Patents by Inventor Sung-gi Kim

Sung-gi 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).

  • Recyclable polyarylene sulfide and preparation method thereof
    Patent number: 9422401
    Abstract: The various embodiments of the invention relate to recyclable polyarylene sulfide that may exhibit and maintain excellent mechanical properties, particularly does not exhibit decrease in melt viscosity when it is molten, and thus exhibit little deterioration of mechanical properties, and a method for preparing the dame. The polyarylene sulfide has initial melt viscosity measured at 300° C. of 300 to 6000 poise, and melt viscosity after heat treated and molten at 300° C., equal to or greater than the initial melt viscosity.
    Type: Grant
    Filed: February 3, 2015
    Date of Patent: August 23, 2016
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Sung-Gi Kim, Il-Hoon Cha
  • Cylinder formed with uneven pattern on surface of inner wall
    Patent number: 9341267
    Abstract: The present disclosure relates to a cylinder having an inner wall formed with fine uneven patterns to improve durability. The fine uneven patterns according to the present disclosure increases oil film pressure between a piston ring and an inner wall of the cylinder, and smoothly supplies engine oil to where the engine oil is insufficient, thereby reducing abrasion between the piston ring and the inner wall of the cylinder.
    Type: Grant
    Filed: November 3, 2010
    Date of Patent: May 17, 2016
    Assignee: Doosan Infracore Co., Ltd.
    Inventor: Sung Gi Kim
  • HEAT SHRINKABLE FILM COMPRISING POLYESTER BASED COPOLYMER
    Publication number: 20160130414
    Abstract: There is provided a heat shrinkable film comprising a polyester based copolymer capable of having an excellent shrinkage rate and being heat shrunk at a low temperature. The heat shrinkable film according to an exemplary embodiment of the present invention includes a polyester based copolymer, wherein the polyester based copolymer includes: a dicarboxylic acid-derived residue including a residue derived from an aromatic dicarboxylic acid; and a diol-derived residue including a residue derived from 4-(hydroxymethyl)cyclohexylmethyl 4?-(hydroxymethyl)cyclohexane carboxylate represented by the following Chemical Formula 1 and a residue derived from 4,4-(oxybis(methylene)bis) cyclohexane methanol represented by the following Chemical Formula 2.
    Type: Application
    Filed: June 16, 2014
    Publication date: May 12, 2016
    Inventors: Seol-Hee LIM, Sung-Gi KIM, Ji Yea LEE
  • NOVEL AMINO-SILYL AMINE COMPOUND, METHOD FOR PREPARING THE SAME AND SILICON-CONTAINING THIN-FILM USING THE SAME
    Publication number: 20160122369
    Abstract: Provided are a novel amino-silyl amine compound, a method for preparing the same, and a silicon-containing thin-film using the same, wherein the amino-silyl amine compound has thermal stability and high volatility and is maintained in a liquid state at room temperature and under a pressure where handling is easy to thereby form a silicon-containing thin-film having high purity and excellent physical and electrical properties by various deposition methods.
    Type: Application
    Filed: June 5, 2014
    Publication date: May 5, 2016
    Inventors: Se Jin JANG, Sang-Do LEE, Sung Gi KIM, Byeong-il YANG, Jang Hyeon SEOK, Sang Ick LEE, Myong Woon KIM
  • HEAT SHRINKABLE FILM COMPOSITION COMPRISING POLYETHYLENETEREPHTALATE RESIN AND POLYESTER BASED COPOLYMER, AND HEAT SHRINKABLE FILM
    Publication number: 20160122485
    Abstract: There is provided a composition for forming a heat shrinkable film capable of providing a heat shrinkable film capable of having an excellent shrinkage rate and being heat-shrunk at a low temperature. The composition for forming a heat shrinkable film includes a polyethylene terephthalate (PET) resin having an inherent viscosity of 0.50 to 1.2 dl/g; and a polyester based copolymer including a dicarboxylic acid-derived residue including a residue derived from an aromatic dicarboxylic acid and a diol-derived residue including a residue derived from 4-(hydroxymethyl)cyclohexylmethyl 4?-(hydroxymethyl)cyclohexane carboxylate represented by the following Chemical Formula 1 and a residue derived from 4,4-(oxybis(methylene)bis)cyclohexane methanol represented by the following Chemical Formula 2.
    Type: Application
    Filed: June 16, 2014
    Publication date: May 5, 2016
    Inventors: Seol-Hee LIM, Sung-Gi KIM
  • METHOD FOR SEPARATING VOLATILE SUBSTANCES FROM MATERIAL MIXTURES AND DEVICE FOR PRODUCING POLYARYLENE SULFIDES
    Publication number: 20160096929
    Abstract: The present invention relates to a method for separating volatile substances, particularly iodine, diiodised aromatic compounds and/or mixtures thereof, from material mixtures containing said compounds. The invention further relates to a device for producing polyarylene sulphides, by means of which volatile substances, particularly iodine and diiodised aromatic compounds, can be separated from the polymers.
    Type: Application
    Filed: September 21, 2015
    Publication date: April 7, 2016
    Inventors: Clifford SCHAFERSKUPPER, Thomas HILLE, Theodor JURGENS, Andre SCHUMANN, Lars GIERSZEWSKI, Il Hoon Cha, Sung Gi Kim, Yoon Cheol Kim
  • POLYESTER BASED COPOLYMER RESIN AND MOLDED PRODUCT COMPRISING THE SAME
    Publication number: 20160068629
    Abstract: There are provided a polyester based copolymer resin capable of having an excellent shrinkage rate and being heat-shrunk at a low temperature, and a molded product comprising the same. The polyester based copolymer resin includes a dicarboxylic acid-derived residue including a residue derived from an aromatic dicarboxylic acid; and a diol-derived residue including a predetermined residue derived from 4-(hydroxymethyl)cyclohexylmethyl 4?-(hydroxymethyl)cyclohexane carboxylate and a predetermined residue derived from 4,4-(oxybis(methylene)bis)cyclohexane methanol.
    Type: Application
    Filed: April 30, 2014
    Publication date: March 10, 2016
    Inventors: Seol-Hee LIM, Sung-Gi KIM
  • Polyarylene sulfide having reduced outgassing and preparation method thereof
    Patent number: 9255183
    Abstract: Embodiments of the present invention relate to polyarylene sulfide that may exhibit excellent processability at low temperature, decrease outgassing and flash or burr generation, and thus may satisfactorily mold a product requiring high molding accuracy, and a method for preparing the same. Specifically, the polyarylene sulfide includes an arylene sulfide repeat unit and an arylene disulfide repeat unit, wherein the weight ratio of the arylene sulfide repeat unit:arylene disulfide repeat unit is 1:0.0001 to 1:0.05.
    Type: Grant
    Filed: March 8, 2011
    Date of Patent: February 9, 2016
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Sung-Gi Kim, Jae-Bong Lim, Il-Hoon Cha
  • Recyclable polyarylene sulfide and preparation method thereof
    Patent number: 9249263
    Abstract: Embodiments of the present invention relate to recyclable polyarylene sulfide that may exhibit and maintain excellent mechanical properties, particularly does not exhibit decrease in melt viscosity when it is molten, and thus, exhibit little deterioration of mechanical properties, and a method for preparing the same. The polyarylene sulfide has initial melt viscosity measured at 300° C. of 300 to 6000 poise, and melt viscosity after heat treated and molten at 300° C., equal to or greater than the initial melt viscosity.
    Type: Grant
    Filed: February 28, 2011
    Date of Patent: February 2, 2016
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Sung-Gi Kim, Il-Hoon Cha
  • Amino-silyl amine compound, method for preparing the same and silicon-containing thin-film using the same
    Patent number: 9245740
    Abstract: Provided are a novel amino-silyl amine compound, a method for preparing the same, and a silicon-containing thin-film using the same, wherein the amino-silyl amine compound has thermal stability and high volatility and is maintained in a liquid state at room temperature and under a pressure where handling is easy to thereby form a silicon-containing thin-film having high purity and excellent physical and electrical properties by various deposition methods.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: January 26, 2016
    Assignee: DNF Co., Ltd.
    Inventors: Se Jin Jang, Sang Do Lee, Sung Gi Kim, Jong Hyun Kim, Byeong Il Yang, Jang Hyeon Seok, Sang Ick Lee, Myong Woon Kim
  • METHOD FOR PREPARING POLYARYLENE SULFIDE WITH REDUCED FREE IODINE CONTENT
    Publication number: 20150353687
    Abstract: The present invention relates to a method for preparing polyarylene sulfide with a reduced free iodine content. More specifically, the method for preparing polyarylene sulfide includes: (a) polymerizing reactants including a diiodo aromatic compound and a sulfur compound to form a polyarylene sulfide; and (b) maintaining the polyarylene sulfide product at 100 to 260° C. for heat-setting. The preparation method of the present invention effectively reduces the free iodine content of the polyarylene sulfide to prevent potential corrosion of facilities for the subsequent process and improves the properties of the polyarylene sulfide product such as thermal stability, so the method can be usefully applied to industrial fields in regard to the preparation of polyarylene sulfide.
    Type: Application
    Filed: August 20, 2015
    Publication date: December 10, 2015
    Inventors: Yong-Jun Shin, Sung-Gi Kim, Jae-Bong Lim, Joon-Sang Cho, Il-Hoon Cha
  • Display apparatus
    Patent number: 9185818
    Abstract: A display apparatus including a support configured to support a display unit, and a cover formed of a flexible sheet and configured to cover the support, thereby improving the external appearance of the rear side of the display apparatus through the cover.
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: November 10, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min Hee Lee, Sung Gi Kim, Hyun Choul Kim, Naoya Edahiro, Noah Murphy-Reinhertz, Angie Tadeo, Yves Behar, Joshua Tree Morenstein
  • Method for preparing polyarylene sulfide with reduced free iodine content
    Patent number: 9163119
    Abstract: The present invention relates to a method for preparing polyarylene sulfide with a reduced free iodine content. More specifically, the method for preparing polyarylene sulfide includes: (a) polymerizing reactants including a diiodo aromatic compound and a sulfur compound to form a polyarylene sulfide; and (b) maintaining the polyarylene sulfide product at 100 to 260° C. for heat-setting. The preparation method of the present invention effectively reduces the free iodine content of the polyarylene sulfide to prevent potential corrosion of facilities for the subsequent process and improves the properties of the polyarylene sulfide product such as thermal stability, so the method can be usefully applied to industrial fields in regard to the preparation of polyarylene sulfide.
    Type: Grant
    Filed: December 28, 2009
    Date of Patent: October 20, 2015
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Yong-Jun Shin, Sung-Gi Kim, Jae-Bong Lim, Joon-Sang Cho, Il-Hoon Cha
  • POLYARYLENE SULFIDE RESIN COMPOSITION AND FORMED ARTICLE
    Publication number: 20150218376
    Abstract: The present invention relates to a polyarylene sulfide resin composition having good processability and showing excellent properties due to its more improved miscibility with other polymer materials or fillers, and a formed article. Such polyarylene sulfide resin composition includes a polyarylene sulfide including a disulfide repeating unit in the repeating units of the main chain; and at least one component selected from the group consisting of a thermoplastic resin, a thermoplastic elastomer, and a filler.
    Type: Application
    Filed: September 17, 2013
    Publication date: August 6, 2015
    Inventors: Se-Ho Lee, Sung-Gi Kim
  • POLYARYLENE SULFIDE AND A PREPARATION METHOD THEREOF
    Publication number: 20150197605
    Abstract: The present invention relates to a polyarylene sulfide having more improved miscibility with other polymer materials or fillers, and a method of preparing the same. At least part of end groups of the main chain of the polyarylene sulfide is carboxyl group (—COOH) or amine group (—NH2).
    Type: Application
    Filed: August 6, 2013
    Publication date: July 16, 2015
    Applicant: SK Chemicals CO., LTD.
    Inventors: Se-Ho Lee, Sung-Gi Kim
  • Polyarylene sulfide and preparation method thereof
    Patent number: 9074048
    Abstract: This disclosure relates to polyarylene sulfide that may exhibit and maintain excellent properties and a method for preparing the same, wherein the polyarylene sulfide is in the form of pellet of 2 to 10 mm size immediately after melt polymerization, and has residual solvent content of 300 ppm or less, based on the total weight of resin. The polyarylene sulfide may exhibit and maintain excellent properties, particularly it does not generate foam in the product or stain on the surface, has excellent mechanical properties such as tensile strength, and the like, and thus, it may be usefully applied in the industrial field of preparing polyarylene sulfide and manufacturing a molded product using the same.
    Type: Grant
    Filed: March 8, 2011
    Date of Patent: July 7, 2015
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Sung-Gi Kim, Jae-Bong Lim, Se-Ho Lee
  • SERVER, DISPLAY APPARATUS, SYSTEM FOR CONTROLLING IMAGE IN A PLURALITY OF DISPLAY APPARATUSES, AND CONTROLLING METHOD THEREOF
    Publication number: 20150165326
    Abstract: A system for controlling a plurality of display apparatuses which are connected to a server, a controlling method thereof, a server, and a display apparatus are provided. The method for controlling a plurality of display apparatuses includes registering the plurality of display apparatuses by using authentication information, generating playing information and image data based on the authentication information, and transmitting, to the plurality of display apparatuses, the playing information and the image data.
    Type: Application
    Filed: July 9, 2014
    Publication date: June 18, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-hwang LEE, Jin-hyuck HONG, Sung-gi KIM
  • RECYCLABLE POLYARYLENE SULFIDE AND PREPARATION METHOD THEREOF
    Publication number: 20150152227
    Abstract: This disclosure relates to recyclable polyarylene sulfide that may exhibit and maintain excellent mechanical properties, particularly does not exhibit decrease in melt viscosity when it is molten, and thus, exhibit little deterioration of mechanical properties, and a method for preparing the same.
    Type: Application
    Filed: February 3, 2015
    Publication date: June 4, 2015
    Inventors: Sung-Gi Kim, Il-Hoon Cha
  • POLYARYLENE SULFIDE RESIN COMPOSITION AND A PREPARATION METHOD THEREOF
    Publication number: 20150141550
    Abstract: The present invention relates to a polyarylene sulfide resin composition having excellent impact resistance in which a polyarylene sulfide resin having a specific end group, an epoxy-containing olefin-based elastomer, and/or an organic or inorganic filler are included, and a preparation method thereof.
    Type: Application
    Filed: June 5, 2013
    Publication date: May 21, 2015
    Applicant: SK CHEMICALS CO.,LTD.
    Inventors: Byoung Gook Kang, Il-Hoon Cha, Sung-Gi Kim, Se-Ho Lee
  • High-strength polyphenylene sulfide/polyethylene terephthalate blend resin composition and method for preparing the same
    Patent number: 9023920
    Abstract: The present invention relates to a high-strength inflammable blend resin composition including a polyphenylene sulfide resin and a polyethylene terephthalate resin. More specifically, the resin composition of the present invention includes: a basic blend resin containing 10 to 80 wt. % of a polyphenylene sulfide resin, and 20 to 90 wt. % of a polyethylene terephthalate resin; and 0.1 to 20 parts by weight of a modified polystyrene or a styrene-based elastomer with respect to 100 parts by weight of the basic blend resin.
    Type: Grant
    Filed: December 30, 2009
    Date of Patent: May 5, 2015
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Sung-Gi Kim, Jae-Bong Lim, Jong-In Lee, Chang-Hyun Lee, Sung-Su Bae, Sang-Mook Lee