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).

  • Publication number: 20210017331
    Abstract: The present invention relates to a polyester resin. The polyester resin is useful for bottles, sheets, multilayer sheets, stretched films and fiber applications due to excellent heat resistance and transparency, and in particular, the polyester resin has little deterioration of physical properties such as yellowing, etc.
    Type: Application
    Filed: September 23, 2020
    Publication date: January 21, 2021
    Inventors: Yoo Jin LEE, Su-Min LEE, Sung-Gi KIM, Min-Young HAN, Dong-jin HAN
  • Patent number: 10894799
    Abstract: Provided are a novel disilylamine compound, a method for preparing same, and a composition for depositing a silicon-containing thin film including the same. A disilylamine compound of the present invention has excellent reactivity, is thermally stable, and has high volatility, and thus, is used as a silicon-containing precursor, thereby manufacturing a high-quality silicon-containing thin film.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: January 19, 2021
    Assignee: DNF CO., LTD.
    Inventors: Sung Gi Kim, Se Jin Jang, Byeong-il Yang, Joong Jin Park, Sang-Do Lee, Jeong Joo Park, Sam Dong Lee, Gun-Joo Park, Sang Ick Lee, Myong Woon Kim
  • Publication number: 20210002428
    Abstract: The present invention relates to a polyarylene sulfide which has more improved compatibility with other polymer materials or fillers, and a method for preparing the same. The polyarylene sulfide is characterized in that at least part of end groups of the main chain of the polyarylene sulfide is hydroxyl group (—OH), the polyarylene sulfide contains iodine bonded to its main chain and free iodine, and the content of iodine bonded to the main chain and free iodine is 10 to 10,000 ppmw.
    Type: Application
    Filed: September 23, 2020
    Publication date: January 7, 2021
    Inventors: Se-Ho LEE, Sung-Gi KIM
  • Patent number: 10875966
    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: Grant
    Filed: October 30, 2018
    Date of Patent: December 29, 2020
    Assignee: SK Chemicals Co., Ltd
    Inventors: Se-Ho Lee, Sung-Gi Kim
  • Publication number: 20200392294
    Abstract: Provided are a silylamine compound, a composition for depositing a silicon-containing thin film containing the same, and a method for manufacturing a silicon-containing thin film using the composition, and more particularly, to a silylamine compound capable of being usefully used as a precursor of a silicon-containing thin film, a composition for depositing a silicon-containing thin film containing the same, and a method for manufacturing a silicon-containing thin film using the composition.
    Type: Application
    Filed: March 28, 2018
    Publication date: December 17, 2020
    Inventors: Sung Gi KIM, Jeong Joo PARK, Joong Jin PARK, Se Jin JANG, Byeong-il YANG, Sang-Do LEE, Sam Dong LEE, Sang Ick LEE, Myong Woon KIM
  • Publication number: 20200361966
    Abstract: Provided are a composition for depositing a silicon-containing thin film containing a trisilylamine compound and a method for producing a silicon-containing thin film using the same, and more particularly, a composition for depositing a silicon-containing thin film containing a trisilylamine compound which is capable of forming a silicon-containing thin film at a very high deposition rate at a low temperature to be usable as a precursor of a silicon-containing thin film and an encapsulant of a display, and a method for producing a silicon-containing thin film by using the same.
    Type: Application
    Filed: November 22, 2018
    Publication date: November 19, 2020
    Inventors: Sung Gi KIM, Joong Jin PARK, Byeong-il YANG, Se Jin JANG, Gun-Joo PARK, Jeong Joo PARK, Hee Yeon JEONG, Sam Dong LEE, Sang Ick LEE, Myong Woon KIM
  • Patent number: 10822457
    Abstract: The present invention relates to a polyarylene sulfide which has more improved compatibility with other polymer materials or fillers, and a method for preparing the same. The polyarylene sulfide is characterized in that at least part of end groups of the main chain of the polyarylene sulfide is hydroxyl group (—OH), the polyarylene sulfide contains iodine bonded to its main chain and free iodine, and the content of iodine bonded to the main chain and free iodine is 10 to 10,000 ppmw.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: November 3, 2020
    Assignee: SK CHEMICALS CO., LTD.
    Inventors: Se-Ho Lee, Sung-Gi Kim
  • Publication number: 20200299457
    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: June 10, 2020
    Publication date: September 24, 2020
    Inventors: Seol-Hee LIM, Sung-Gi KIM
  • Publication number: 20200277459
    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: May 19, 2020
    Publication date: September 3, 2020
    Inventors: Seol-Hee LIM, Sung-Gi KIM, Ji Yea LEE
  • Publication number: 20200255611
    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: April 24, 2020
    Publication date: August 13, 2020
    Inventors: Seol-Hee LIM, Sung-Gi KIM
  • Patent number: 10723852
    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: Grant
    Filed: March 13, 2018
    Date of Patent: July 28, 2020
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Seol-Hee Lim, Sung-Gi Kim
  • Patent number: 10717811
    Abstract: A polyester based copolymer resin which can be used a heat shrinkable film is disclosed. 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 residue derived from 4-(hydroxymethyl)cyclohexylmethyl 4?-(hydroxymethyl)cyclohexane carboxylate and a residue derived from 4,4-(oxybis(methylene)bis) cyclohexane methanol. The heat shrinkable film including polyester based copolymer resin has a shrinkage initiation temperature of 60° C. or less, the maximum heat shrinkage rate at 60° C. of 4% or more, and the maximum heat shrinkage rate at 90° C. of 80% or more.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: July 21, 2020
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Seol-Hee Lim, Sung-Gi Kim
  • Patent number: 10696806
    Abstract: A heat shrinkable film comprising a polyester based copolymer is provided.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: June 30, 2020
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Seol-Hee Lim, Sung-Gi Kim, Ji Yea Lee
  • Publication number: 20200173060
    Abstract: The present invention relates to a polyester fiber, a preparation method thereof and a molded article prepared therefrom. The polyester fiber comprises a diol moiety derived from isosorbide in a specific amount and is formed into a polyester resin having a specific oligomer content, thereby providing a molded article having excellent saline water resistance, chemical resistance, light resistance and good knot strength, and capable of maintaining high transparency.
    Type: Application
    Filed: June 1, 2018
    Publication date: June 4, 2020
    Inventors: Boo-youn LEE, Sung-Gi KIM, Yoo Jin LEE
  • Publication number: 20200172662
    Abstract: The present invention relates to a polyester container. The polyester container is formed from a polyester resin containing a particular content of diol moieties derived from isosorbide and diethylene glycol, and thus can show high transparency in spite of a great wall thickness thereof.
    Type: Application
    Filed: June 18, 2018
    Publication date: June 4, 2020
    Inventors: Yoo Jin LEE, Sung-Gi KIM, Boo-Youn LEE
  • Publication number: 20200148816
    Abstract: The present invention relates to a polyester film and a preparation method thereof. The polyester film is formed of a polyester resin having a specific content of isosorbide and diethylene glycol introduced therein, containing a low content of oligomer, and exhibiting a specific intrinsic viscosity, thereby exhibiting excellent mechanical properties, heat resistance and chemical resistance, and good heat sealability.
    Type: Application
    Filed: June 25, 2018
    Publication date: May 14, 2020
    Inventors: Yoo Jin LEE, Sung-Gi KIM, Boo-youn LEE
  • Publication number: 20200131205
    Abstract: Provided are a novel disilylamine compound, a method for preparing same, and a composition for depositing a silicon-containing thin film including the same. A disilylamine compound of the present invention has excellent reactivity, is thermally stable, and has high volatility, and thus, is used as a silicon-containing precursor, thereby manufacturing a high-quality silicon-containing thin film.
    Type: Application
    Filed: April 19, 2018
    Publication date: April 30, 2020
    Inventors: Sung Gi KIM, Se Jin JANG, Byeong-il YANG, Joong Jin PARK, Sang-Do LEE, Jeong Joo PARK, Sam Dong LEE, Gun-Joo PARK, Sang Ick LEE, Myong Woon KIM
  • Publication number: 20200109240
    Abstract: The present invention relates to a polyester resin composition capable of having an excellent shrinkage rate, being heat-shrunk at a low temperature, and improving adhesion properties, without impairing insulation properties in a state of heat-shrinkable films, and a method for preparing the same. The present polyester resin composition comprises: a copolymerized polyester resin 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)cyclohexyl methyl 4?-(hydroxymethyl)cyclohexane carboxylate, and a residue derived from 4,4-(oxybis(methylene)bis) cyclohexane methanol, an alkali metal compound, and an alkaline earth metal compound, wherein the alkali metal compound and the alkaline earth metal compound are contained in an amount that the content ratio of the alkali metal element/the alkaline earth metal element derived therefrom is 0.01 to 1.
    Type: Application
    Filed: December 5, 2019
    Publication date: April 9, 2020
    Inventors: Seol-Hee LIM, Ji Yea LEE, Sung-Gi KIM, Sun DONGBANG
  • Publication number: 20200111664
    Abstract: Provided are a composition for depositing a silicon-containing thin film containing a bis(aminosilyl)alkylamine compound and a method for manufacturing a silicon-containing thin film using the same, and more particularly, a composition for depositing a silicon-containing thin film, containing the bis(aminosilyl)alkylamine compound capable of being usefully used as a precursor of the silicon-containing thin film, and a method for manufacturing a silicon-containing thin film using the same.
    Type: Application
    Filed: March 28, 2018
    Publication date: April 9, 2020
    Inventors: Sung Gi KIM, Jeong Joo PARK, Joong Jin PARK, Se Jin JANG, Byeong-il YANG, Sang-Do LEE, Sam Dong LEE, Sang Ick LEE, Myong Woon KIM
  • Publication number: 20200111665
    Abstract: Provided are a composition containing a silylamine compund and a method for manufacturing a silicon-containing thin film using the same, and more particularly, a composition for depositing a silicon-containing thin film, containing a silylamine compound capable of forming a silicon-containing thin film having a significantly excellent water vapor transmission rate to thereby be usefully used as a precursor of the silicon-containing thin film and an encapsulant of a display, and a method for manufacturing a silicon-containing thin film using the same.
    Type: Application
    Filed: March 29, 2018
    Publication date: April 9, 2020
    Inventors: Sung Gi KIM, Jeong Joo PARK, Joong Jin PARK, Se Jin JANG, Byeong-il YANG, Sang-Do LEE, Sam Dong LEE, Sang Ick LEE, Myong Woon KIM