Patents by Inventor Seung Shik Shin

Seung Shik Shin 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).

  • Patent number: 11702540
    Abstract: A thermoplastic resin composition of the present invention comprises: a polycarbonate resin; a rubber-modified vinyl-based graft copolymer; a large particle size rubbery polymer having an average particle size of about 400 to about 1,500 nm; an aromatic vinyl-based copolymer resin; a phosphorus-based flame retardant; talc; wollastonite; a maleic anhydride grafted rubbery polymer; and a black pigment. The thermoplastic resin composition is superior in terms of adhesion to metal, strength, flame retardancy, fluidity, and appearance.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: July 18, 2023
    Assignee: Lotte Chemical Corporation
    Inventors: Dong In Ha, Seung Shik Shin, Tae Gon Kang, Seung Kap Lee
  • Patent number: 11352492
    Abstract: A thermoplastic resin composition of the present invention comprises: approximately 100 parts by weight of a polycarbonate resin; approximately 0.01-2 parts by weight of a modified aromatic vinyl-based copolymer resin; approximately 0.01-1 parts by weight of a metal aliphatic sulfonate; and approximately 0.01-2 parts by weight of a fluorinated olefin-based resin, wherein the modified aromatic vinyl-based copolymer resin is a polymer of a monomer mixture comprising an aromatic vinyl-based monomer and glycidyl (meth)acrylate. The thermoplastic resin composition has excellent flame retardancy, transparency and the like.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: June 7, 2022
    Assignee: Lotte Chemical Corporation
    Inventors: Su Ji Kim, Pil Ho Kim, Seung Shik Shin
  • Patent number: 11292910
    Abstract: A thermoplastic resin composition of the present invention comprises: about 100 parts by weight of polycarbonate resin; about 20 to about 60 parts by weight of mica which has been surface-treated with a silane compound; about 0.1 to about 20 parts by weight of a modified polyolefin comprising a repeating unit represented by chemical formula 1 and a repeating unit represented by chemical formula 2; and about 3 to about 20 parts by weight of a phosphorus flame retardant. The thermoplastic resin composition has excellent impact resistance, strength, flame retardancy, fluidity, and the like.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: April 5, 2022
    Assignee: Lotte Chemical Corporation
    Inventors: Eun Taek Woo, Sun Young Kim, Ho Geun Park, Seung Shik Shin
  • Publication number: 20210171766
    Abstract: A thermoplastic resin composition of the present invention comprises: a polycarbonate resin; a rubber-modified vinyl-based graft copolymer; a large particle size rubbery polymer having an average particle size of about 400 to about 1,500 nm; an aromatic vinyl-based copolymer resin; a phosphorus-based flame retardant; talc; wollastonite; a maleic anhydride grafted rubbery polymer; and a black pigment. The thermoplastic resin composition is superior in terms of adhesion to metal, strength, flame retardancy, fluidity, and appearance.
    Type: Application
    Filed: December 28, 2018
    Publication date: June 10, 2021
    Inventors: Dong In HA, Seung Shik SHIN, Tae Gon KANG, Seung Kap LEE
  • Publication number: 20200385572
    Abstract: A thermoplastic resin composition of the present invention comprises: approximately 100 parts by weight of a polycarbonate resin; approximately 0.01-2 parts by weight of a modified aromatic vinyl-based copolymer resin; approximately 0.01-1 parts by weight of a metal aliphatic sulfonate; and approximately 0.01-2 parts by weight of a fluorinated olefin-based resin, wherein the modified aromatic vinyl-based copolymer resin is a polymer of a monomer mixture comprising an aromatic vinyl-based monomer and glycidyl (meth)acrylate. The thermoplastic resin composition has excellent flame retardancy, transparency and the like.
    Type: Application
    Filed: December 28, 2018
    Publication date: December 10, 2020
    Inventors: Su Ji KIM, Pil Ho KIM, Seung Shik SHIN
  • Publication number: 20200385571
    Abstract: A thermoplastic resin composition of the present invention comprises: about 100 parts by weight of polycarbonate resin; about 20 to about 60 parts by weight of mica which has been surface-treated with a silane compound; about 0.1 to about 20 parts by weight of a modified polyolefin comprising a repeating unit represented by chemical formula 1 and a repeating unit represented by chemical formula 2; and about 3 to about 20 parts by weight of a phosphorus flame retardant. The thermoplastic resin composition has excellent impact resistance, strength, flame retardancy, fluidity, and the like.
    Type: Application
    Filed: December 28, 2018
    Publication date: December 10, 2020
    Inventors: Eun Taek WOO, Sun Young KIM, Ho Geun PARK, Seung Shik SHIN
  • Patent number: 10787567
    Abstract: A thermoplastic resin composition of the present invention contains: a polycarbonate resin; a siloxane copolymer comprising a repeat unit represented by chemical formula 1 and a repeat unit represented by chemical formula 2; a metal aromatic sulfonate; a fluorinated olefin-based resin; and an inorganic filler having a difference in refractive index with the polycarbonate resin of approximately 0-0.01. The thermoplastic resin composition has excellent flame retardancy, transparency, stiffness, heat resistance, balance of these physical properties, and the like.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: September 29, 2020
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Pil Ho Kim, Su Ji Kim, Sun Young Kim, Seung Shik Shin
  • Patent number: 10316185
    Abstract: Disclosed herein is a polycarbonate resin composition. The polycarbonate resin composition includes a polycarbonate resin, inorganic fillers, an impact modifier comprising a modified olefin-based copolymer, and olefin wax containing a reactive group comprising at least one of a carboxylic acid group, a carboxylic acid anhydride group, an epoxy group, and a glycidyl group, wherein the inorganic fillers comprise flake-type fillers and needle-like fillers. The polycarbonate resin composition has excellent properties in terms of appearance, mechanical properties, and dimensional stability.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: June 11, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Ki Hong Choi, Seung Shik Shin, Kyuong Sik Chin
  • Patent number: 10280302
    Abstract: A thermoplastic resin composition includes: about 100 parts by weight of a polycarbonate resin; about 1 to about 15 parts by weight of a rubber-modified vinyl copolymer resin; about 10 to about 30 parts by weight of a phosphorus flame retardant; about 3 to about 12 parts by weight of calcium carbonate; about 5 to about 40 parts by weight of talc; and about 0.001 to about 5 parts by weight of a black pigment, wherein a weight ratio of calcium carbonate to talc ranges from about 1:1.5 to about 1:6 and the black pigment has an average particle size of about 10 nm to about 24 nm. The thermoplastic resin composition can realize high gloss and good appearance characteristics, and can exhibit good properties in terms of flowability, impact resistance, thermal resistance, thin film flame retardancy, dimensional stability, and the like.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: May 7, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Dong In Ha, Tae Gon Kang, Seung Shik Shin, Da Heen Jeong, Ki Hong Choi
  • Patent number: 10227488
    Abstract: Disclosed herein are a thermoplastic resin composition and a molded article produced from the thermoplastic resin composition. The thermoplastic resin composition includes: a polycarbonate resin; a rubber-modified vinyl graft copolymer; inorganic fillers comprising talc and wollastonite; maleic anhydride-modified olefin wax; and a phosphorus compound represented by the following Formula 1, wherein a weight ratio of the talc to the wollastonite ranges from about 1:0.1 to about 1:0.9, and a weight ratio of the talc to the phosphorus compound ranges from about 1:0.005 to about 1:0.05: wherein R1 and R2 are the same or different and are each independently a hydrogen atom or a C1 to C10 alkyl group and R3 is a C10 to C30 alkyl group. The thermoplastic resin composition can have excellent properties in terms of impact resistance, stiffness, dimensional stability, appearance, and balance therebetween.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: March 12, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Ki Hong Choi, Seung Shik Shin, Hyun Ho Lee, Kyuong Sik Chin, Sung Hun Choi, Dong In Ha
  • Publication number: 20180319979
    Abstract: A thermoplastic resin composition of the present invention contains: a polycarbonate resin; a siloxane copolymer comprising a repeat unit represented by chemical formula 1 and a repeat unit represented by chemical formula 2; a metal aromatic sulfonate; a fluorinated olefin-based resin; and an inorganic filler having a difference in refractive index with the polycarbonate resin of approximately 0-0.01. The thermoplastic resin composition has excellent flame retardancy, transparency, stiffness, heat resistance, balance of these physical properties, and the like.
    Type: Application
    Filed: December 13, 2016
    Publication date: November 8, 2018
    Applicant: LOTTE ADVANCED MATERIALS CO., LTD.
    Inventors: Pil Ho KIM, Su Ji KIM, Sun Young KIM, Seung Shik SHIN
  • Publication number: 20180118935
    Abstract: A thermoplastic resin composition includes: about 100 parts by weight of a polycarbonate resin; about 1 to about 15 parts by weight of a rubber-modified vinyl copolymer resin; about 10 to about 30 parts by weight of a phosphorus flame retardant; about 3 to about 12 parts by weight of calcium carbonate; about 5 to about 40 parts by weight of talc; and about 0.001 to about 5 parts by weight of a black pigment, wherein a weight ratio of calcium carbonate to talc ranges from about 1:1.5 to about 1:6 and the black pigment has an average particle size of about 10 nm to about 24 nm. The thermoplastic resin composition can realize high gloss and good appearance characteristics, and can exhibit good properties in terms of flowability, impact resistance, thermal resistance, thin film flame retardancy, dimensional stability, and the like.
    Type: Application
    Filed: October 30, 2017
    Publication date: May 3, 2018
    Inventors: Dong In HA, Tae Gon KANG, Seung Shik SHIN, Da Heen JEONG, Ki Hong CHOI
  • Publication number: 20170369703
    Abstract: A thermoplastic resin composition of the present invention includes a polycarbonate resin; a rubber-modified aromatic vinyl graft copolymer; a polyester resin; a glycol-modified polyester resin having about 10 mol % to about 60 mol % of a cyclohexanedimethanol (CHDM) content based on a total amount of a diol component; and a vinyl copolymer including an epoxy group. The thermoplastic resin composition has good impact resistance, flowability, external appearance and the like.
    Type: Application
    Filed: April 22, 2016
    Publication date: December 28, 2017
    Inventors: Dong In HA, Seung Shik SHIN, Kyuong Sik CHIN
  • Publication number: 20170342262
    Abstract: Disclosed herein is a polycarbonate resin composition. The polycarbonate resin composition includes a polycarbonate resin, inorganic fillers, an impact modifier comprising a modified olefin-based copolymer, and olefin wax containing a reactive group comprising at least one of a carboxylic acid group, a carboxylic acid anhydride group, an epoxy group, and a glycidyl group, wherein the inorganic fillers comprise flake-type fillers and needle-like fillers. The polycarbonate resin composition has excellent properties in terms of appearance, mechanical properties, and dimensional stability.
    Type: Application
    Filed: December 28, 2015
    Publication date: November 30, 2017
    Inventors: Ki Hong CHOI, Seung Shik SHIN, Kyuong Sik CHIN
  • Publication number: 20170275448
    Abstract: A thermoplastic resin composition of the present invention comprises: about 100 parts by weight of a polycarbonate resin; about 10 to about 140 parts by weight of a (meth)acrylic-based resin which comprises a repeating unit represented by chemical formula 1; about 10 to about 80 parts by weight of an aromatic phosphate ester-based compound; and about 10 to 110 parts by weight of a glass fiber, wherein the difference in refractive index between the glass fiber and a resin mixture comprising the polycarbonate resin, the (meth)acrylic-based resin, and the aromatic phosphate ester-based compound is about 0.02 or less. The thermoplastic resin composition has excellent transparency and mechanical strength such as impact resistance, flexural modulus, etc.
