Inventor · disambiguated record
Guohua Cao
Also filed as: CAO GUOHUA
3 granted patents·1 pending application·71 citations·filing 2007–2008
66Inventor score
Top patents by PatentIndex Score
4 records- 0195US7629299B2Process for recovering residual oil employing alcohol ether sulfonatesOIL CHEM TECHNOLOGIES·Filed 2008·Granted Dec 8, 2009·70 cites·10 claims
- 0270US7605287B2Polyalkylated arylalkyl sulfonic acids and their saltsOIL CHEM TECHNOLOGIES·Filed 2007·Granted Oct 20, 2009·1 cites·13 claims
- 0355US7678937B2Polyalkylated arylalkyl sulfonic acids and their saltsBERGER PAUL DANIEL·Filed 2007·Granted Mar 16, 2010·0 cites·8 claims
- 0447US2008261835A1Surfactant based compositions and process for heavy oil recoveryBERGER PAUL DANIEL·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →