Shuangquan ZHU

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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 8,029,959
- Issue date Oct 4, 2011
- Hubei Dinglong Chemical Co., Ltd.
- Lin Wu
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING ELECTROSTATIC IMAGE DEVELOPING TONER
- Publication number 20100015547
- Publication date Jan 21, 2010
- HUBEI DINGLONG CHEMICAL CO., LTD
- Shuangquan ZHU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGE CONTROL AGENT AND TONER COMPRISING THE SAME
- Publication number 20080227012
- Publication date Sep 18, 2008
- HUBEI DINGLONG CHEMICAL CO., LTD
- Lin WU
- C07 - ORGANIC CHEMISTRY