Prosecution Insights
Last updated: April 19, 2026

Calgon Carbon Corporation

3 pending office actions

Portfolio Summary

3
Total Pending OAs
2
Final Rejections
1
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
18165537 ANTI-VIRAL GRANULAR ACTIVATED CARBON FOR GAS PHASE FILTRATION APPLICATIONS CLEVELAND, TIMOTHY C 1774 Final Rejection Feb 07, 2023
18055680 SORBENT DEVICES QUIST, NICOLE LEE 1738 Final Rejection Nov 15, 2022
17322351 SORBENT DEVICES JEONG, YOUNGSUL 1772 Non-Final OA May 17, 2021

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