Kyum-Woo Choi

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Busan, KR

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Patents Grantslast 30 patents

Information Patent Grant
Fine powder of waste polyurethane foam and method of manufacturing...
- Patent number 7,559,492
- Issue date Jul 14, 2009
- Industry-Academic Cooperation Foundation Gyeongsang National University
- Jin-Kuk Kim
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Fine powder of waste polyurethane foam and method of manufacturing...
- Publication number 20080116304
- Publication date May 22, 2008
- Industry-Academic Cooperation Foundation Gyeongsang National University
- Jin-Kuk Kim
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL