Wan-Sik Cha

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Kyungki-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Paper coating latex using ionic monomer
- Patent number 7,256,229
- Issue date Aug 14, 2007
- LG Chem Ltd.
- Seung-Uk Yeu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of preparing latex for coating paper
- Patent number 7,019,072
- Issue date Mar 28, 2006
- LG Chem, Ltd.
- Ho-Yeul Choi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Artificial pigment and method for preparing the same
- Patent number 6,750,297
- Issue date Jun 15, 2004
- LG Chem, Ltd.
- Seung-Uk Yeu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Paper coating latex using ionic monomer
- Publication number 20040249055
- Publication date Dec 9, 2004
- Seung-Uk Yeu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method of preparing latex for coating paper
- Publication number 20030105222
- Publication date Jun 5, 2003
- Ho-Yeul Choi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Artifical pigment and method for preparing the same
- Publication number 20030008945
- Publication date Jan 9, 2003
- Seung-Uk Yeu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE