Patents by Inventor Jong-Cheol Lim

Jong-Cheol Lim 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).

  • Publication number: 20100157217
    Abstract: A thermoplastic polycarbonate resin composition which can have excellent light stability and flame retardancy includes about 100 parts by weight of a polycarbonate base resin (A); about 0.1 to about 5 parts by weight of a polyorganosiloxane-containing graft copolymer (B); about 5 to about 50 parts by weight of titanium dioxide (C); and about 0.1 to about 5 parts by weight of a fluorinated polyolefin-based resin (D). The thermoplastic polycarbonate resin composition may further include about 5 to about 50 parts by weight of a filler (E).
    Type: Application
    Filed: December 8, 2009
    Publication date: June 24, 2010
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Pil Ho KIM, Jong Cheol LIM, Eun Young PARK
  • Publication number: 20100152358
    Abstract: A polycarbonate resin composition of the present invention comprises (A) about 30 to about 95 parts by weight of thermoplastic polycarbonate resin; (B) about 1 to about 50 parts by weight of rubber-modified-vinyl graft copolymer; (C) about 0 to about 50 parts by weight of vinyl copolymer; and (D) about 1 to about 50 parts by weight of amorphous thermoplastic polyester copolymer. The resin composition of the present invention can have excellent physical properties such as weld line strength, fluidity, impact resistance, and heat resistance.
    Type: Application
    Filed: November 10, 2009
    Publication date: June 17, 2010
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Hyuk Jin Jung, Jong Cheol Lim
  • Patent number: 7691924
    Abstract: The present invention relates to a flame retardant polycarbonate thermoplastic resin composition that comprises a polycarbonate resin, a rubber modified vinyl-grafted copolymer, a phosphorous mixture of a cyclic phosphazene oligomer compound and a phosphate ester morpholide compound or a phosphoric acid ester as a flame retardant, and, optionally, a fluorinated polyolefin resin, which has good flame retardancy, heat resistance, mechanical strength, impact strength, heat stability, processability, and appearance.
    Type: Grant
    Filed: August 21, 2006
    Date of Patent: April 6, 2010
    Assignee: Cheil Industries
    Inventors: Jong-Cheol Lim, Sang Hyun Hong, Kyung-Hoon Seo, Sam-Joo Yang
  • Patent number: 7659332
    Abstract: One aspect of the invention relates to a flame retardant thermoplastic resin composition. The invention also relates to a method of making the foregoing composition and an article made from the foregoing composition.
    Type: Grant
    Filed: June 26, 2007
    Date of Patent: February 9, 2010
    Assignee: Cheil Industries Inc.
    Inventors: Tae Gon Kang, Jong Cheol Lim
  • Publication number: 20090253855
    Abstract: Disclosed herein is a polycarbonate-polysiloxane copolymer resin composition comprising: (A) about 100 parts by weight of a thermoplastic polycarbonate resin; and (B) about 0.1 to about 30 parts by weight of an organic siloxane polymer having a primary amine group. The polycarbonate-polysiloxane copolymer resin composition has high impact strength at low temperature and high mechanical strength.
    Type: Application
    Filed: June 16, 2009
    Publication date: October 8, 2009
    Applicant: Cheil Industries Inc.
    Inventors: Bo Young KIM, Tae Gon KANG, Jong Cheol LIM
  • Publication number: 20090253856
    Abstract: Disclosed herein is a polycarbonate-polysiloxane copolymer resin composition comprising: (A) about 100 parts by weight of a thermoplastic polycarbonate resin; and (B) about 0.1 to about 30 parts by weight of an organo-siloxane polymer having an epoxy group. The polycarbonate-polysiloxane copolymer resin composition has high impact strength at low temperature and high mechanical strength.
    Type: Application
    Filed: June 16, 2009
    Publication date: October 8, 2009
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Bo Young KIM, Jong Cheol LIM, Tae Gon KANG
  • Publication number: 20090239986
    Abstract: Disclosed herein is a flame retardant thermoplastic polyester resin composition comprising: (A) about 100 parts by weight of a polyester resin; (B) about 1 to about 60 parts by weight of a cyclic oligomeric phosphazene compound; (C) about 1 to about 50 parts by weight of a melamine compound; (D) about 1 to about 20 parts by weight of a inorganic metal compound; and (E) about 0.1 to about 5 parts by weight of a fluorinated polyolefin resin. The thermoplastic polyester resin composition may further contain a filler (F).
    Type: Application
    Filed: June 2, 2009
    Publication date: September 24, 2009
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Pil Ho Kim, Jong Cheol Lim, In Sik Shim
  • Publication number: 20090239975
    Abstract: Disclosed herein is a polycarbonate resin composition having good flame retardancy and light stability which can be useful for a LCD backlight component comprising: about 60 to about 95 parts by weight of a thermoplastic polycarbonate resin, and about 5 to about 40 parts by weight of a polyethylene naphthalate-terephthalate copolymer, about 5 to about 50 parts by weight of titanium dioxide based on about 100 parts by weight of a base resin comprising the thermoplastic polycarbonate resin and the polyethylene naphthalate-terephthalate copolymer, about 0.1 to about 10 parts by weight of an organosiloxane polymer based on about 100 parts by weight of a base resin comprising the thermoplastic polycarbonate resin and the polyethylene naphthalate-terephthalate copolymer, and about 0.05 to about 5 parts by weight of a fluorinated polyolefin resin based on about 100 parts by weight of a base resin comprising the thermoplastic polycarbonate resin and the polyethylene naphthalate-terephthalate copolymer.
    Type: Application
    Filed: June 5, 2009
    Publication date: September 24, 2009
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Hyuk Jin JUNG, Jong Cheol LIM, Sang Hwa LEE, Jong Yeun KIM
  • Publication number: 20090166593
    Abstract: An antistatic thermoplastic resin composition includes a thermoplastic resin, an anionic antistatic agent, and a conductive metal oxide. The antistatic thermoplastic resin composition has enough antistatic properties to form various shapes of product, and it is particularly applicable for the production of housings of electro-electronic products or delivery trays for manufacturing an electro-electronic product.
    Type: Application
    Filed: December 30, 2008
    Publication date: July 2, 2009
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Tae-Kyun KIM, Jong-Cheol LIM
  • Patent number: 7550523
    Abstract: The present invention relates to a flame retardant polycarbonate thermoplastic resin composition that comprises a polycarbonate resin, a rubber modified vinyl-grafted copolymer, a phosphorous mixture of a cyclic phosphazene oligomer compound and a phosphate ester morpholide compound as a flame retardant, and a fluorinated polyolefin resin, which has good flame retardancy, heat resistance, mechanical strength, impact strength, heat stability, processability, and appearance.
    Type: Grant
    Filed: November 7, 2001
    Date of Patent: June 23, 2009
    Assignee: Cheil Industries Inc.
    Inventors: Jong Cheol Lim, Kyung Hoon Seo, Sam Joo Yang
  • Patent number: 7511088
    Abstract: The flame retardant thermoplastic resin composition of the present invention comprises (A) 45˜95 parts by weight of a polycarbonate resin; (B) 1˜50 parts by weight of a rubber modified vinyl graft copolymer; (C) 0˜50 parts by weight of a vinyl copolymer; (D) 1˜30 parts by weight of a mixture of organic phosphorous compounds consisting of (d1) 1˜50% by weight of a oligomeric compound of cyclic phosphazene and (d2) 99˜50% by weight of an oligomeric phosphoric acid ester compound, per 100 parts by weight of the sum of (A), (B) and (C); and (E) 0.05˜5 parts by weight of a fluorinated polyolefin resin per 100 parts by weight of the sum of (A), (B) and (C).
    Type: Grant
    Filed: September 30, 2002
    Date of Patent: March 31, 2009
    Assignee: Cheil Industries Inc.
