Application

19321443 · Modified Graphite-Coated Soft Particle and Method for Preparing Same, and Profile Control and Water Shutoff Agent and Application Thereof

Filed 2025-09-08 · Granted · Patent 12686807 (2026-07-21) The official file ↗The patent and its PDF ↗ · Art unit 1766 · Examiner Aiqun Li Typical · CPC C09K 8/487 · China University of Petroleum (East China) · Calfee, Halter & Griswold LLP

Office actions

first was Restriction requirement

RCEs

no appeal

To first action

1.6 mo

to disposition 10.4 mo

Statutes raised

103 112

1 actions read

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