Ho Sik Roh

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Uiwang-shi, KR

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Patents Grantslast 30 patents

Information Patent Grant
Hydroxy pyranone derivative and preparation method thereof
- Patent number 6,916,844
- Issue date Jul 12, 2005
- Amorepacific Corporation
- Ho Sik Roh
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Hydroxy pyranone derivative and preparation method thereof
- Publication number 20030236299
- Publication date Dec 25, 2003
- Ho Sik Roh
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE