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Hang-Duk Roh
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Gyeonggi, KR
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Patents Grants
last 30 patents
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Patent Grant
Cellulase-producing novel strain and saccharification method using...
Patent number
10,196,661
Issue date
Feb 5, 2019
SK Chemicals Co., Ltd.
Jung Kul Lee
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Method and apparatus for preparing fatty acid alkyl ester using fat...
Patent number
7,951,967
Issue date
May 31, 2011
SK Chemicals Co., Ltd.
Shin-ho Chun
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for refining 2,6-naphthalene dicarboxylic acid
Patent number
7,153,998
Issue date
Dec 26, 2006
SK Chemical Co., Ltd.
Jong-In Lee
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
CELLULASE-PRODUCING NOVEL STRAIN AND SACCHARIFICATION METHOD USING...
Publication number
20170226548
Publication date
Aug 10, 2017
SK CHEMICALS CO., LTD.
Jung Kul Lee
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
CELLULASE-PRODUCING NOVEL STRAIN AND SACCHARIFICATION METHOD USING...
Publication number
20150203808
Publication date
Jul 23, 2015
SK CHEMICALS CO., LTD.
Jung Kul Lee
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
METHOD AND APPARATUS FOR PREPARING FATTY ACID ALKYL ESTER USING FAT...
Publication number
20100228042
Publication date
Sep 9, 2010
Shin-ho Chun
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Preparation method of naphthalene dicarboxylic acid
Publication number
20060167310
Publication date
Jul 27, 2006
Jong-In Lee
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for refining 2,6-naphthalene dicarboxylic acid
Publication number
20050261518
Publication date
Nov 24, 2005
Jong-In Lee
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method of producing trimellitic acid
Publication number
20050215815
Publication date
Sep 29, 2005
Hang-Duk Roh
C07 - ORGANIC CHEMISTRY