Patents Assigned to LOTTE ADVANCED MATERIALS CO., LTD.
  • Patent number: 10150864
    Abstract: Disclosed herein is a polycarbonate resin composition. The polycarbonate resin composition includes: a polycarbonate resin; a polyalkylene glycol compound; and an anthraquinone colorant, wherein the polycarbonate resin composition has a yellow index (YI) of about ?2 to about 2, as measured in accordance with ASTM D1925 after irradiating an about 3.2 mm thick specimen with ?-rays at about 25 kGy and leaving the specimen for 7 days and has an a* value of about ?2 to about 2 and a b* value of ?2 to about 2 as measured in accordance with ASTM D2244 after irradiating an about 3.2 mm thick specimen with ?-rays at about 25 kGy and leaving the specimen for 7 days. The polycarbonate resin composition can exhibit excellent properties in terms of color, transparency, and impact resistance after being irradiated with ionizing radiation.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: December 11, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Hyun Hye Jang, Woo Suk Chei, Jong Chan Hur, O Sung Kwon, Jun Ho Chi
  • Patent number: 10144822
    Abstract: The present invention relates to transparent chips for artificial marble and artificial marble including the same. The transparent chips for artificial marble include (A) a halogenated epoxy acrylate resin and (B) metal fibers. The transparent chips are fabricated by adding metal fibers to a transparent resin. The transparent chips for artificial marble can implement both linear stripe patterns and three-dimensional effects inherent thereto, thereby providing an aesthetically pleasing appearance.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: December 4, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Doo Kyo Jeong, Chang Ho Son, Dong Jun Kim, Chang Ho Shin
  • Patent number: 10144826
    Abstract: A polycarbonate resin composition includes: a polycarbonate resin; a polyalkylene glycol compound; and an organic-inorganic hybrid pigment, and has a yellow index (YI) of about ?2 to about 4 after irradiation with gamma rays, as measured in accordance with ASTM D1925 after irradiating an about 3 mm thick specimen with gamma rays at about 25 kGy and leaving the specimen for 7 days. The polycarbonate resin composition can exhibit excellent properties in terms of color and impact resistance after being irradiated with ionizing radiation.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: December 4, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Jong Chan Hur, Hyun Hye Jang, O Sung Kwon, Jun Ho Chi, Woo Suk Chei
  • Patent number: 10131787
    Abstract: A polycarbonate resin composition and a molded article using the same is disclosed. The polycarbonate resin composition includes a polycarbonate resin (A); a rubber-modified aromatic vinyl copolymer (B); and an additive for laser directed structuring (C). The polycarbonate resin composition has a heat deflection temperature (HDT) of about 100° C. or more.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: November 20, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Mi Rae Jang, Jung Ki Kim, Eun Taek Woo, Na Ri Park, Yoo Jin Jung, Sang Hyun Hong
  • Patent number: 10131785
    Abstract: A polyester resin composition and a molded article produced using the same. The polyester resin composition includes: (A) two polyester resins including an aliphatic ring structure and having different trans/cis isomer ratios in the aliphatic ring; (B) a white pigment; and (C) an inorganic filler, wherein the polyester resin composition has a crystallization temperature (Tc) of about 230° C. to about 250° C., as measured by differential scanning calorimetry (DSC) while cooling the resin composition at a cooling rate of ?100° C./min. Exemplary compositions include a first poly(1,4-cyclohexylene dimethylene terephthalate) and a second poly(1,4-cyclohexylene dimethylene terephthalate) having different trans/cis isomer ratios in the cyclohexylene rings thereof, titanium oxide, glass fiber, and wollastonite.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: November 20, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Young Ho Park, Tae Gon Kang, Yang Il Kim, Chan Moo Park, Sang Hyun Hong
  • Patent number: 10125241
    Abstract: A polycarbonate resin composition and a molded article manufactured using the same. The polycarbonate resin composition includes: a polycarbonate resin; a metal compound; and a glass transition temperature regulator, wherein the glass transition temperature regulator contains phosphorus. The polycarbonate resin composition and a molded article manufactured using the same can have excellent properties in terms of impact resistance, flowability, and plating adhesive strength.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: November 13, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Eun Taek Woo, Eric Arifin, Jung Ki Kim, Na Ri Park, Mi Rae Jang, Yoo Jin Jung, Sang Hyun Hong
  • Patent number: 10125258
    Abstract: A polycarbonate resin composition and a molded article for automotive parts manufactured using the same. The thermoplastic resin composition includes: (A) a polycarbonate resin; (B) a rubber-modified vinyl graft copolymer comprising (B-1) a first rubber-modified vinyl graft copolymer comprising a rubber polymer having an average particle diameter of about 230 nm to about 380 nm and (B-2) a second rubber-modified vinyl graft copolymer comprising a rubber polymer having an average particle diameter of about 60 nm to about 200 nm; (C) an aromatic vinyl-vinyl cyanide copolymer; and (D) a (meth)acrylic copolymer. The thermoplastic resin composition can have excellent properties in terms of heat stability and gloss.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: November 13, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Jung Woo Park, Myung Hun Kim, Kee Hae Kwon, Chang Min Hong
  • 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
  • Patent number: 10118370
    Abstract: An article includes a thermoplastic resin, a metal-resin composite particle, and a pore and a method of manufacturing the article. The metal-resin composite particle includes a metal deposition layer, a first coating layer positioned on one side of the metal deposition layer, and a second coating layer positioned on the other side of the metal deposition layer, and the first and second layers include a thermosetting resin respectively.
    Type: Grant
    Filed: April 29, 2013
    Date of Patent: November 6, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Young-Sin Kim, Kang-Yeol Park, Young-Chul Kwon
  • Patent number: 10113038
    Abstract: The present invention relates to a thermoplastic resin composition for an exterior material, and a molded product using the same, the composition containing a thermoplastic resin and at least two types of cellulose-based fibers, wherein 0.1-5 parts by weight of the cellulose-based fibers are contained on the basis of 100 parts by weight of the thermoplastic resin.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: October 30, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Min Ji Ju, Yun Jin Choi, Soo Kyung Kahng, Gi Hong Kim, Dong Hee Kim
  • Patent number: 10086643
    Abstract: Provided are a chip with a stereoscopic texture for a resin-based reinforced natural stone and a resin-based reinforced natural stone including the same. A chip with a stereoscopic texture can be obtained by coating a pigment on a surface of a crushed reinforced natural stone chip. In a resin-based reinforced natural stone to which the chip with a stereoscopic texture is added, a boundary surface between the chip and a matrix is formed, such that a texture of natural stone and a three-dimensional stereoscopic effect may be implemented, thereby making it possible to implement an aesthetically beautiful surface.
    Type: Grant
    Filed: November 11, 2014
    Date of Patent: October 2, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Hee Cheol Lee, Han Ju Kang, Cheol Yeon Hwang, Ki Cheon Kang, Chang Ho Son, Sung Jin An
  • Patent number: 10081719
    Abstract: A thermoplastic resin composition for automobiles, and a molded product produced from the composition, includes a semi-aromatic polyamide resin; a first chelate agent that includes an amino radical and at least one of a carboxylic acid and salt thereof; a second chelate agent that includes an aliphatic multivalent C1 to C10 carboxylic acid (not including a carbon atom of a carboxylic radical) having 2 to 4 carboxylic radicals; and a filler.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: September 25, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Hyoungtaek Kang, Chang Min Hong
  • Patent number: 10066055
    Abstract: A container for precision members is prepared from a polycarbonate resin, wherein a polycarbonate resin solution prepared by immersing the polycarbonate resin in water and leaving the solution has chloride ions (Cl?), fluoride ions (F?) and sulfate ions (SO42?) in a concentration of about 2 ppb or less, independently of each other, as detected by ion chromatography (IC). The container for precision members is capable of preserving and transporting the precision members predisposed to damage by minor amounts of impurities or contaminants without damage.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: September 4, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Jong Chan Hur, Jun Ho Chi, Woo Suk Chei, Eun Byul Lee
  • Patent number: 10056168
    Abstract: An electrically conductive polyamide/polyphenylene ether resin composition and a molded article for vehicles using the same. The resin composition includes a polyphenylene ether; a polyamide; an olefin-based polymer; an impact modifier; a compatibilizer; and carbon fibrils, wherein the polyphenylene ether and the impact modifier form domains, and the polyamide, the olefin-based polymer and the carbon fibrils form a matrix, the domains including about 90 vol % or more of domain particles having a particle diameter of about 0.1 ?m to about 2.0 ?m, and wherein the electrically conductive polyamide/polyphenylene ether resin composition has a surface resistance of about 108?/? or less as measured on a specimen having a size of about 100 mm×about 100 mm×about 0.5 mm under conditions of about 23° C. and about 50% relative humidity (RH).
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: August 21, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Won Young Choi, Doo Young Kim, Won Ko, Jung Hun Lee
  • Patent number: 10046277
    Abstract: A hollow fiber membrane module and a method for preparing a hollow fiber membrane module. A hollow fiber membrane module includes a header, and a sheet block inserted into the header, and the sheet block includes a hollow fiber membrane block, wherein the hollow fiber membrane block comprises a plurality of hollow fiber membranes arranged at regular intervals in a vertical direction of the header; and a resin block formed at an end of the hollow fiber membrane blocks and contacting an inner wall of the header to be secured thereto, and a potting agent is filled between hollow fiber membranes of the hollow fiber membrane blocks in a space between an upper side of the resin block to an inlet of the header to secure the hollow fiber membranes.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: August 14, 2018
    Assignees: LOTTE ADVANCED MATERIALS CO., LTD., LOTTE CHEMICAL CORPORATION
    Inventors: Hyoung Wook Ahn, Young Lim Koo
  • Patent number: 10035907
    Abstract: A thermoplastic resin composition and a molded article formed of the same. The thermoplastic resin composition includes a polyalkyl (meth)acrylate resin, a rubber-modified aromatic vinyl graft copolymer, and an aromatic vinyl resin, wherein the polyalkyl (meth)acrylate resin has a weight average molecular weight of about 100,000 g/mol to about 145,000 g/mol, and the aromatic vinyl resin is a polymer of a monomer mixture comprising alkyl (meth)acrylate, maleic anhydride (MAH), an aromatic vinyl monomer, and a vinyl cyanide monomer. The thermoplastic resin composition can exhibit excellent properties in terms of scratch resistance, heat resistance, impact resistance, and transparency.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: July 31, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventor: Dong Hyun Park
  • Patent number: 10023734
    Abstract: A thermoplastic resin composition includes a base resin including a rubber-modified vinyl graft copolymer and an aromatic vinyl resin, and a siloxane compound including a repeat unit represented by Formula 1 and a repeat unit represented by Formula 2, wherein the repeat unit represented by Formula 1 and the repeat unit represented by Formula 2 are present in a mole ratio of about 2: about 1 to about 4: about 1 in the siloxane compound: wherein R1 and R3 are each independently a hydrogen atom or a C1 to C5 alkyl group, R2 is a C2 to C10 alkylene group, R4 is C1 to C20 alkyl group, and Ar is a C6 to C20 aryl group.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: July 17, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Sung Min Ha, Young Chul Kwon, Byeong Yeol Kim, Yoen Kyoung Kim, Cheon Seok Yang
  • Patent number: 10000635
    Abstract: A thermoplastic resin composition for automotive interior components and a molded article using the same. The thermoplastic resin composition includes: a base resin comprising about 55 wt % to about 90 wt % of a polycarbonate resin and about 10 wt % to about 45 wt % of a vinyl cyanide compound-aromatic vinyl compound copolymer; about 5 parts by weight to about 30 parts by weight of an impact modifier; and about 1 part by weight to about 8 parts by weight of a matting agent, each based on about 100 parts by weight of the base resin. The impact modifier includes a first impact modifier which is a core-shell type acrylic rubber-modified graft copolymer, and a second impact modifier which is a core-shell type diene-acrylic rubber-modified graft copolymer.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: June 19, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: In Chol Kim, Kee Hae Kwon, Jung Woo Park, Chang Min Hong
  • Patent number: 9994704
    Abstract: A thermoplastic elastomer composition of the present invention comprises (A) 30 to 40% by weight of a block terpolymer of an aromatic vinyl compound and alkene or a conjugated diene-based compound; (B) 25 to 50% by weight of a paraffin oil; (C) 1 to 5% by weight of a polyolefin-based resin; (D) 5 to 20% by weight of an inorganic additive; and (E) 5 to 15% by weight of a polyphenylene ether-based resin. The thermoplastic elastomer composition, which has a surface hardness of 0.1 to 40 A (shore A), shows excellent low hardness and has improved physical properties at high temperature, particularly, flexibility, restoring force at high temperatures, and the like.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: June 12, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Jung Wook Kim, Do Hoon Chang, Chang Min Hong
  • Patent number: 9988530
    Abstract: A polycarbonate resin composition and a molded product produced from the same includes (a) polycarbonate resin; (b) polycarbonate-polysiloxane copolymer; (c) aromatic copolyester resin; and (d) glass fiber.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: June 5, 2018
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Kyoungsik Chin, Seungshik Shin, Sang Ki Park, Kihong Choi