Hak-Sun Jang

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Ulsan, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing high-purity polyethyleneglycol aldehyde deriva...
- Patent number 8,349,969
- Issue date Jan 8, 2013
- ID Biochem, Inc.
- Pyeong-uk Park
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PREPARING HIGH-PURITY POLYETHYLENEGLYCOL ALDEHYDE DERIVA...
- Publication number 20110071262
- Publication date Mar 24, 2011
- ID BIOCHEM, INC.
- Pyeong-uk Park
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...