公开(公告)号：US10793651B2

公开(公告)日：2020-10-06

申请号：US16088177

申请日：2017-11-06

Applicant: LG Chem, Ltd.

Inventor： Bog Ki Hong ,  Kyung Jin Cho ,  Chang Woan Han ,  Soon Ho Sun ,  Sun Mi Kim ,  Yi Young Choi ,  Ki Soo Lee

IPC: C08F10/02 ,  C08F4/6592

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.

公开(公告)号：US20200172713A1

公开(公告)日：2020-06-04

申请号：US16633468

申请日：2019-03-20

Applicant: LG Chem, Ltd.

Inventor： Daehwan Kim ,  Yi Young Choi ,  Hyunsup Lee ,  Soon Ho Sun ,  Jong Young Bae

IPC: C08L23/08 ,  C08L23/06 ,  C08F210/16 ,  C08F4/6592

Abstract: The present invention provides polyolefin resin composition exhibiting excellent long term durability as well as improved properties, and an article prepared using the same.

公开(公告)号：US20190119420A1

公开(公告)日：2019-04-25

申请号：US15767920

申请日：2017-09-20

Applicant: LG Chem, Ltd.

Inventor： Jin Young Park ,  Yi Young Choi ,  Bog Ki Hong ,  Sung Min Lee ,  Soon Ho Sun ,  Sun Mi Kim

IPC: C08F210/16

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.

公开(公告)号：US10266626B2

公开(公告)日：2019-04-23

申请号：US15549103

申请日：2016-04-12

Applicant: LG CHEM, LTD.

Inventor： Yu Taek Sung ,  Soon Ho Sun ,  Sol Cho ,  Yi Young Choi ,  Ki Soo Lee

IPC: C08F210/16 ,  C08F4/6592 ,  C08F4/659

Abstract: The present invention relates to an ethylene/alpha-olefin copolymer. The ethylene/alpha-olefin copolymer according to the present invention has excellent processability and surface characteristics and thus can be usefully applied to various products.

公开(公告)号：US11214669B2

公开(公告)日：2022-01-04

申请号：US16633468

申请日：2019-03-20

Applicant: LG Chem, Ltd.

Inventor： Daehwan Kim ,  Yi Young Choi ,  Hyunsup Lee ,  Soon Ho Sun ,  Jong Young Bae

IPC: C08F210/16 ,  C08L23/06 ,  C08L23/08 ,  C08F4/6592

Abstract: The present invention provides polyolefin resin composition exhibiting excellent long term durability as well as improved properties, and an article prepared using the same.

公开(公告)号：US20200048381A1

公开(公告)日：2020-02-13

申请号：US16088661

申请日：2017-11-02

Applicant: LG Chem, Ltd.

Inventor： Soon Ho Sun ,  Yo Han Bae ,  Hyeong Il Lee ,  Yi Young Choi ,  Bog Ki Hong ,  Sung Min Lee ,  Sun Mi Kim ,  Jin Young Park

IPC: C08F210/16

Abstract: Provided is an ethylene/alpha-olefin copolymer having excellent environmental stress crack resistance.

公开(公告)号：US10344102B2

公开(公告)日：2019-07-09

申请号：US15504269

申请日：2015-09-04

Applicant: LG CHEM, LTD.

Inventor： Joong Soo Kim ,  Yu Taek Sung ,  Ki Soo Lee ,  Dae Sik Hong ,  Ki Heon Song ,  Eun Kyoung Song ,  Heon Yong Kwon ,  Yong Ho Lee ,  Dong Hoon Jeong ,  Soon Ho Sun ,  Sun Mi Kim

IPC: C08F4/648 ,  C08L23/08 ,  C08F4/659 ,  C08F210/16 ,  B01J27/24 ,  C08F4/6592 ,  C08F10/02

Abstract: Provided is an olefin-based polymer with excellent processability. The olefin-based polymer according to the present invention has a high molecular weight and a broad molecular weight distribution to show excellent processability and improved mechanical properties, thereby being usefully applied according to the intended use.

公开(公告)号：US10316116B2

公开(公告)日：2019-06-11

申请号：US15520359

申请日：2015-12-02

Applicant: LG CHEM, LTD.

Inventor： Dong Hoon Jeong ,  Heon Yong Kwon ,  Yu Taek Sung ,  Ki Soo Lee ,  Dae Sik Hong ,  Eun Young Shin ,  Soon Ho Sun

IPC: C08F210/16 ,  C08J5/18 ,  B29D7/01 ,  C08F10/14 ,  C08F10/08 ,  C08F210/14 ,  C08F210/02 ,  C08F4/659

Abstract: Provided are an olefin-based polymer having excellent melt strength and a film including the same. The olefin-based polymer according to the present invention may have excellent processability, haze and mechanical properties, and in particular, high melt strength, thereby being usefully applied to films, etc.

公开(公告)号：US20190119421A1

公开(公告)日：2019-04-25

申请号：US16094722

申请日：2017-11-02

Applicant: LG Chem, Ltd.

Inventor： 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

IPC: C08F210/16

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.

公开(公告)号：US11867600B2

公开(公告)日：2024-01-09

申请号：US16640864

申请日：2018-08-21

Applicant: LG Chem, Ltd.

Inventor： Hyunsup Lee ,  Sung Hyun Park ,  Soon Ho Sun ,  Yi Young Choi ,  Ki Soo Lee ,  Myung Han Lee

IPC: G01N11/08 ,  B29C45/00 ,  G01N25/04 ,  C08F210/16 ,  B29K105/00

CPC classification number: G01N11/08 ,  B29C45/0001 ,  C08F210/16 ,  G01N25/04 ,  B29K2023/06 ,  B29K2105/0094 ,  B29K2995/0063 ,  B29K2995/0088 ,  C08F2420/06

Abstract: The present invention relates to a method for evaluating an injection physical property of a plastic resin, and a polyethylene resin suitable for an injection molding process and, more particularly, to a novel method for evaluating an injection physical property of a plastic resin, which, when a particular plastic resin is processed by an injection process, can accurately derive injection suitability of the plastic resin and injection pressure in the injection process through a physical property value measured by using a resin specimen, and a polyethylene resin suitable for injection molding.