Hong Yoon Choi

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Busan, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method for treating waste petroleum
- Patent number 8,535,517
- Issue date Sep 17, 2013
- Hong Yoon Choi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR TREATING WASTE PETROLEUM
- Publication number 20100094073
- Publication date Apr 15, 2010
- Hong Yoon Choi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...