Choong Kyun Yeom

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Daejeon, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for on-line measurement of the permeation char...
- Patent number 6,335,202
- Issue date Jan 1, 2002
- Korea Research Institute of Chemical Technology
- Jung Min Lee
- G01 - MEASURING TESTING
Information Patent Grant
Polyion complex separation membrane with a double structure
- Patent number 6,325,218
- Issue date Dec 4, 2001
- Korea Research Institute of Chemical Technology
- Jung Min Lee
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for preparing controlled-released chitosan microcapsule
- Patent number 6,228,291
- Issue date May 8, 2001
- Korea Research Institute of Chemical Company
- Jung-min Lee
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL