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).
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Patent number: 8653179Abstract: The present invention relates to a polycarbonate resin composition that can have excellent light stability and dimensional stability, including: (A) 70 to 95 parts by weight of a thermoplastic polycarbonate resin; (B) 5 to 40 parts by weight of a thermoplastic non-crystalline polyester copolymer; (C) 5 to 50 parts by weight of titanium dioxide; (D) 0.1 to 10 parts by weight of an organic siloxane copolymer; and (E) 0.05 to 5 parts by weight of a fluorinated polyolefin-based resin. The polycarbonate resin composition can have excellent light stability and dimensional stability and also can have excellent mechanical strength without reduced impact strength and workability. The polycarbonate resin composition can be used in molded products such as LCD backlight parts requiring product dimensional stability and other parts requiring light stability.Type: GrantFiled: November 12, 2010Date of Patent: February 18, 2014Assignee: Cheil Industries Inc.Inventors: Hyuk-Jin Jung, Jong-Cheol Lim
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Patent number: 8450403Abstract: Disclosed are a branched polycarbonate resin composition that includes: (A) a polycarbonate resin; (B) a polymer including a reactive group being capable of reacting with a hydroxyl group; and (C) an ionic compound including an alkali metal ion, organic cation, or a combination thereof, and a branched polycarbonate resin and a molded product using the same.Type: GrantFiled: December 21, 2009Date of Patent: May 28, 2013Assignee: Cheil Industries Inc.Inventors: Chan-Gyun Shin, Sung-Hun Kim, Tae-Uk Kim, Jong-Cheol Lim, Young-Jun Lee
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Publication number: 20110065848Abstract: The flame retardant polycarbonate resin composition of the present invention includes (A) a polycarbonate resin, (B) a rubber-modified vinyl-based graft copolymer, (C) a metal salt of sulfonic acid, and (D) an anti-drip agent including a fluorinated terpolymer. The polycarbonate resin composition of the present invention can have excellent flame retardancy, heat resistance, and mechanical strength, well-balanced mechanical properties such as impact resistance, heat resistance, and fine workability, and an excellent appearance characteristic. Therefore, it can be useful for fabrication of molded products such as electric household appliances, office appliances, electrical and electronic devices, and internal parts thereof.Type: ApplicationFiled: November 12, 2010Publication date: March 17, 2011Applicant: CHEIL INDUSTRIES INC.Inventors: Hyuk-Jin JUNG, Jong-Cheol LIM, Sang-Hwa LEE
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Publication number: 20110060084Abstract: The present invention relates to a polycarbonate resin composition that can have excellent light stability and dimensional stability, including: (A) 70 to 95 parts by weight of a thermoplastic polycarbonate resin; (B) 5 to 40 parts by weight of a thermoplastic non-crystalline polyester copolymer; (C) 5 to 50 parts by weight of titanium dioxide; (D) 0.1 to 10 parts by weight of an organic siloxane copolymer; and (E) 0.05 to 5 parts by weight of a fluorinated polyolefin-based resin. The polycarbonate resin composition can have excellent light stability and dimensional stability and also can have excellent mechanical strength without reduced impact strength and workability. The polycarbonate resin composition can be used in molded products such as LCD backlight parts requiring product dimensional stability and other parts requiring light stability.Type: ApplicationFiled: November 12, 2010Publication date: March 10, 2011Applicant: CHEIL INDUSTRIES INC.Inventors: Hyuk-Jin JUNG, Jong-Cheol LIM
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Publication number: 20100160572Abstract: Disclosed are a branched polycarbonate resin composition that includes: (A) a polycarbonate resin; (B) a polymer including a reactive group being capable of reacting with a hydroxyl group; and (C) an ionic compound including an alkali metal ion, organic cation, or a combination thereof, and a branched polycarbonate resin and a molded product using the same.Type: ApplicationFiled: December 21, 2009Publication date: June 24, 2010Applicant: CHEIL INDUSTRIES INC.Inventors: Chan-Gyun SHIN, Sung-Hun KIM, Tae-Uk KIM, Jong-Cheol LIM, Young-Jun LEE
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Patent number: 7691924Abstract: 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: GrantFiled: August 21, 2006Date of Patent: April 6, 2010Assignee: Cheil IndustriesInventors: Jong-Cheol Lim, Sang Hyun Hong, Kyung-Hoon Seo, Sam-Joo Yang
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Publication number: 20090166593Abstract: 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: ApplicationFiled: December 30, 2008Publication date: July 2, 2009Applicant: CHEIL INDUSTRIES INC.Inventors: Tae-Kyun KIM, Jong-Cheol LIM
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Patent number: 7138445Abstract: 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: GrantFiled: December 8, 2003Date of Patent: November 21, 2006Assignee: 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
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Patent number: 6900256Abstract: 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: GrantFiled: August 19, 2002Date of Patent: May 31, 2005Assignee: Cheil Industries Inc.Inventors: Jong-Cheol Lim, Kyung-Hoon Seo, Sam-Joo Yang
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Publication number: 20040122139Abstract: 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: ApplicationFiled: December 8, 2003Publication date: June 24, 2004Applicant: 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
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Patent number: 6576161Abstract: 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: GrantFiled: November 28, 2001Date of Patent: June 10, 2003Assignee: Cheil Industries, Inc.Inventors: Jong-Cheol Lim, Kyung-Hoon Seo, Sam-Joo Yang
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Publication number: 20030040560Abstract: 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.Type: ApplicationFiled: August 19, 2002Publication date: February 27, 2003Applicant: Cheil Industries Inc.Inventors: Jong-Cheol Lim, Kyung-Hoon Seo, Sam-Joo Yang
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Patent number: 6437029Abstract: The present invention relates to a flame retardant thermoplastic resin composition that comprises a polycarbonate resin, a rubber modified styrene-grafted copolymer, a styrene-containing copolymer, a (meth)acrylic acid ester copolymer, a phosphoric acid ester as a flame retardant and a fluorinated polyolefin resin, which does not show coalescence of the domain resin that might be caused by the low viscosity at a high temperature, and poor flame retardancy, weld-line strength and mechanical properties such as impact strength, and which has a good balance of physical properties such as impact strength, heat resistance, heat stability, processability and appearance.Type: GrantFiled: December 29, 2000Date of Patent: August 20, 2002Assignee: Cheil Industries Inc.Inventors: Jong-Cheol Lim, Kyung-Hoon Seo, Sam-Joo Yang
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Publication number: 20020091180Abstract: 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.Type: ApplicationFiled: November 28, 2001Publication date: July 11, 2002Applicant: Cheil Industries Inc.Inventors: Jong-Cheol Lim, Kyung-Hoon Seo, Sam-Joo Yang
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Publication number: 20020077392Abstract: The present invention relates to a flame retardant thermoplastic resin composition that comprises a polycarbonate resin, a rubber modified styrene-grafted copolymer, a styrene-containing copolymer, a (meth)acrylic acid ester copolymer, a phosphoric acid ester as a flame retardant and a fluorinated polyolefin resin, which does not show coalescence of the domain resin that might be caused by the low viscosity at a high temperature, and poor flame retardancy, weld-line strength and mechanical properties such as impact strength, and which has a good balance of physical properties such as impact strength, heat resistance, heat stability, processability and appearance.Type: ApplicationFiled: December 29, 2000Publication date: June 20, 2002Applicant: CHEIL INDUSTRIES INC.Inventors: Jong-Cheol Lim, Kyung-Hoon Seo, Sam-Joo Yang