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Delian Yi

HCHubei Dinglong Chemical Co.: 1 patents #2 of 5Top 40%
Overall (2011): #316,232 of 364,097Top 90%
1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7943688 Charge control agent and toner comprising the same Lin Wu, Shunquan ZHU 2011-05-17

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Dennis Yelton1
Der-Chyang Yeh1