WOONGJINCOWAY CO., LTD.

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Kongju-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Spiral wound type filter cartridge
- Patent number 8,506,807
- Issue date Aug 13, 2013
- Woongjincoway Co., Ltd.
- Sun-Yong Lee
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Polyamide reverse osmosis composite membrane and preparation method...
- Patent number 7,766,173
- Issue date Aug 3, 2010
- Woongjincoway Co., Ltd.
- Moo-Kyung Moon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation method of polyamide thin film composite reverse osmosis...
- Patent number 7,598,296
- Issue date Oct 6, 2009
- Woongjincoway Co., Ltd.
- Je-Kang Yoo
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

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Patents Applicationslast 30 patents

Information Patent Application
SPIRAL WOUND TYPE FILTER CARTRIDGE
- Publication number 20110062076
- Publication date Mar 17, 2011
- WOONGJINCOWAY CO., LTD.
- Sun-Yong Lee
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL