Ching-Hsin Chang

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Yulin County, TW

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Patents Grantslast 30 patents

Information Patent Grant
Biodegradable waterproof paper and manufacturing method for the same
- Patent number 8,445,070
- Issue date May 21, 2013
- Wei Mon Industry Co., Ltd.
- Ching-Hsin Chang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
BIODEGRADABLE TWO-LIQUID TYPE FOAMING COMPOSITION
- Publication number 20120010311
- Publication date Jan 12, 2012
- WEI MON INDUSTRY CO., LTD.
- Ching-Hsin Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
BIODEGRADABLE WATERPROOF PAPER AND MANUFACTURING METHOD FOR THE SAME
- Publication number 20100323212
- Publication date Dec 23, 2010
- WEI MON INDUSTRY CO., LTD.
- Ching-Hsin Chang
- B32 - LAYERED PRODUCTS