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Won Sik Gwak
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Gyeongsangnam-do, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Method of purifying 1,5-diaminopentane
Patent number
11,098,004
Issue date
Aug 24, 2021
CJ Cheiljedang Corporation
Seok Hyun Kang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for purifying 1,4-diaminobutane
Patent number
10,450,262
Issue date
Oct 22, 2019
CJ CHEILJEDANG CORPORATION
Won Sik Gwak
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Refining method of organic amine
Patent number
9,963,421
Issue date
May 8, 2018
CJ Cheiljedang Corp.
Won Sik Gwak
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Method for purifying 1,4-diaminobutane, 1,4-diaminobutane purified...
Patent number
9,376,370
Issue date
Jun 28, 2016
CJ CheilJedang Corp.
Won Sik Gwak
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Recombinant microorganism having an enhanced ability to produce put...
Patent number
9,290,771
Issue date
Mar 22, 2016
CJ Cheiljedang Corporation
Kyoung Min Lee
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Method for separating and purifying 1,4-diaminobutane from fermente...
Patent number
8,927,774
Issue date
Jan 6, 2015
CJ Cheiljedang Corporation
Won Sik Gwak
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PREPARING AMINO ACID MIXED SOLID AND APPARATUS FOR PREPA...
Publication number
20230392175
Publication date
Dec 7, 2023
CJ CHEILJEDANG CORPORATION
Daeyoung JEONG
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
METHOD FOR PREPARING AMINO ACID GRANULE FROM FERMENTATION BROTH
Publication number
20230240332
Publication date
Aug 3, 2023
CJ CHEILJEDANG CORPORATION
Min Kyung Kwon
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
METHOD OF PURIFYING 1,5-DIAMINOPENTANE
Publication number
20200270198
Publication date
Aug 27, 2020
CJ CHEILJEDANG CORPORATION
Seok Hyun KANG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PURIFYING 1,4-DIAMINOBUTANE
Publication number
20180127351
Publication date
May 10, 2018
CJ CHEILJEDANG CORPORATION
Won Sik GWAK
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
REFINING METHOD OF ORGANIC AMINE
Publication number
20170015616
Publication date
Jan 19, 2017
CJ CHEILJEDANG CORP.
Won Sik GWAK
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
METHOD FOR PURIFYING 1,4-DIAMINOBUTANE, 1,4-DIAMINOBUTANE PURIFIED...
Publication number
20150284315
Publication date
Oct 8, 2015
CJ CHEILJEDANG CORP.
Won Sik Gwak
C07 - ORGANIC CHEMISTRY
Information
Patent Application
RECOMBINANT MICROORGANISM HAVING IMPROVED PUTRESCINE PRODUCING ABIL...
Publication number
20140363859
Publication date
Dec 11, 2014
CJ CHEILJEDANG CORPORATION
Kyoung Min Lee
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
METHOD FOR SEPARATING AND PURIFYING 1,4-DIAMINOBUTANE FROM FERMENTE...
Publication number
20140213824
Publication date
Jul 31, 2014
CJ CHEILJEDANG CORPORATION
Won Sik Gwak
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...