Delian YI

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Wuhan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Charge control agent and toner comprising the same
- Patent number 7,943,688
- Issue date May 17, 2011
- Hubei Dinglong Chemical Co., Ltd.
- Delian Yi
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
CHARGE CONTROL AGENT AND TONER COMPRISING THE SAME
- Publication number 20080255282
- Publication date Oct 16, 2008
- HUBEI DINGLONG CHEMICAL CO., LTD
- Delian YI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...