Wei Zhang

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Xinxiang City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Color-developing agent resin composition, emulsion thereof and meth...
- Patent number 7,153,628
- Issue date Dec 26, 2006
- Zonglai Liu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Color-developing agent resin composition, emulsion thereof and meth...
- Publication number 20050095526
- Publication date May 5, 2005
- Zonglai Liu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...