Inventor · disambiguated record
Chang Da
Also filed as: DA CHANG
2 granted patents·0 citations·filing 2020–2020
21Inventor score
Files withSAUDI ARABIAN OIL CO2
Top patents by PatentIndex Score
2 records- 0147US11066594B2Fluoropolymers to reduce retention of nanosurfactants to carbonate reservoir rock for applications in oil fieldsSAUDI ARABIAN OIL CO·Filed 2020·Granted Jul 20, 2021·0 cites·41 claims
- 0237US11084972B2Surface charge modified nanosurfactants for reduced retention by reservoir rockSAUDI ARABIAN OIL CO·Filed 2020·Granted Aug 10, 2021·0 cites·21 claims
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