Yong K. Chang

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Patents Grantslast 30 patents

Information Patent Grant
Hydrocracking catalyst based on hierarchically porous beta zeolite...
- Patent number 10,793,785
- Issue date Oct 6, 2020
- Korea Advanced Institute of Science and Technology
- Yong Keun Chang
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method for manufacturing organic acid by high-efficiency continuous...
- Patent number 6,596,521
- Issue date Jul 22, 2003
- Korea Advanced Institute of Science and Technology
- Ho Nam Chang
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Gordona sp. CYKS1 (KCTC 0431BP) capable of desulfurizing fossil fue...
- Patent number 6,204,046
- Issue date Mar 20, 2001
- Korea Advanced Institute of Science and Technology
- Yong Keun Chang
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Norcardia sp. CKYS2 ((KCTC 0432BP) capable of desulfurizing fossil...
- Patent number 6,197,570
- Issue date Mar 6, 2001
- Korea Advanced Institute of Science and Technology
- Yong Keun Chang
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Bubble column reactor with dispersing devices
- Patent number 5,242,643
- Issue date Sep 7, 1993
- Korea Advanced Inst. of Science & Technology
- Sang D. Kim
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
FUCOSE SEPARATION METHOD AND APPARATUS THEREFOR
- Publication number 20200216483
- Publication date Jul 9, 2020
- ADVANCED BIOMASS R&D CENTER
- Yong Keun CHANG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
HYDROCRACKING CATALYST BASED ON HIERARCHICALLY POROUS BETA ZEOLITE...
- Publication number 20190136142
- Publication date May 9, 2019
- ADVANCED BIOMASS R&D CENTER
- Yong Keun Chang
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...