Application

12881303 · PURIFICATION OF OIL SANDS POND WATER

Filed 2010-10-04 · Granted · Patent 8597515 (2013-12-03) The official file ↗The patent and its PDF ↗ · Art unit 1777 · Examiner Katherine Marie Zalasky McDonald Typical · CPC C02F 1/444 · CHAMPIONX LLC · PETER A. DIMATTIA

Office actions

first was Non-final rejection

RCEs

no appeal

To first action

10.3 mo

to disposition 38.0 mo

Statutes raised

103 DP

4 actions read

Unlock the prosecution timelineIncluded in Pro, from $29 a month. Cancel any time.