Weiqi Huang

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Storage-stable modified asphalt composition and its preparation pro...
- Patent number 6,713,539
- Issue date Mar 30, 2004
- China Petroleum and Chemical Corporation
- Shuhua Guo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Storage-stable modified asphalt composition and its preparation pro...
- Publication number 20020068776
- Publication date Jun 6, 2002
- China Petrochemical Corporation
- Shuhua Guo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...