Cheng-Tyng Yen

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Kaohsiung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Precursor solution for polyimide/silica composite material, its man...
- Patent number 8,101,703
- Issue date Jan 24, 2012
- Eternal Chemical Co., Ltd.
- Chung-Jen Wu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Precursor solution for polyimide/silica composite material, its man...
- Patent number 7,790,828
- Issue date Sep 7, 2010
- Eternal Chemical Co., Ltd.
- Chung-Jen Wu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
PRECURSOR SOLUTION FOR POLYIMIDE/SILICA COMPOSITE MATERIAL, ITS MAN...
- Publication number 20100297455
- Publication date Nov 25, 2010
- ETERNAL CHEMICAL CO., LTD.
- Chung-Jen Wu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Precursor solution for polyimide/silica composite material, its man...
- Publication number 20050245715
- Publication date Nov 3, 2005
- ETERNAL CHEMICAL CO., LTD.
- Chung-Jen Wu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...