Application
19095881 · METHOD AND DEVICE FOR DETERMINING CONCENTRATION OF SURFACTANT SOLUTION FOR OIL DISPLACEMENT BY IMBIBITION
Filed 2025-03-31 · Granted · Patent 12372452 (2025-07-29) The official file ↗The patent and its PDF ↗ · Art unit 2896 · Examiner Nathaniel J Kolb Typical · CPC G01N 13/04 · YAN’ AN UNIVERSITY · HOWARD M COHN
Office actions
1
first was Non-final rejection
RCEs
0
no appeal
To first action
1.3 mo
to disposition 3.9 mo
Statutes raised
112
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