Application

17924187 · METHOD FOR ENHANCING OIL RECOVERY IN A SUBTERRANEAN CARBONATE FORMATION USING AN INJECTED AMPHOTERIC WATER-SOLUBLE POLYMER

Filed 2022-11-09 · Granted · Patent 11939522 (2024-03-26) The official file ↗The patent and its PDF ↗ · Art unit 3674 · Examiner Silvana C Runyan Typical · CPC C09K 8/588 · S.P.C.M. SA · STITES & HARBISON PLLC

Office actions

first was Non-final rejection

RCEs

no appeal

To first action

5.8 mo

to disposition 16.5 mo

Statutes raised

103 112

1 actions read

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