Pyeong-uk Park

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Gwangju, 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-...
Information Patent Grant
Preparing method of methoxypolyethyleneglycol and its derivatives
- Patent number 7,781,563
- Issue date Aug 24, 2010
- 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-...
Information Patent Application
PREPARING METHOD OF METHOXYPOLYETHYLENEGLYCOL ETHYLMALEIMIDE
- Publication number 20100311986
- Publication date Dec 9, 2010
- ID BIOCHEM, INC.
- Pyeong-Uk Park
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Preparing Method Of Methoxypolyethyleneglycol And Its Derivatives
- Publication number 20080090991
- Publication date Apr 17, 2008
- ID BIOCHEM INC.
- Pyeong-Uk Park
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...