    Type: Application
    Filed: December 29, 2014
    Publication date: September 28, 2017
    Inventors: Pil Ho KIM, Seung Shik SHIN, Kyuong Sik CHIN
  • Publication number: 20170190908
    Abstract: Disclosed herein are a thermoplastic resin composition and a molded article produced from the thermoplastic resin composition. The thermoplastic resin composition includes: a polycarbonate resin; a rubber-modified vinyl graft copolymer; inorganic fillers comprising talc and wollastonite; maleic anhydride-modified olefin wax; and a phosphorus compound represented by the following Formula 1, wherein a weight ratio of the talc to the wollastonite ranges from about 1:0.1 to about 1:0.9, and a weight ratio of the talc to the phosphorus compound ranges from about 1:0.005 to about 1:0.05: wherein R1 and R2 are the same or different and are each independently a hydrogen atom or a C1 to C10 alkyl group and R3 is a C10 to C30 alkyl group. The thermoplastic resin composition can have excellent properties in terms of impact resistance, stiffness, dimensional stability, appearance, and balance therebetween.
    Type: Application
    Filed: December 28, 2016
    Publication date: July 6, 2017
    Inventors: Ki Hong CHOI, Seung Shik SHIN, Hyun Ho LEE, Kyuong Sik CHIN, Sung Hun CHOI, Dong In HA
  • Patent number: 9382418
    Abstract: A thermoplastic resin composition and a molded article using the same. The thermoplastic resin composition includes a base resin including a polycarbonate resin and a polysiloxane-polycarbonate copolymer resin, an impact modifier, a phosphorus flame retardant, and inorganic fillers, wherein the inorganic fillers include wollastonite and talc, and the wollastonite has an average diameter of 5 ?m to 10 ?m and an aspect ratio (diameter:length) of 1:7 to 1:9. The thermoplastic resin composition can exhibit excellent properties in terms of tensile elongation, flexural strength, impact resistance, and balance therebetween.
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: July 5, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ji Yea Kim, Sung Hun Choi, Jun Myung Kim, Seung Shik Shin, Dong Kil Choi
  • Patent number: 9340671
    Abstract: Disclosed herein are a thermoplastic resin composition and a molded article produced therefrom. The thermoplastic resin composition includes a thermoplastic resin, an inorganic filler, and a maleic anhydride (MAH)-grafted rubber, and has a coefficient of linear expansion from about 20×10?6 cm/cm° C. to about 35×10?6 cm/cm° C., as measured in accordance with ASTM D696. The thermoplastic resin composition can exhibit low shrinkage, excellent impact resistance and excellent flexural modulus and can have a good balance therebetween.
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: May 17, 2016
    Assignee: Cheil Industries Inc.
    Inventors: Dong In Ha, Dong Min Park, Seung Shik Shin, Kyuong Sik Chin
  • Patent number: 9334401
    Abstract: Disclosed herein is a thermoplastic resin composition, which includes a polycarbonate resin; and a rubber-reinforced vinyl copolymer, wherein the rubber-reinforced vinyl copolymer comprises a matrix including a branched vinyl copolymer which is a polymer of a monomer mixture including an alkyl (meth)acrylate and a reactive monomer, and a dispersed rubbery polymer in the matrix. The thermoplastic resin composition can exhibit excellent impact resistance and/or flowability.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: May 10, 2016
    Assignee: Cheil Industries Inc.
    Inventors: Dong Kil Choi, Pil Ho Kim, Seung Shik Shin
  • Patent number: 9133323
    Abstract: 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: Grant
    Filed: June 24, 2013
    Date of Patent: September 15, 2015
    Assignee: Cheil Industries Inc.
    Inventors: Hwan Seok Park, Seung Shik Shin, Kyuong Sik Chin, Yun Ku Nam, Jong Tae Yoon