    Inventors: Jong Cheol Lim, Sam Joo Yang
  • Patent number: 7498370
    Abstract: The flame retardant thermoplastic resin composition of the present invention comprises (A) 45-95 parts by weight of a thermoplastic polycarbonate resin; (B) 1-50 parts by weight of a vinyl graft copolymer; (C) 0-50 parts by weight of a vinyl copolymer or a mixture of vinyl copolymers; (D) 1-30 parts by weight of a mixture of organic phosphorous compounds (D-1) 5-95 parts by weight of a monomeric phosphoric acid ester compound or a mixture of monomeric phosphoric acid ester compounds and (D-2) 95-5 parts by weight of an oligomeric phosphoric acid ester compound or a mixture of oligomeric phosphoric acid ester compounds, per 100 parts by weight of the sum of (A), (B) and (C); and (E) 0.05-5 parts by weight of a fluorinated polyolefin resin per 100 parts by weight of the sum of (A), (B) and (C).
    Type: Grant
    Filed: September 30, 2002
    Date of Patent: March 3, 2009
    Assignee: Cheil Industries Inc.
    Inventors: Jong Cheol Lim, Sam Joo Yang
  • Publication number: 20080269401
    Abstract: Provided is a polymer alloy composition having excellent fatigue resistance, impact resistance and chemical resistance. The composition comprises about 30 to about 80% by weight of a polycarbonate resin, about 20 to about 70% by weight of a polyester resin having an intrinsic viscosity of about 1.2 to about 2, and about 0.5 to about 20 parts by weight of an impact modifier, based on about 100 parts by weight of the polycarbonate resin and the polyester resin.
    Type: Application
    Filed: June 30, 2008
    Publication date: October 30, 2008
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Bong Jae LEE, Sung Sig MIN, Tae Gon KANG, Jong Cheol LIM
  • Publication number: 20080182926
    Abstract: The present invention relates to a flame retardant polycarbonate thermoplastic resin composition that comprises a polycarbonate resin, a rubber modified vinyl-grafted copolymer, a phosphorous mixture of a cyclic phosphazene oligomer compound and a phosphate ester morpholide compound or a phosphoric acid ester as a flame retardant, and, optionally, a fluorinated polyolefin resin, which has good flame retardancy, heat resistance, mechanical strength, impact strength, heat stability, processability, and appearance.
    Type: Application
    Filed: August 21, 2006
    Publication date: July 31, 2008
    Applicant: CHEIL INDUSTRIES
    Inventors: Jong Cheol Lim, Sang Hyun Hong, Kyung Hoon Seo, Sam Joo Yang
  • Publication number: 20080167410
    Abstract: Disclosed herein are a polyester resin composition and a plastic article produced from the resin composition. The polyester resin composition comprises about 100 parts by weight of a polybutylene terephthalate base resin, about 10 to about 50 parts by weight of a polyethylene terephthalate glycol resin, about 0.1 to about 10 parts by weight of an inorganic filler, and about 0.01 to about 5 parts by weight of a resin stabilizer.
    Type: Application
    Filed: December 28, 2007
    Publication date: July 10, 2008
    Inventors: In Sik SHIM, Jong Cheol Lim
  • Publication number: 20080132614
    Abstract: The present invention relates to a polycarbonate resin composition that comprises (A) about 50 to about 95 parts by weight of a polycarbonate resin, (B) about 5 to about 50 parts by weight of a poly(meth)acrylic acid alkyl ester resin, (C) about 1 to about 30 parts by weight of a titanium dioxide, (D) about 1 to about 50 parts by weight of a vinyl graft copolymer prepared by graft-polymerizing (d1) about 5 to about 95 parts by weight of a monomer mixture comprising (d11) about 50 to about 95 parts by weight of styrene, ?-methylstyrene, halogen- or C1-C8 alkyl-substituted styrene, C1-C8 methacrylic acid alkyl ester, C1-C8 acrylic acid alkyl ester or a mixture thereof and (d12) about 5 to about 50 parts by weight of acrylonitrile, methacrylonitrile, C1-C8 methacrylic acid alkyl ester, C1-C8 acrylic acid alkyl ester, maleic anhydride, C1-C4 alkyl- or phenyl N-substituted maleimide or a mixture thereof onto (d2) about 5 to about 95 parts by weight of a rubber polymer selected from the group consisting of acryl ru
    Type: Application
    Filed: December 28, 2007
    Publication date: June 5, 2008
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Hyuk Jin JUNG, Jong Cheol LIM, Tae Gon KANG
  • Patent number: 7138445
    Abstract: The present invention relates to a flame retardant thermoplastic resin composition that contains a phenol resin derivative having good char formability, regardless of the base resin. A flame retardant thermoplastic resin composition according to the present invention comprises (A) 100 parts by weight of a thermoplastic resin as a base resin, (B) about 0.1˜100 parts by weight of a phenol resin derivative, and (C) about 0.1˜50 parts by weight of a phosphoric acid ester morpholide compound or a mixture of phosphoric acid ester morpholide compounds. Another flame retardant thermoplastic resin composition according to the present invention comprises (A) 100 parts by weight of a thermoplastic resin as a base resin, (B) about 0.1˜100 parts by weight of polyphenylene ether, (C) about 0.1˜100 parts by weight of a phenol resin derivative, and (D) about 0.1˜50 parts by weight of a phosphoric acid ester morpholide compound or a mixture of phosphoric acid ester morpholide compounds.
    Type: Grant
    Filed: December 8, 2003
    Date of Patent: November 21, 2006
    Assignee: Cheil Industries Inc.
    Inventors: Jae Ho Yang, Sang Hyun Hong, Gyu Chul Lee, Bok Nam Jang, Young Gil Jang, Sung Hee Ahn, Su Hak Bae, Jong-Cheol Lim, Kyung-Hoon Seo, Sam-Joo Yang
  • Patent number: 7094818
    Abstract: The present invention relates to a flame retardant polycarbonate thermoplastic resin composition that comprises a polycarbonate resin, a rubber modified vinyl-grafted copolymer, a phosphorous mixture of a cyclic phosphazene oligomer compound and a phosphoric acid ester as a flame retardant, and a fluorinated polyolefin resin.
    Type: Grant
    Filed: November 7, 2001
    Date of Patent: August 22, 2006
    Assignee: Cheil Industries, Inc.
    Inventors: Jong Cheol Lim, Sang Hyun Hong, Kyung Hoon Seo, Sam Joo Yang
  • Publication number: 20060014863
    Abstract: The flame retardant thermoplastic resin composition of the present invention comprises (A) 45˜95 parts by weight of a thermoplastic polycarbonate resin; (B) 1˜50 parts by weight of a vinyl graft copolymer; (C) 0˜50 parts by weight of a vinyl copolymer or a mixture of vinyl copolymers; (D) 1˜30 parts by weight of a mixture of organic phosphorous compounds consisting of (D-1) 5˜95 parts by weight of a monomeric phosphoric acid ester compound or a mixture of monomeric phosphoric acid ester compounds and (D-2) 95˜5 parts by weight of an oligomeric phosphoric acid ester compound or a mixture of oligomeric phosphoric acid ester compounds, per 100 parts by weight of the sum of (A), (B) and (C); and (E) 0.05˜5 parts by weight of a fluorinated polyolefin resin per 100 parts by weight of the sum of (A), (B) and (C).
    Type: Application
    Filed: September 30, 2002
    Publication date: January 19, 2006
    Applicant: CHEIL INDUSTRIES INC
    Inventors: Jong Cheol Lim, Sam Yang
  • Patent number: 6900256
    Abstract: The present invention relates to polyphosphate ester morpholides, compositions comprising mixtures thereof and thermoplastic resin compositions containing the polyphosphate ester morpholide composition as a flame retardant. The flame retardant compositions comprise mixtures of polyphosphate ester morpholides which are represented by the following general formula I: in which X is 1 or 2; R1 is a C6-C20 aryl group, an alkyl substituted C6-C20 aryl group or a derivative thereof; R2 is a C6-C30 arylene group, an alkyl substituted C6-C30 arylene group or a derivative thereof; n is the average number of morpholide repeating units, m is the average number of R1 repeating units, and n+m is 1 to 5. In accordance with the present invention, it is possible to provide a flame retardant thermoplastic resin compositions having improved flame retardancy even when small amounts of the flame retardant are used.
    Type: Grant
    Filed: August 19, 2002
    Date of Patent: May 31, 2005
    Assignee: Cheil Industries Inc.
    Inventors: Jong-Cheol Lim, Kyung-Hoon Seo, Sam-Joo Yang