Patents by Inventor Seol Hee Lim

Seol Hee 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).

  • Patent number: 11926117
    Abstract: The present invention relates to an MDO thermoresistant heat-shrinkable multilayer film of a copolymer polyester having excellent thermal resistance. In particular, the present invention provides an MDO thermoresistant heat-shrinkable multilayer film that includes multiple skin layers capable of improving thermal resistance formed on a substrate layer capable of providing high shrinkage, and simultaneously has excellent thermal resistance and high shrinkage properties through MD orientation instead of the conventional TD orientation method.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: March 12, 2024
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Seol-Hee Lim, Sung-Gi Kim, So-Yeon Kim
  • Publication number: 20230384667
    Abstract: A semiconductor photoresist composition including an organometallic compound represented by Chemical Formula 1 and a solvent and a method of forming patterns using the same are disclosed.
    Type: Application
    Filed: January 17, 2023
    Publication date: November 30, 2023
    Inventors: Seol Hee LIM, Jaebum LIM, Yaeun SEO, Sumin JANG, Soobin LIM, Minyoung LEE, Jimin KIM, Jaeyeol BAEK, Eunmi KANG, Changsoo WOO
  • Patent number: 11560457
    Abstract: The present invention relates to an MDO heat-shrinkable film of a copolymer polyester having excellent thermal resistance. In particular, the present invention provides a copolymer polyester MDO (machine direction orientation) thermoresistant heat-shrinkable film that consists of a copolymer polyester resin including isosorbide and 1,4-cyclohexanedimethanol at an optimized content ratio as a diol component copolymerized with an acid component including terephthalic acid, and having a number average molecular weight of 18,000 g/mol or more, and can be used for labels, cap seals, direct packaging, etc. of various containers due to the high shrink initiation temperature.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: January 24, 2023
    Inventors: Seol-Hee Lim, Sung-Gi Kim, So-Yeon Kim
  • Patent number: 11482593
    Abstract: Disclosed are a composition for depositing a thin film including an organometallic compound including strontium, barium, or a combination thereof; and at least one unshared electron pair-containing compound represented by Chemical Formula 1, a method of manufacturing a thin film using the composition for depositing the thin film, and the thin film manufactured from the composition for depositing the thin film, and a semiconductor device including the thin film.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: October 25, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yong Tae Kim, Bukeun Oh, Gyeong Ryeong Bak, Taegeun Seong, Sangkyun Im, Seol Hee Lim, Hwansung Cheon
  • Patent number: 11267934
    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: Grant
    Filed: December 5, 2019
    Date of Patent: March 8, 2022
    Inventors: Seol-Hee Lim, Ji Yea Lee, Sung-Gi Kim, Sun Dongbang
  • Patent number: 11236210
    Abstract: A 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: April 24, 2020
    Date of Patent: February 1, 2022
    Inventors: Seol-Hee Lim, Sung-Gi Kim
  • Patent number: 11203676
    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: Grant
    Filed: May 19, 2020
    Date of Patent: December 21, 2021
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Seol-Hee Lim, Sung-Gi Kim, Ji Yea Lee
  • Publication number: 20210193459
    Abstract: An organometallic compound represented by Chemical Formula 1 may be used in a composition for depositing a thin film including the organometallic compound, where A is derived from a compound represented by Chemical Formula 2: Embodiments of the present disclosure include the thin film, a manufacturing method for the thin film using the composition for depositing the thin film, and a semiconductor device including the thin film.
    Type: Application
    Filed: December 1, 2020
    Publication date: June 24, 2021
    Inventors: Sangkyun IM, Gyeong Ryeong BAK, Yong Tae KIM, Taegeun SEONG, Bukeun OH, Seol Hee LIM
  • Patent number: 11020947
    Abstract: This disclosure relates to a thermo-shrinkable polyester film with excellent UV absorbance and heat resistance. According to one embodiment of the invention, provided is a thermo-shrinkable polyester film comprising a first resin layer comprising polyester resin comprising residues of dicarboxylic acid components comprising aromatic dicarboxylic acid, and residues of diol components comprising 4-(hydroxymethyl)cyclohexylmethyl 4?-(hydroxymethyl)cyclohexanecarboxylate, and 4,4-(oxybis(methylene)bis)cyclohexane methanol; and a second resin layer comprising the polyester resin and a UV absorber, formed on at least one side of the first layer.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: June 1, 2021
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Seol-Hee Lim, Sung-Gi Kim
  • Publication number: 20210111244
    Abstract: Disclosed are a composition for depositing a thin film including an organometallic compound including strontium, barium, or a combination thereof; and at least one unshared electron pair-containing compound represented by Chemical Formula 1, a method of manufacturing a thin film using the composition for depositing the thin film, and the thin film manufactured from the composition for depositing the thin film, and a semiconductor device including the thin film.
    Type: Application
    Filed: October 6, 2020
    Publication date: April 15, 2021
    Inventors: Yong Tae KIM, Bukeun OH, Gyeong Ryeong BAK, Taegeun SEONG, Sangkyun IM, Seol Hee LIM, Hwansung CHEON
  • 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: 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: 20200062954
    Abstract: The present invention relates to an MDO heat-shrinkable film of a copolymer polyester having excellent thermal resistance. In particular, the present invention provides a copolymer polyester MDO (machine direction orientation) thermoresistant heat-shrinkable film that consists of a copolymer polyester resin including isosorbide and 1,4-cyclohexanedimethanol at an optimized content ratio as a diol component copolymerized with an acid component including terephthalic acid, and having a number average molecular weight of 18,000 g/mol or more, and can be used for labels, cap seals, direct packaging, etc. of various containers due to the high shrink initiation temperature.
    Type: Application
    Filed: November 24, 2017
    Publication date: February 27, 2020
    Inventors: Seol-Hee LIM, Sung-Gi KIM, So-Yeon KIM
  • Patent number: 10550223
    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: Grant
    Filed: August 24, 2015
    Date of Patent: February 4, 2020
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Seol-Hee Lim, Ji Yea Lee, Sung-Gi Kim, Sun Dongbang
  • Publication number: 20190329538
    Abstract: The present invention relates to an MDO thermoresistant heat-shrinkable multilayer film of a copolymer polyester having excellent thermal resistance. In particular, the present invention provides an MDO thermoresistant heat-shrinkable multilayer film that includes multiple skin layers capable of improving thermal resistance formed on a substrate layer capable of providing high shrinkage, and simultaneously has excellent thermal resistance and high shrinkage properties through MD orientation instead of the conventional TD orientation method.
    Type: Application
    Filed: November 24, 2017
    Publication date: October 31, 2019
    Inventors: Seol-Hee LIM, Sung-Gi KIM, So-Yeon KIM