Patents by Inventor Jun Myung Kim

Jun Myung 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).

  • 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
  • Publication number: 20150247038
    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: Application
    Filed: February 26, 2015
    Publication date: September 3, 2015
    Inventors: Ji Yea KIM, Sung Hun CHOI, Jun Myung KIM, Seung Shik SHIN, Dong Kil CHOI
  • Patent number: 8389628
    Abstract: 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: Grant
    Filed: December 28, 2009
    Date of Patent: March 5, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Jee Kwon Park, Jin Hwan Choi, Kang Yeol Park, Jun Myung Kim, Jae Won Lee
  • Patent number: 8080618
    Abstract: Disclosed herein is a thermoplastic resin composition with good heat stability, light stability and impact strength. In an exemplary embodiment, the thermoplastic resin composition comprises (A) about 10 to about 99 parts by weight of an epoxy group-containing styrenic resin; (B) about 1 to about 90 parts by weight of a polyester resin; (C) about 0.1 to about 10 parts by weight of a thermoplastic polyester resin comprising a cycloaliphatic diol such as cyclohexane dimethanol, per about 100 parts by weight of a base resin comprising (A)+(B); (D) about 0.05 to about 2 parts by weight of a hindered phenolic compound, per about 100 parts by weight of a base resin comprising (A)+(B); (E) about 0.05 to about 4 parts by weight of a phosphite compound, per about 100 parts by weight of a base resin comprising (A)+(B); and (F) about 0.
    Type: Grant
    Filed: June 3, 2009
    Date of Patent: December 20, 2011
    Assignee: Cheil Industries Inc.
    Inventors: Jun Myung Kim, Jin Hwan Choi, Jee Kwon Park, Jae Won Lee
  • Patent number: 8080611
    Abstract: 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: Grant
    Filed: June 10, 2010
    Date of Patent: December 20, 2011
    Assignee: Cheil Industries Inc.
    Inventors: Jee Kwon Park, Jun Myung Kim, Jin Hwan Choi, Jae Won Lee
  • Patent number: 8080619
    Abstract: 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: Grant
    Filed: July 8, 2009
    Date of Patent: December 20, 2011
    Assignee: Cheil Industries Inc.
    Inventors: Jae Won Lee, Jin Hwan Choi, Jun Myung Kim, Jee Kwon Park
  • Publication number: 20110159259
    Abstract: A molded article for an electronic device housing having a thickness of about 0.2 to about 2 mm and an apparent specific gravity of about 0.8 to about 2.5 g/ml is provided. A method for preparing the molded article for an electronic device housing includes extrusion molding a thermoplastic resin composition to form a continuous profile extrudate with a prescribed cross-sectional shape; and vacuum forming the continuous profile extrudate to form a molded article with a thickness of about 0.2 to about 2 mm and an apparent specific gravity of about 0.8 to about 2.5 g/ml.
    Type: Application
    Filed: December 29, 2010
    Publication date: June 30, 2011
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Jee Kwon Park, Jin Hwan Choi, Kang Yeol Park, Jun Myung Kim, Jae Won Lee, Yoon Sook Lim
  • Patent number: 7919559
    Abstract: Disclosed herein is a chemical-resistant and impact-resistant thermoplastic resin composition having excellent hydrolysis resistance. The thermoplastic resin composition comprises (A) about 1 to about 97.9% by weight of an epoxy group-containing vinyl copolymer resin; (B) about 1 to about 97.9% by weight of a rubber modified aromatic vinyl copolymer resin; (C) about 1 to about 97.9% by weight of a polyester resin; and (D) about 0.1 to about 97% by weight of an amorphous cycloaliphatic diol modified polyester.
    Type: Grant
    Filed: December 16, 2008
    Date of Patent: April 5, 2011
    Assignee: Cheil Industries Inc.
    Inventors: Jee Kwon Park, Jun Myung Kim, Jin Hwan Choi, Jae Won Lee
  • Publication number: 20100249314
    Abstract: 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: Application
    Filed: June 10, 2010
    Publication date: September 30, 2010
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Jee Kwon PARK, Jun Myung KIM, Jin Hwan CHOI, Jae Won LEE
  • Publication number: 20100168315
    Abstract: 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: Application
    Filed: December 28, 2009
    Publication date: July 1, 2010
    Inventors: Jee Kwon PARK, Jin Hwan CHOI, Kang Yeol PARK, Jun Myung KIM, Jae Won LEE
  • Publication number: 20100152359
    Abstract: An environmentally sound thermoplastic resin composition using a recycled polyester resin according to the present invention comprises (A) 1 to 98 parts by weight of a recycled polyester resin; (B) 1 to 80 parts by weight of a modified aromatic vinyl-vinyl cyanide copolymer resin comprising a functional group capable of reacting with polyester; and (C) 98 to 1 part by weight of an aromatic vinyl graft copolymer resin.
    Type: Application
    Filed: November 30, 2009
    Publication date: June 17, 2010
    Inventors: Jee Kwon PARK, Jin Hwan CHOI, Kang Yeol PARK, Jun Myung KIM, Jae Won LEE
  • Publication number: 20100010146
    Abstract: 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: Application
    Filed: July 8, 2009
    Publication date: January 14, 2010
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Jae Won LEE, Jin Hwan CHOI, Jun Myung KIM, Jee Kwon PARK
  • Publication number: 20090318588
    Abstract: Disclosed herein is a thermoplastic resin composition with good heat stability, light stability and impact strength. In an exemplary embodiment, the thermoplastic resin composition comprises (A) about 10 to about 99 parts by weight of an epoxy group-containing styrenic resin; (B) about 1 to about 90 parts by weight of a polyester resin; (C) about 0.1 to about 10 parts by weight of a thermoplastic polyester resin comprising a cycloaliphatic diol such as cyclohexane dimethanol, per about 100 parts by weight of a base resin comprising (A)+(B); (D) about 0.05 to about 2 parts by weight of a hindered phenolic compound, per about 100 parts by weight of a base resin comprising (A)+(B); (E) about 0.05 to about 4 parts by weight of a phosphite compound, per about 100 parts by weight of a base resin comprising (A)+(B); and (F) about 0.
    Type: Application
    Filed: June 3, 2009
    Publication date: December 24, 2009
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Jun Myung KIM, Jin Hwan CHOI, Jee Kwon PARK, Jae Won LEE
  • Publication number: 20090170735
    Abstract: Disclosed herein is a chemical-resistant and impact-resistant thermoplastic resin composition having excellent hydrolysis resistance. The thermoplastic resin composition comprises (A) about 1 to about 97.9% by weight of an epoxy group-containing vinyl copolymer resin; (B) about 1 to about 97.9% by weight of a rubber modified aromatic vinyl copolymer resin; (C) about 1 to about 97.9% by weight of a polyester resin; and (D) about 0.1 to about 97% by weight of an amorphous cycloaliphatic diol modified polyester.
    Type: Application
    Filed: December 16, 2008
    Publication date: July 2, 2009
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Jee Kwon PARK, Jun Myung KIM, Jin Hwan CHOI, Jae Won LEE