.3-5 parts by weight of metal phosphinate compound; approximately 0.5-5 parts by weight of a phosphorus-nitrogen-based retardant; and approximately 0.01-0.2 parts by weight of a bromine-based retardant. The thermoplastic resin composition has excellent flame retardancy, impact resistance, and the like.Type: ApplicationFiled: September 24, 2020Publication date: September 1, 2022Inventors: Jee Kwon PARK, Hyeon Mun JEONG, Yoen Kyoung KIM, Seon Ae LEE
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Thermoplastic resin composition for laser direct structuring process and article comprising the same
Patent number: 11312832Abstract: A thermoplastic resin composition and a molded article including the same. The thermoplastic resin composition includes: about 100 parts by weight of a thermoplastic resin; about 1 to about 30 parts by weight of an additive for laser direct structuring (LDS additive); about 0.01 to about 5 parts by weight of a hindered phenol-based compound; about 0.01 to about 10 parts by weight of a sodium phosphate salt; about 0.01 to about 5 parts by weight of a phosphite compound; about 0.01 to about 5 parts by weight of a sulfonate compound; and about 0.01 to about 10 parts by weight of a metal oxide, wherein a weight ratio of the hindered phenol-based compound, the sodium phosphate salt, the phosphite compound and the sulfonate compound to the metal oxide may range from about 2:1 to about 10:1.Type: GrantFiled: December 11, 2018Date of Patent: April 26, 2022Assignee: Lotte Advanced Materials Co., Ltd.Inventors: Jee Kwon Park, Ik Mo Kim, Nam Hyun Kim, Jung Ki Kim, Sang Hyun Hong -
Patent number: 11208554Abstract: A thermally-conductive resin composition according to the present invention comprises: approximately 10-50 wt % polycarbonate resin; approximately 1-10 wt % glycol-modified polyester resin; approximately 1-15 wt % glass transition temperature depressing agent; approximately 5-20 wt % additive for laser direct structuring; approximately 10-35 wt % boron nitride having average particle size (D50) of approximately 10 ?m or greater; and approximately 10-30 wt % glass fiber having a non-circular cross-sectional surface.Type: GrantFiled: December 27, 2017Date of Patent: December 28, 2021Assignee: Lotte Advanced Materials Co., Ltd.Inventors: Jee Kwon Park, Yeong Deuk Seo, Jung Ki Kim, Yoo Jin Jung, Sang Hyun Hong
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Publication number: 20210340366Abstract: A thermoplastic resin composition of the present invention is characterized by including: about 100 parts by weight of a polyolefin resin; about 10-80 parts by weight of a flame retardant other than sodium phosphate; about 1-25 parts by weight of zinc oxide having an average particle size of about 0.2-3 ?m and a specific surface area BET of about 1-10 m2/g; and about 1-50 parts by weight of sodium phosphate. The thermoplastic resin composition has excellent antibacterial properties, flame retardant properties, chemical-resistant antibacterial properties, and the like.Type: ApplicationFiled: December 5, 2019Publication date: November 4, 2021Inventors: Jee Kwon PARK, Cheon Seok YANG, Hyeon Mun JEONG, Ju Sung KIM, Jin Seong LEE
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Patent number: 11002938Abstract: Disclosed herein is a lens barrel member. The lens barrel member includes: a lens barrel surrounding an outer periphery of a lens; and a housing receiving the lens barrel, the lens barrel being secured to the housing, wherein the lens barrel is formed of a lens barrel composition including: about 50 wt % to about 75 wt % of a polycarbonate resin; about 20 wt % to about 45 wt % of a glass fiber; about 0.5 wt % to about 3 wt % of a polyolefin wax; and about 0.5 wt % to about 3 wt % of a fluorinated olefin resin, and a weight ratio of the polyolefin wax to the fluorinated olefin resin ranges from about 1:0.3 to about 1:3. The lens barrel member can have a low coefficient of friction and/or good properties in terms of rigidity and/or dimensional stability.Type: GrantFiled: December 26, 2018Date of Patent: May 11, 2021Assignee: Lotte Advanced Materials Co., Ltd.Inventors: Jee Kwon Park, Ik Mo Kim, Jung Ki Kim, Sang Hyun Hong
