Kee-Kahb KOO

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing L-methionine crystals using crystallization te...
- Patent number 10,870,619
- Issue date Dec 22, 2020
- CJ Cheiljedang Corporation
- Jun-Woo Kim
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
System and method for recycling high-boiling-point waste photoresis...
- Patent number 9,168,468
- Issue date Oct 27, 2015
- Korex Corporation
- Ho Kyung Lee
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
System and method for recycling high-boiling-point waste photoresis...
- Patent number 8,961,744
- Issue date Feb 24, 2015
- Korex Corporation
- Ho Kyung Lee
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Preparation of iron(II) acetate powder from a low grade magnetite
- Patent number 7,550,618
- Issue date Jun 23, 2009
- Korea Institute of Geoscience & Mineral Resources
- Hee Dong Jang
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR RECYCLING HIGH-BOILING-POINT WASTE PHOTORESIS...
- Publication number 20150129409
- Publication date May 14, 2015
- KOREX CORPORATION
- Ho Kyung LEE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PREPARATION OF IRON (II) ACETATE POWDER FROM A LOW GRADE MAGNETITE
- Publication number 20090105493
- Publication date Apr 23, 2009
- KOREA INSTITUTE OF GEOSCIENCE & MINERAL RESOURCES
- Hee Dong Jang
- C07 - ORGANIC CHEMISTRY