Patents Assigned to CHEIL INDUSTRY, INC.
  • Transparent ABS resin composition having excellent impact strength and flowability
    Patent number: 8232342
    Abstract: One aspect of the invention relates to a transparent ABS resin composition having excellent impact resistance and flowability, which comprises about 10 to about 50 parts by weight of a rubber/(meth)acrylate-aromatic vinyl-unsaturated nitrile graft copolymer; about 50 to about 90 parts by weight of a thermoplastic resin matrix; and about 0.2 to about 0.5 parts by weight of a fluidizer, per 100 parts by weight of a base resin comprising the rubber/(meth)acrylate-aromatic vinyl-unsaturated nitrile graft copolymer and the thermoplastic resin matrix.
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: July 31, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Young Sub Jin, Jae Keun Hong, Hwan Seok Park, Byeong Do Lee
  • Environmentally-friendly polylactic acid resin composition
    Patent number: 8232343
    Abstract: An environmentally-friendly polylactic acid resin composition includes (A) a mixed resin including (a1) a polylactic acid (PLA) resin and (a2) a polycarbonate resin, and (B) a compatibilizer capable of forming a stereo-complex with the polylactic acid resin. According to the present invention, the polylactic acid resin composition is environmentally-friendly and has excellent appearance and improved welding impact strength, as well as improved mechanical strength and heat resistance. Accordingly, it can be used for manufacturing various molded products requiring heat resistance and mechanical strength, for example electronic parts, office machines, miscellaneous goods, and the like.
    Type: Grant
    Filed: May 1, 2009
    Date of Patent: July 31, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Young-Mi Chung, Chang-Do Jung, Young-Jun Lee, Ji-Won Pack, Young-Chul Kwon, Hyung-Tak Lee, Jin-Kyung Cho
  • Transparent thermoplastic resin and method for preparing the same
    Patent number: 8232349
    Abstract: Disclosed herein is a transparent thermoplastic resin comprising a rubber phase including an aromatic rubbery block copolymer resin, and a resin phase including a terpolymer comprising an aromatic vinyl compound, a vinyl cyanide compound and an unsaturated alkyl ester compound, wherein the rubber phase and the resin phase have a co-continuous phase structure.
    Type: Grant
    Filed: November 3, 2008
    Date of Patent: July 31, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Jae Keun Hong, Byeong Do Lee, Young Sub Jin, Hwan Seok Park, Ho Ryong Sun
  • Liquid Crystal Alignment Agent, Liquid Crystal Alignment Film Manufactured Using the Same, and Liquid Crystal Display Device Including the Liquid Crystal Alignment Film
    Publication number: 20120190801
    Abstract: A liquid crystal alignment agent is provided that includes a polymer including polyamic acid including a repeating unit represented by the following Chemical Formula 1, polyimide including a repeating unit represented by the following Chemical Formula 2, or a combination thereof. In Chemical Formulae 1 and 2, each X1, X2, Y1 and Y2 is the same as in the detailed description.
    Type: Application
    Filed: September 23, 2011
    Publication date: July 26, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Eun-Ha KIM, Myoung-Youp SHIN, Jae-Deuk YANG, Yong-Sik YOO, Guk-Pyo JO, Jung-Gon CHOI
  • Long Glass Fiber Reinforced Resin Composite and Method for Preparing the Same
    Publication number: 20120190785
    Abstract: A long glass reinforced resin composite of the present invention may comprise two kinds of thermoplastic matrix resin (a1, a2) which have different viscosities and a long glass fiber (B). The method of preparing the long glass reinforced resin composite comprises preparing a LFT (Long fiber thermoplastic) master-batch composition by impregnating the long glass fiber (B) of continuous phase into the low viscosity thermoplastic resin (a2), and compounding the LFT (Long fiber thermoplastic) master-hatch composition with high viscosity thermoplastic resin. The long glass fiber reinforced resin composite of the present invention has excellent mechanical properties such as impact strength, tensile strength, and flexural modulus.
    Type: Application
    Filed: December 29, 2011
    Publication date: July 26, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Kyun Ha Ban, Chang Min Hong, Sung Hyo Lee
  • EMI/RFI shielding resin composite material and molded product made using the same
    Patent number: 8221654
    Abstract: Disclosed is an electromagnetic wave interference (EMI)/radio frequency interference (RFI) shielding resin composite material including (A) a thermoplastic polymer resin, (B) a tetrapod whisker, and (C) a low melting point metal.
    Type: Grant
    Filed: December 10, 2009
    Date of Patent: July 17, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Sung-Jun Kim, Chang-Min Hong
  • Weather resistant thermoplastic resin having excellent low gloss characteristics and method of preparing the same
    Patent number: 8222344
    Abstract: A weather resistant thermoplastic resin having excellent low gloss characteristics according to the present invention comprises a (meth)acrylic acid alkyl ester-based polymer (A) and an aromatic vinyl-cyanide vinyl based copolymer (B), wherein the (meth)acrylic acid alkyl ester-based polymer (A) forms a network-shaped disperse phase, and the aromatic vinyl-cyanide vinyl based copolymer (B) forms a continuous phase. The thermoplastic resin has excellent low gloss characteristics as well as superior weatherability, impact resistance, thermal resistance, delamination characteristics, and the like.
    Type: Grant
    Filed: October 26, 2009
    Date of Patent: July 17, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Young Sub Jin, Sung Kwan Kim, Hwan Seok Park, Jae Keun Hong, Byeong Do Lee, Ho Ryong Sun, Bong Sil Jang, Chul In Lim
  • Thermoplastic resin composition with EMI shielding properties
    Patent number: 8222321
    Abstract: The present invention provides a thermoplastic resin composition comprising (A) a thermoplastic resin, and (B) a carbon nanofiber-metal composite including a plurality of laminated truncated, conic graphenes continuously coated with a metal. The thermoplastic resin composition according to the present invention can have excellent EMI shielding properties.
    Type: Grant
    Filed: December 15, 2010
    Date of Patent: July 17, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Kyoung Tae Youm, Young Sik Ryu, Young Sil Lee
  • Symmetric cyclic phosphonate compound, method of preparing the same and flame retardant styrenic resin composition including the same
    Patent number: 8222329
    Abstract: Disclosed herein is a symmetric cyclic phosphonate compound represented by the following Formula 1, a method of preparing the same and a flame retardant styrenic resin composition including the same: wherein R1 and R2 are each independently hydrogen, C1-C6 alkyl or C6-C20 aryl. The styrene resin composition employing the symmetric cyclic phosphonate compound exhibits good flame retardancy and impact strength, does not release halide gas during preparation or combustion of the resin composition, and thus is environmentally friendly.
    Type: Grant
    Filed: February 5, 2010
    Date of Patent: July 17, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Beom Jun Joo, Sang Hyen Hong, Min Soo Lee, Byun Kun Lee
  • Polycarbonate resin composition having good flame retardancy
    Patent number: 8222330
    Abstract: A polycarbonate resin composition comprises: about 30 to about 99% by weight of a polycarbonate resin (A); and about 1 to about 70% by weight of a rubber modified aromatic vinyl based copolymer resin (B); and about 0.1 to about 40 parts by weight of a phosphorous compound (C) including a phosphate compound (C1) and a phosphonate compound (C2), per 100 parts by weight of a base resin including (A) and (B). The polycarbonate resin composition can have excellent flame retardancy and improved heat resistance by using a combination of at least two different phosphorous compounds.
    Type: Grant
    Filed: December 15, 2010
    Date of Patent: July 17, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Seon Ae Lee, Im Hyuck Bae, Beom Jun Joo
  • Thermally Conductive Resin Composition Including a Milled Pitch Based Carbon Fiber
    Publication number: 20120175548
    Abstract: Disclosed is a thermally conductive resin composition including (A) about 40 to about 70% by weight of polyphenylene sulfide based resin; (B) about 20 to about 30% by weight thermally conductive graphite; and (C) about 10 to about 30% by weight milled pitch based carbon fiber. The resin composition can have excellent thermal conductivity by improving thermal conductivity in a plane-direction and thermal conductivity in a Z-direction and also can have commercially usable impact strength.
    Type: Application
    Filed: December 28, 2011
    Publication date: July 12, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Chan Gyun SHIN, Jeong Won LEE, Jong Cheol LIM, Eun Joo LEE
  • Adhesive composition and optical member
    Patent number: 8217100
    Abstract: An adhesive composition includes an antistatic agent that includes an ionic compound having a melting point of 50° C. or more, and a base polymer having a glass transition temperature of 0° C. or less.
    Type: Grant
    Filed: July 14, 2008
    Date of Patent: July 10, 2012
    Assignee: Cheil Industries, Inc.
    Inventors: Hiroshi Ogawa, Tatsuhiro Suwa, Cheong Hun Song
  • Resin composition comprising cardo resin, method for forming pattern using the resin composition and color filter using pattern formed by the method
    Patent number: 8216770
    Abstract: Disclosed is a resin composition including a cardo resin. Exemplary resin compositions can include (a) a cardo resin having a structural unit represented by Formula 1, (b) a reactive unsaturated compound, (c) an initiator, and (d) a solvent, wherein each R1 and R2 is independently a hydrogen atom, a halogen atom or a C1-C5 alkyl group, R3 is a vinyl, acryl or methacryl group, Z represents the residue of an acid anhydride or dianhydride, X is —CO—, —SO2—, —C(CF3)2—, —Si(CH3)2—, —CH2—, —C(CH3)2—, —O—, (R4?H, Et, C2H4Cl, C2H4OH, CH2CH?CH2 or Ph), and k is integer from 1 to 40. Further disclosed is a color filter which includes a fine pattern formed using the composition. The color filter can exhibit superior resistance to heat and chemicals, improved developability, and good adhesiveness.
    Type: Grant
    Filed: May 11, 2007
    Date of Patent: July 10, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Hee Young Oh, Choun Woo Lee, Hye Kyoung Cho, Ju Kwang Park, Cheon Seok Lee
  • Liquid Crystal Alignment Agent, Liquid Crystal Alignment Film Manufactured Using the Same, and Liquid Crystal Display Device Including the Liquid Crystal Alignment Film
    Publication number: 20120172540
    Abstract: Disclosed is a liquid crystal alignment agent that includes a polymer including polyamic acid including a repeating unit represented by the following Chemical Formula 1, polyimide including a repeating unit represented by the following Chemical Formula 2, or a combination thereof. In Chemical Formulae 1 and 2, X1, X2, Y1 and Y2 are the same as defined in the detailed description.
    Type: Application
    Filed: September 21, 2011
    Publication date: July 5, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Jae-Deuk YANG, Eun-Ha KIM, Myoung-Youp SHIN, Yong-Sik YOO, Guk-Pyo JO, Jung-Gon CHOI
  • Aromatic Carbonate, Method of Preparing the Same, and Polycarbonate Prepared Using the Same
    Publication number: 20120172573
    Abstract: A method of preparing aromatic carbonate from dialkyl carbonate includes reacting an aromatic hydroxyl compound and dialkyl carbonate in the presence of at least one type of samarium-containing catalyst represented by Formula 1, Formula 2, or a combination thereof: SmX3 ??[Formula 1] wherein each X is the same or different and is independently C1 to C10 alkoxy, C1 to C10 alkyl phenoxy or phenoxy, and wherein R1 and R2 are the same or different and are independently hydrogen or C1 to C6 alkyl.
    Type: Application
    Filed: July 5, 2011
    Publication date: July 5, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Dong Baek KIM, Mie Ock KIM, Chang Hoon LEE
  • Polycarbonate Resin Composition
    Publication number: 20120172497
    Abstract: Disclosed are a polycarbonate resin composition and a molded product formed of the same. The polycarbonate resin composition includes a polycarbonate resin and three types of UV stabilizers including a first benzotriazole UV stabilizer, a second benzotriazole UV stabilizer, and a bismalonate UV stabilizer to improve heat stability, weather resistance, and visible light transmittance.
    Type: Application
    Filed: September 30, 2011
    Publication date: July 5, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Jun Ho CHI, Jong Chan HUR, O Sung KWON, Bok Nam JANG
  • Positive Photosensitive Resin Composition, Photosensitive Resin Film Prepared by Using the Same, and Semiconductor Device Including the Photosensitive Resin Film
    Publication number: 20120171610
    Abstract: Disclosed is a positive photosensitive resin composition that includes (A) an alkali soluble resin; (B) a novolac resin including a repeating unit represented by Chemical Formula 6; (C) a photosensitive diazoquinone compound; (D) a silane compound; and (E) a solvent, a photosensitive resin film prepared by using the positive photosensitive resin composition, and a semiconductor device including the photosensitive resin film.
    Type: Application
    Filed: November 23, 2011
    Publication date: July 5, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Jong-Hwa LEE, Hyun-Yong CHO, Mi-Ra IM, Hwan-Sung CHEON, Min-Kook CHUNG, Ji-Young JEONG, Myoung-Hwan CHA
  • Glass Fiber Reinforced Polycarbonate Resin Composition
    Publication number: 20120172508
    Abstract: A glass fiber reinforced polycarbonate resin composition includes (A) a glass fiber reinforced polycarbonate, (B) a mixture of two kinds of organic silicone based compounds comprising (b1) a siloxane based compound and (b2) a silicone based resin, (C) a metal salt based flame retardant, and (D) a fluorinated polyolefin based resin and can have excellent flame retardancy and impact resistance.
    Type: Application
    Filed: December 16, 2011
    Publication date: July 5, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Chang Do Jung, Jun Hong Park, Hyo Seon Jeong
  • Cross-linked Polyphosphonate, Method of Preparing the Same, and Flame Retardant Thermoplastic Resin Composition Including the Same
    Publication number: 20120172547
    Abstract: A cross-linked polyphosphonate and a thermoplastic resin composition including the cross-linked polyphosphonate are disclosed. The composition may have excellent flame retardancy and mechanical strength and superior appearance and heat resistance.
    Type: Application
    Filed: December 14, 2011
    Publication date: July 5, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Seon Ae LEE, Chang Hong KO, Sang Hyun HONG, Min Soo LEE
  • Acrylic Based Resin Composition and Molded Product Using the Same
    Publication number: 20120172499
    Abstract: Disclosed are an acrylic-based resin composition including (A) a first acrylic-based copolymer having a core-shell structure including a rubber having an average particle diameter of about 0.1 to about 0.30 ?m, (B) a second acrylic-based copolymer having a core-shell structure including a rubber having an average particle diameter of about 0.35 to about 0.6 ?m, (C) a vinyl-based copolymer, (D) an ultraviolet (UV) stabilizer, and (E) an UV absorber; and a molded product made using the same.
    Type: Application
    Filed: September 21, 2011
    Publication date: July 5, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Hee-Seok NA, Doo-Han HA, Young-Sin KIM, Ji-Eun PARK