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Patent number: 10899900Abstract: The present invention relates to a thermoplastic resin composition for laser direct structuring, containing: a polycarbonate resin; an inorganic compound comprising titanium dioxide and zinc sulfide; a fibrous inorganic filler; and an additive for laser direct structuring. Therefore, the present invention can provide: a thermoplastic resin composition for laser direct structuring, capable of implementing excellent whiteness while maintaining excellent impact resistance and rigidity; and a molded article comprising the same.Type: GrantFiled: December 20, 2017Date of Patent: January 26, 2021Assignee: Lotte Advanced Materials Co., Ltd.Inventors: Yoo Jin Jung, Ik Mo Kim, Jung Ki Kim, Jee Kwon Park, Sang Hyun Hong
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Publication number: 20200148849Abstract: The present invention relates to a thermoplastic resin composition for laser direct structuring, containing: a polycarbonate resin; an inorganic compound comprising titanium dioxide and zinc sulfide; a fibrous inorganic filler; and an additive for laser direct structuring. Therefore, the present invention can provide: a thermoplastic resin composition for laser direct structuring, capable of implementing excellent whiteness while maintaining excellent impact resistance and rigidity; and a molded article comprising the same.Type: ApplicationFiled: December 20, 2017Publication date: May 14, 2020Inventors: Yoo Jin JUNG, Ik Mo KIM, Jung Ki KIM, Jee Kwon PARK, Sang Hyun HONG
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Publication number: 20190338117Abstract: A thermally-conductive resin composition according to the present invention comprises: approximately 10-50 wt % polycarbonate resin; approximately 1-10 wt % glycol-modified polyester resin; approximately 1-15 wt % glass transition temperature depressing agent; approximately 5-20 wt % additive for laser direct structuring; approximately 10-35 wt % boron nitride having average particle size (D50) of approximately 10 ?m or greater; and approximately 10-30 wt % glass fiber having a non-circular cross-sectional surface.Type: ApplicationFiled: December 27, 2017Publication date: November 7, 2019Applicant: LOTTE ADVANCED MATERIALS CO., LTD.Inventors: Jee Kwon PARK, Yeong Deuk SEO, Jung Ki KIM, Yoo Jin JUNG, Sang Hyun HONG
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Publication number: 20190196133Abstract: Disclosed herein is a lens barrel member. The lens barrel member includes: a lens barrel surrounding an outer periphery of a lens; and a housing receiving the lens barrel, the lens barrel being secured to the housing, wherein the lens barrel is formed of a lens barrel composition including: about 50 wt % to about 75 wt % of a polycarbonate resin; about 20 wt % to about 45 wt % of a glass fiber; about 0.5 wt % to about 3 wt % of a polyolefin wax; and about 0.5 wt % to about 3 wt % of a fluorinated olefin resin, and a weight ratio of the polyolefin wax to the fluorinated olefin resin ranges from about 1:0.3 to about 1:3. The lens barrel member can have a low coefficient of friction and/or good properties in terms of rigidity and/or dimensional stability.Type: ApplicationFiled: December 26, 2018Publication date: June 27, 2019Inventors: Jee Kwon PARK, Ik Mo KIM, Jung Ki KIM, Sang Hyun HONG
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Thermoplastic Resin Composition for Laser Direct Structuring Process and Article Comprising the Same
Publication number: 20190177499Abstract: A thermoplastic resin composition and a molded article including the same. The thermoplastic resin composition includes: about 100 parts by weight of a thermoplastic resin; about 1 to about 30 parts by weight of an additive for laser direct structuring (LDS additive); about 0.01 to about 5 parts by weight of a hindered phenol-based compound; about 0.01 to about 10 parts by weight of a sodium phosphate salt; about 0.01 to about 5 parts by weight of a phosphite compound; about 0.01 to about 5 parts by weight of a sulfonate compound; and about 0.01 to about 10 parts by weight of a metal oxide, wherein a weight ratio of the hindered phenol-based compound, the sodium phosphate salt, the phosphite compound and the sulfonate compound to the metal oxide may range from about 2:about 1 to about 10:about 1.Type: ApplicationFiled: December 11, 2018Publication date: June 13, 2019Inventors: Jee Kwon PARK, Ik Mo KIM, Nam Hyun KIM, Jung Ki KIM, Sang Hyun HONG -
Publication number: 20180187007Abstract: Disclosed herein is a thermoplastic resin composition for laser direct structuring. The thermoplastic resin composition includes: (A) about 60 wt % to about 75 wt % of a polycarbonate resin; (B) about 5 wt % to about 30 wt % of a continuous phase and dispersed phase-containing aromatic vinyl-diene-vinyl cyanide copolymer; (C) about 1 wt % to about 15 wt % of a core-shell type rubber-modified aromatic vinyl graft copolymer; and (D) about 1 wt % to about 10 wt % of an additive for laser direct structuring (LDS additive), wherein the thermoplastic resin composition has an RW of higher than about 1 to about 6, as defined by Equation 1: RW=WB/WC wherein WB denotes a weight of the continuous phase and dispersed phase-containing aromatic vinyl-diene-vinyl cyanide copolymer (B), and WC denotes a weight of the core-shell type rubber-modified aromatic vinyl graft copolymer (C).Type: ApplicationFiled: December 28, 2017Publication date: July 5, 2018Inventors: Jung Ki Kim, Nam Hyun Kim, Ik Mo Kim, Jee Kwon Park, Yoo Jin Jung, Sang Hyun Hong
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Thermoplastic Resin Composition for Laser Direct Structuring Process and Article Comprising the Same
Publication number: 20180171138Abstract: Disclosed herein is a thermoplastic resin composition. The thermoplastic resin composition includes: a polycarbonate resin; a glycol-modified polyester resin having 1,4-cyclohexane dimethanol (CHDM) content of about 20 mol % to about 100 mol % in a diol component; inorganic fillers; and an additive for laser direct structuring (LDS additive). The thermoplastic resin composition can have good properties in terms of plating adhesion, appearance, surface hardness, and the like.Type: ApplicationFiled: December 15, 2017Publication date: June 21, 2018Inventors: Yoo Jin JUNG, Jung Ki KIM, Jee Kwon PARK, Sang Hyun HONG -
Publication number: 20170029621Abstract: A polyamide resin composition and a molded article manufactured using the same. The polyamide resin composition includes: a base resin comprising an aliphatic polyamide resin having a terminal amine group concentration of about 0.1 ?eq/g to about 45 ?eq/g and including a repeat unit represented by the following Formula 1 wherein a is an integer from 4 to 10, and b is an integer from 6 to 12 and an aromatic polyamide resin including a repeat unit represented by the following Formula 2 wherein c is an integer from 6 to 12; and inorganic fillers. The polyamide resin composition can exhibit excellent properties in terms of impact resistance, stiffness, processability, appearance, and balance therebetween.Type: ApplicationFiled: July 28, 2016Publication date: February 2, 2017Inventors: Nam Hyun KIM, Chan Gyun SHIN, Sang Hyun HONG, Jee Kwon PARK
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Publication number: 20140361223Abstract: A composite of the present invention comprises: about 10 wt % to about 84 wt % of (A) a thermoplastic resin; about 5 wt % to about 35 wt % of (B) a first filler; about 1 wt % to about 20 wt % of (C) a second filler; and about 10 wt % to about 60 wt % of (D) a third filler, wherein the third filler (D) is a conductive filler, and the melting points of the thermoplastic resin (A), the first filler (B) and the second filler (C) satisfy the following relation 1: Tma?30° C.>Tmb,Tma+500° C.<Tmc??[Relation 1] (wherein, Tma is the melting point (° C.) of the (A) thermoplastic resin, Tmb is the melting point (° C.) of the (B) first filler, and Tmc is the melting point (° C.) of the (C) second filler).Type: ApplicationFiled: December 4, 2012Publication date: December 11, 2014Inventors: Jee Kwon Park, Yoon Sook Lim, Jae Hyun Han, Kang Yeol Park
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Publication number: 20140238736Abstract: A thermoplastic resin composition that can have excellent EMI shielding and injection-molding processability includes (A) a thermoplastic resin, (B) carbon fibers, and (C) filler comprising nano metal particles surface coated with graphite crystalline nano carbon particles, composite fillers which are carbon nanotubes coated with nano metal particles, composite fillers which are carbon nanotubes supporting nano metal particles, and combinations thereof.Type: ApplicationFiled: February 17, 2014Publication date: August 28, 2014Applicant: CHEIL INDUSTRIES INC.Inventors: Kyoung Tae Youm, Jee Kwon Park, Young Sil Lee
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Patent number: 8389628Abstract: The present invention provides a thermoplastic resin composition that can have excellent impact resistance, chemical resistance, fluidity and high gloss, which comprises about 1 to about 80 parts by weight of a styrene-acrylonitrile resin (A) including one or more functional groups capable of reacting with polyester; about 1 to about 98 parts by weight of an acrylonitrile-butadiene-styrene resin (B) including about 5 to about 40% by weight of a graft polymerized acrylonitrile-butadiene-styrene resin (B1) and about 60 to about 95% by weight of a styrene-acrylonitrile resin (B2) and including about 20% by weight or less of acrylonitrile; and about 1 to about 98 parts by weight of a polyester resin (C), wherein the resin composition comprises acrylonitrile in a total amount of about 1 to about 13% by weight.Type: GrantFiled: December 28, 2009Date of Patent: March 5, 2013Assignee: Cheil Industries Inc.Inventors: Jee Kwon Park, Jin Hwan Choi, Kang Yeol Park, Jun Myung Kim, Jae Won Lee
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Patent number: 8080619Abstract: A styrenic thermoplastic resin composition of the present invention comprises about 100 parts by weight of base resin comprising (A) about 10 to about 99 parts by weight of styrenic resin containing an epoxy group and (B) about 1 to about 90 parts by weight of polyester resin; and (C) about 0.1 to about 97 parts by weight of amorphous modified polyester resin, based on the total weight of the base resin. A molded article produced from the styrenic thermoplastic resin composition of the present invention can have excellent impact resistance and paintability.Type: GrantFiled: July 8, 2009Date of Patent: December 20, 2011Assignee: Cheil Industries Inc.Inventors: Jae Won Lee, Jin Hwan Choi, Jun Myung Kim, Jee Kwon Park
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Patent number: 8080611Abstract: The present invention provides a chemical and impact resistant thermoplastic resin composition that can have improved extrudability. In one embodiment, the thermoplastic resin composition comprises a base resin including (A) about 1 to about 98% by weight of an epoxy group-containing vinyl copolymer resin; (B) about 1 to about 98% by weight of a rubber modified styrene copolymer resin; and (C) about 1 to about 98% by weight of a polyester resin; and about 1 to about 6 parts by weight of an aromatic vinyl-vinyl cyanide copolymer resin having a weight average molecular weight of about 1,000,000 to about 5,000,000, per 100 parts by weight of the base resin comprising (A)+(B)+(C). In another embodiment, the thermoplastic resin composition comprises a base resin including (A) about 1 to about 98% by weight of an epoxy group-containing vinyl copolymer resin; (B) about 1 to about 98% by weight of a rubber modified styrene copolymer resin; and (C) about 1 to about 98% by weight of a polyester resin; and (E) about 0.Type: GrantFiled: June 10, 2010Date of Patent: December 20, 2011Assignee: Cheil Industries Inc.Inventors: Jee Kwon Park, Jun Myung Kim, Jin Hwan Choi, Jae Won Lee