Cheun Gwo CHEN

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Shanghai Baoshan District, CN

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Patents Grantslast 30 patents

Information Patent Grant
Polyurethane sealant
- Patent number 10,280,248
- Issue date May 7, 2019
- BASF SE
- Yue Xia Feng
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
POLYURETHANE SEALANT
- Publication number 20160280837
- Publication date Sep 29, 2016
- BASF SE
- YueXia FENG
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...