Patents by Inventor Bog Ki Hong

Bog Ki Hong 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: 20210047443
    Abstract: A polyethylene according to the present disclosure maintains a stable crystal structure at a high temperature and ensures excellent uniformity in chlorine distribution, thereby preparing a chlorinated polyethylene having excellent chlorination productivity and thermal stability by reacting with chlorine, and may also prepare a PVC compound with improved impact strength by including the chlorinated polyethylene.
    Type: Application
    Filed: December 10, 2019
    Publication date: February 18, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Cheolhwan Jeong, Si Jung Lee, Bog Ki Hong, Sunghyun Park, Sun Mi Kim, Yi Young Choi
  • Patent number: 10815324
    Abstract: Provided is an ethylene/alpha-olefin copolymer having excellent environmental stress crack resistance.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: October 27, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Soon Ho Sun, Yo Han Bae, Hyeong Il Lee, Yi Young Choi, Bog Ki Hong, Sung Min Lee, Sun Mi Kim, Jin Young Park
  • Patent number: 10793651
    Abstract: The present invention relates to polyethylene resin having excellent impact strength, and more specifically, to polyethylene resin exhibiting excellent impact strength and flexural strength, when prepared into a molded product.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: October 6, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Bog Ki Hong, Kyung Jin Cho, Chang Woan Han, Soon Ho Sun, Sun Mi Kim, Yi Young Choi, Ki Soo Lee
  • Patent number: 10774163
    Abstract: The ethylene/1-hexene copolymer according to the present invention has excellent processability and mechanical properties, and thus can be applied to various fields such as food containers.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: September 15, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Sung Min Lee, Yi Young Choi, Bog Ki Hong, Soon Ho Sun, Sun Mi Kim, Jin Young Park, Ki Soo Lee
  • Publication number: 20200282609
    Abstract: The present application relates to a method for selecting an injection-molded article and a method for manufacturing an injection-molded article.
    Type: Application
    Filed: September 29, 2017
    Publication date: September 10, 2020
    Inventors: Hyun Sup LEE, Soon Ho SUN, Yi Young CHOI, Ki Soo LEE, Bog Ki HONG, Sung Hyun PARK, Myung Han LEE, Chang Kwon CHUNG
  • Patent number: 10766988
    Abstract: The present disclosure relates to an ethylene/alpha-olefin copolymer having excellent processibility. The ethylene/alpha-olefin copolymer according to the present disclosure is excellent in both mechanical properties and processibility.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: September 8, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Soon Ho Sun, Yi Young Choi, Ki Soo Lee, Bog Ki Hong, Sung Hyun Park, Myung Han Lee, Sung Min Lee, Sun Mi Kim, Jin Young Park
  • Patent number: 10704997
    Abstract: The present invention relates to a method for evaluating the properties of a plastic resin molded product, more specifically to a novel method for evaluating the properties of a plastic resin molded product that can exactly derive impact resistance of practically prepared molded products, using the property measurement values by the existing ASTM.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: July 7, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Bog Ki Hong, Sung Hyun Park, Hyun Sup Lee, Yi Young Choi, Myung Han Lee, Soon Ho Sun
  • Patent number: 10669363
    Abstract: The present invention relates to a catalyst composition for synthesizing an olefin copolymer, including a first metallocene catalyst, a second metallocene catalyst, and a third metallocene catalyst, each having a specific structure, and a method for preparing an olefin copolymer using the catalyst composition for synthesizing an olefin copolymer.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: June 2, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Jin Young Park, Yi Young Choi, Bog Ki Hong, Sung Min Lee, Soon Ho Sun, Sun Mi Kim
  • Patent number: 10604596
    Abstract: The present disclosure relates to a novel metallocene supported catalyst, and a method for preparing a polyolefin using the same. The metallocene supported catalyst according to the present disclosure exhibits a high polymerization activity even when the metallocene compound is supported on a support, thereby showing an excellent activity and preparing a polyolefin having a high molecular weight.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: March 31, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Kyung Jin Cho, Ki Soo Lee, Sung Min Lee, Bog Ki Hong, Min Seok Cho, Se Young Kim, Chang Woan Han
  • Publication number: 20200048381
    Abstract: Provided is an ethylene/alpha-olefin copolymer having excellent environmental stress crack resistance.
    Type: Application
    Filed: November 2, 2017
    Publication date: February 13, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Soon Ho Sun, Yo Han Bae, Hyeong Il Lee, Yi Young Choi, Bog Ki Hong, Sung Min Lee, Sun Mi Kim, Jin Young Park
  • Patent number: 10544247
    Abstract: The present disclosure relates to a supported hybrid metallocene catalyst and a method for preparing a polyolefin using the same. When the supported hybrid metallocene catalyst according to the present disclosure is used, a polyolefin with a multimodal molecular weight distribution and excellent environmental stress crack resistance can be prepared.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: January 28, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Sun Mi Kim, Yi Young Choi, Ki Soo Lee, Bog Ki Hong, Sung Min Lee, Soon Ho Sun, Jin Young Park
  • Publication number: 20200010584
    Abstract: The present invention relates to polyethylene resin having excellent impact strength, and more specifically, to polyethylene resin exhibiting excellent impact strength and flexural strength, when prepared into a molded product.
    Type: Application
    Filed: November 6, 2017
    Publication date: January 9, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Bog Ki Hong, Kyung Jin Cho, Chang Woan Han, Soon Ho Sun, Sun Mi Kim, Yi Young Choi, Ki Soo Lee
  • Patent number: 10450390
    Abstract: Provided are a novel metallocene compound, a metallocene-supported catalyst, and a method of preparing a polyolefin using the same. The metallocene-supported catalyst according to the present disclosure exhibits a high polymerization activity even when the metallocene compound is supported on a support, thereby showing an excellent activity and preparing a polyolefin having a high molecular weight.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: October 22, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Sung Min Lee, Bog Ki Hong, Kyung Jin Cho, Se Young Kim, Chang Woan Han, Ki Soo Lee, Eun Kyoung Song
  • Patent number: 10385146
    Abstract: The present disclosure relates to a novel metallocene compound. The metallocene compound according to the present disclosure may be used for the preparation of an olefin-based polymer, may have excellent ability, and may produce an olefin-based polymer having a relatively high molecular weight compared with the case of using a catalyst composition having a similar structure due to the structural and electrical steric hindrance effect.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: August 20, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Kyung Jin Cho, Ki Soo Lee, Sung Min Lee, Bog Ki Hong, Min Seok Cho, Se Young Kim, Chang Woan Han
  • Publication number: 20190119421
    Abstract: The present disclosure relates to an ethylene/alpha-olefin copolymer having excellent processibility. The ethylene/alpha-olefin copolymer according to the present disclosure is excellent in both mechanical properties and processibility.
    Type: Application
    Filed: November 2, 2017
    Publication date: April 25, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Soon Ho Sun, Yi Young Choi, Ki Soo Lee, Bog Ki Hong, Sung Hyun Park, Myung Han Lee, Sung Min Lee, Sun Mi Kim, Jin Young Park
  • Publication number: 20190119420
    Abstract: The present invention relates to a catalyst composition for synthesizing an olefin copolymer, including a first metallocene catalyst, a second metallocene catalyst, and a third metallocene catalyst, each having a specific structure, and a method for preparing an olefin copolymer using the catalyst composition for synthesizing an olefin copolymer.
    Type: Application
    Filed: September 20, 2017
    Publication date: April 25, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Jin Young Park, Yi Young Choi, Bog Ki Hong, Sung Min Lee, Soon Ho Sun, Sun Mi Kim
  • Publication number: 20190100611
    Abstract: The ethylene/1-hexene copolymer according to the present invention has excellent processability and mechanical properties, and thus can be applied to various fields such as food containers.
    Type: Application
    Filed: August 7, 2017
    Publication date: April 4, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Sung Min Lee, Yi Young Choi, Bog Ki Hong, Soon Ho Sun, Sun Mi Kim, Jin Young Park, Ki Soo Lee
  • Publication number: 20190085100
    Abstract: The present invention relates to a hybrid supported metallocene catalyst and a polyolefin preparation method using the same. Using the hybrid supported metallocene catalyst can not only significantly reduce the amount of wax produced when polymerizing olefin monomers, but can also enhance the stress cracking resistance of the polyolefin that is prepared.
    Type: Application
    Filed: January 12, 2017
    Publication date: March 21, 2019
    Inventors: Eun Kyoung SONG, Hyuck Ju KWON, Yi Young CHOI, Bog Ki HONG, Kyung Jin CHO, Joong Soo KIM, Sun Mi KIM
  • Publication number: 20190062474
    Abstract: The present disclosure relates to a supported hybrid metallocene catalyst and a method for preparing a polyolefin using the same. When the supported hybrid metallocene catalyst according to the present disclosure is used, a polyolefin with a multimodal molecular weight distribution and excellent environmental stress crack resistance can be prepared.
    Type: Application
    Filed: November 3, 2017
    Publication date: February 28, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Sun Mi Kim, Yi Young Choi, Ki Soo Lee, Bog Ki Hong, Sung Min Lee, Soon Ho Sun, Jin Young Park
  • Publication number: 20180217039
    Abstract: The present invention relates to a method for evaluating the properties of a plastic resin molded product, more specifically to a novel method for evaluating the properties of a plastic resin molded product that can exactly derive impact resistance of practically prepared molded products, using the property measurement values by the existing ASTM.
    Type: Application
    Filed: March 9, 2017
    Publication date: August 2, 2018
    Inventors: Bog Ki HONG, Sung Hyun PARK, Hyun Sup LEE, Yi Young CHOI, Myung Han LEE, Soon Ho SUN