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Boo-Youn LEE
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Gyeonggi-do, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Stretched polyester film and method for preparing the same
Patent number
12,168,723
Issue date
Dec 17, 2024
SK Chemicals Co., Ltd.
Da-Young Hwang
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polyester resin comprising regenerated bis(2-hydroxyethyl)terephtha...
Patent number
12,018,118
Issue date
Jun 25, 2024
SK Chemicals Co., Ltd.
Da-Young Hwang
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polyester container and manufacturing method therefor
Patent number
11,787,901
Issue date
Oct 17, 2023
SK Chemicals Co., Ltd.
Yoo Jin Lee
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polyester resin, method for preparing same, and resin molded produc...
Patent number
11,713,373
Issue date
Aug 1, 2023
SK Chemicals Co., Ltd.
Yoo Jin Lee
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyester container and manufacturing method therefor
Patent number
11,492,444
Issue date
Nov 8, 2022
SK Chemicals Co., Ltd.
Yoo Jin Lee
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyester resin, method for preparing same, and resin molded produc...
Patent number
11,447,603
Issue date
Sep 20, 2022
SK Chemicals Co., Ltd.
Yoo Jin Lee
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyester film and manufacturing method thereof
Patent number
11,396,579
Issue date
Jul 26, 2022
SK Chemicals Co., Ltd.
Yoo Jin Lee
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
POLYESTER COPOLYMER HAVING IMPROVED EXTRUSION PROCESSABILITY, COMPR...
Publication number
20240409683
Publication date
Dec 12, 2024
SK Chemicals Co., Ltd.
Da-Young HWANG
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
STRETCHED POLYESTER FILM AND METHOD FOR PREPARING THE SAME
Publication number
20240343870
Publication date
Oct 17, 2024
SK CHEMICALS CO., LTD.
Da-Young HWANG
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
POLYESTER COPOLYMER COMPRISING RECYCLED MONOMERS
Publication number
20240270901
Publication date
Aug 15, 2024
SK Chemicals Co., Ltd.
Da-Young HWANG
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYESTER RESIN COMPRISING REGENERATED BIS(2-HYDROXYETHYL)TEREPHTHA...
Publication number
20240158568
Publication date
May 16, 2024
SK Chemicals Co., Ltd.
Da-Young HWANG
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
POLYESTER FIBER, PREPARAION METHOD THEREOF AND MOLDED ARTICLE FORME...
Publication number
20240044051
Publication date
Feb 8, 2024
SK Chemicals Co., Ltd.
Boo-youn LEE
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
POLYESTER RESIN BLEND, POLYESTER FILM AND PREPARATION METHOD THEREOF
Publication number
20220389214
Publication date
Dec 8, 2022
SK Chemicals Co., Ltd.
Boo-Youn LEE
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
POLYESTER CONTAINER AND MANUFACTURING METHOD THEREFOR
Publication number
20220380595
Publication date
Dec 1, 2022
SK Chemicals Co., Ltd.
Yoo Jin LEE
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
POLYESTER RESIN, METHOD FOR PREPARING SAME, AND RESIN MOLDED PRODUC...
Publication number
20220380529
Publication date
Dec 1, 2022
SK Chemicals Co., Ltd.
Yoo Jin LEE
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYESTER FIBER, PREPARATION METHOD THEREFOR, AND MOLDED ARTICLE FO...
Publication number
20200173060
Publication date
Jun 4, 2020
SK Chemicals Co., Ltd.
Boo-youn LEE
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYESTER CONTAINER AND MANUFACTURING METHOD THEREFOR
Publication number
20200172662
Publication date
Jun 4, 2020
SK Chemicals Co., Ltd.
Yoo Jin LEE
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYESTER FILM AND MANUFACTURING METHOD THEREOF
Publication number
20200148816
Publication date
May 14, 2020
SK Chemicals Co., Ltd.
Yoo Jin LEE
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
POLYESTER RESIN, METHOD FOR PREPARING SAME, AND RESIN MOLDED PRODUC...
Publication number
20200087450
Publication date
Mar 19, 2020
SK Chemicals Co., Ltd.
Yoo Jin LEE
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...