Gil Wan Chang

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Chungcheongbuk-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Pearlescent pigments with large aspect ratio and a method of their...
- Patent number 8,287,636
- Issue date Oct 16, 2012
- Korea Research Institute of Chemical Technology
- Jung Min Lee
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Flaky alpha-alumina crystals with large aspect ratio and a preparat...
- Patent number 7,993,746
- Issue date Aug 9, 2011
- Korea Research Institute of Chemical Technology
- Jung Min Lee
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
FLAKY ALPHA-ALUMINA CRYSTALS WITH LARGE ASPECT RATIO AND A PREPARAT...
- Publication number 20100015445
- Publication date Jan 21, 2010
- Jung Min Lee
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PEARLESCENT PIGMENTS WITH LARGE ASPECT RATIO AND A METHOD OF THEIR...
- Publication number 20090320719
- Publication date Dec 31, 2009
- Jung Min Lee
- C01 - INORGANIC CHEMISTRY