Xiaorong QIN

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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 8,088,933
- Issue date Jan 3, 2012
- Hubei Dinglong Chemical Co., Ltd.
- Xiaorong Qin
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
CHARGE CONTROL AGENT AND TONER COMPRISING THE SAME
- Publication number 20080261137
- Publication date Oct 23, 2008
- HUBEI DINGLONG CHEMICAL CO., LTD
- Xiaorong QIN
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY