Youngkyoung Pak

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Preparation method of peg-maleimide derivatives
- Patent number 6,828,401
- Issue date Dec 7, 2004
- SunBio Inc.
- Kwang Nho
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
NOVEL PREPARATION METHOD OF PEG-MALEIMIDE DERIVATIVES
- Publication number 20040225097
- Publication date Nov 11, 2004
- Kwang Nho
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Novel hexa-arm polyethylene glycol and its derivatives and the meth...
- Publication number 20040096507
- Publication date May 20, 2004
- SunBio Inc.
- Nho Kwang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...