Young-Hoon Park

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Kyeongki-Do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Quaternary ammonium salt for photo-curable antifogging composition,...
- Patent number 6,176,906
- Issue date Jan 23, 2001
- Ventree Co., Ltd.
- Haeng-Woo Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Quaternary ammonium salt for photo-curable antifogging composition,...
- Patent number 6,096,925
- Issue date Aug 1, 2000
- Ventree Co., Ltd.
- Haeng-Woo Lee
- C07 - ORGANIC CHEMISTRY