Haeun Chemtec Co., Ltd.

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Ansan-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing a double-sided printed circuit board
- Patent number 9,313,900
- Issue date Apr 12, 2016
- Inktec Co., Ltd.
- Kwang Choon Chung
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Polyelectrolyte composition for humidity senser, polyelectrolyte in...
- Patent number 7,771,620
- Issue date Aug 10, 2010
- Haeun Chemtec Co., Ltd
- Kwang Choon Chung
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Organic silver compound and it's preparation method, organic silver...
- Patent number 7,618,561
- Issue date Nov 17, 2009
- Haeun Chemtec Co. Ltd.
- Kwang Choon Chung
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Silicone aqueous emulsion release liquid and release film using the...
- Patent number 6,822,021
- Issue date Nov 23, 2004
- Toray Saehan Incorporation
- Sang Pil Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing release film using silicone aqueous emulsion r...
- Patent number 6,737,119
- Issue date May 18, 2004
- Toray Saehan Incorporation
- Sang Pil Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

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Patents Applicationslast 30 patents

Information Patent Application
Method for Manufacturing a Double-Sided Printed Circuit Board
- Publication number 20130056250
- Publication date Mar 7, 2013
- Haeun Chemtec Co., Ltd.
- Kwang Choon Chung
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Polyelectrolyte composition for humidity senser, polyelectrolyte in...
- Publication number 20070182791
- Publication date Aug 9, 2007
- Haeun Chemtec Co., Ltd.
- Kwang Choon Chung
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...