Application

17602407 · SYSTEM AND METHOD FOR PREPARING ULTRAFINE SILICA BY LEACHING SILICATE ORE USING HYDROGEN CHLORIDE GAS

Filed 2021-10-08 · Granted · Patent 12011702 (2024-06-18) The official file ↗The patent and its PDF ↗ · Art unit 1778 · Examiner Joseph W Drodge Typical · CPC B01J 19/1881 · YUANCHU TECHNOLOGY (BEIJING) CO., LTD. · WESTMAN CHAMPLIN & KOEHLER, P.A.

Office actions

first was Non-final rejection

RCEs

no appeal

To first action

27.4 mo

to disposition 32.3 mo

Statutes raised

103 112

1 actions read

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