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WOORI FINE CHEM CO., LTD.
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Gyeonggi-do, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Method for manufacturing diisocyanate and optical lens
Patent number
12,146,023
Issue date
Nov 19, 2024
WOORI FINE CHEM CO., LTD.
Dal Seong Kim
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Diisocyanate composition, preparation method thereof and optical ma...
Patent number
12,049,437
Issue date
Jul 30, 2024
SK PUCORE CO., LTD.
Jaeyoung Pai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of preparing diisocyanate composition
Patent number
11,987,541
Issue date
May 21, 2024
SK PUCORE CO., LTD.
Jaeyoung Pai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of preparing diisocyanate composition and optical lens
Patent number
11,964,931
Issue date
Apr 23, 2024
SK PUCORE CO., LTD.
Jaeyoung Pai
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of preparing diisocyanate composition and optical lens
Patent number
11,932,591
Issue date
Mar 19, 2024
SKC Co., Ltd.
Jaeyoung Pai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Diamine composition, and method of preparing diisocyanate composition
Patent number
11,760,719
Issue date
Sep 19, 2023
SKC Co., Ltd.
Jaeyoung Pai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Diisocyanate composition, preparation method thereof and optical ma...
Patent number
11,731,936
Issue date
Aug 22, 2023
SKC Co., Ltd.
Jaeyoung Pai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Diisocyanate composition for optical lens and preparation method th...
Patent number
11,702,384
Issue date
Jul 18, 2023
SKC Co., Ltd.
Jaeyoung Pai
G02 - OPTICS
Information
Patent Grant
Method of preparing diisocyanate composition
Patent number
11,634,383
Issue date
Apr 25, 2023
SKC Co., Ltd.
Jaeyoung Pai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of preparing diisocyanate composition and optical lens
Patent number
11,518,737
Issue date
Dec 6, 2022
SKC Co., Ltd.
Jaeyoung Pai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of preparing diisocyanate composition
Patent number
11,339,121
Issue date
May 24, 2022
SKC Co., Ltd.
Jaeyoung Pai
C07 - ORGANIC CHEMISTRY
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Patents Applications
last 30 patents
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Patent Application
DIAMINE COMPOSITION, AND METHOD OF PREPARING DIISOCYANATE COMPOSITION
Publication number
20230357136
Publication date
Nov 9, 2023
SKC CO., LTD.
Jaeyoung PAI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD OF PREPARING DIISOCYANATE COMPOSITION
Publication number
20220234998
Publication date
Jul 28, 2022
SKC CO., LTD.
Jaeyoung PAI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD OF PREPARING DIISOCYANATE COMPOSITION AND OPTICAL LENS
Publication number
20220144761
Publication date
May 12, 2022
SKC CO., LTD.
Jaeyoung PAI
G02 - OPTICS
Information
Patent Application
METHOD FOR MANUFACTURING DIISOCYANATE AND OPTICAL LENS
Publication number
20210230352
Publication date
Jul 29, 2021
WOORI FINE CHEM CO., LTD.
Dal Seong KIM
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD OF PREPARING DIISOCYANATE COMPOSITION
Publication number
20210171446
Publication date
Jun 10, 2021
SKC CO., LTD.
Jaeyoung PAI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD OF PREPARING DIISOCYANATE COMPOSITION
Publication number
20210171449
Publication date
Jun 10, 2021
SKC CO., LTD.
Jaeyoung PAI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD OF PREPARING DIISOCYANATE COMPOSITION AND OPTICAL LENS
Publication number
20210171443
Publication date
Jun 10, 2021
SKC CO., LTD.
Jaeyoung PAI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD OF PREPARING DIISOCYANATE COMPOSITION AND OPTICAL LENS
Publication number
20210171444
Publication date
Jun 10, 2021
SKC CO., LTD.
Jaeyoung PAI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD OF PREPARING DIISOCYANATE COMPOSITION AND OPTICAL LENS
Publication number
20210171445
Publication date
Jun 10, 2021
SKC CO., LTD.
Jaeyoung PAI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
DIISOCYANATE COMPOSITION, PREPARATION METHOD THEREOF AND OPTICAL MA...
Publication number
20210171451
Publication date
Jun 10, 2021
SKC CO., LTD.
Jaeyoung PAI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
DIAMINE COMPOSITION, AND METHOD OF PREPARING DIISOCYANATE COMPOSITION
Publication number
20210171447
Publication date
Jun 10, 2021
SKC CO., LTD.
Jaeyoung PAI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
DIISOCYANATE COMPOSITION, PREPARATION METHOD THEREOF AND OPTICAL MA...
Publication number
20210171448
Publication date
Jun 10, 2021
SKC CO., LTD.
Jaeyoung PAI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
DIISOCYANATE COMPOSITION FOR OPTICAL LENS AND PREPARATION METHOD TH...
Publication number
20210171452
Publication date
Jun 10, 2021
SKC CO., LTD.
Jaeyoung PAI
C07 - ORGANIC CHEMISTRY