Inventor · disambiguated record
Duoshan Zhao
Also filed as: ZHAO DUOSHAN
1 granted patent·1 pending application·2 citations·filing 2006–2009
17Inventor score
Technology areasC07C
Files withWANG MINGHUA2
Top patents by PatentIndex Score
2 records- 0161US7994378B2Process of butadiene-1, 3 extractionWANG MINGHUA·Filed 2009·Granted Aug 9, 2011·2 cites·2 claims
- 0231US2007149840A1Technology to improve yield and capacity of the butadiene extraction facility which uses C4 as feedstock supplied by ethylene plantWANG MINGHUA·Filed 2006·Application pending·0 cites
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