Yifan Yan

Follow

Person

Beijing, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Biodegradable linear random copolyester and process for preparing i...
- Patent number 7,332,562
- Issue date Feb 19, 2008
- China Petroleum and Chemical Corporation
- Wei Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Biodegradable linear random copolyster and process for preparing it...
- Publication number 20060142536
- Publication date Jun 29, 2006
- China Petroleum and Chemical Corporation
- Wei Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...