Prosecution Insights
Last updated: April 19, 2026

Sterling Specialty Chemicals Holding UK Limited

5 pending office actions

Portfolio Summary

5
Total Pending OAs
1
Final Rejections
4
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
19097454 SELF-INVERTIBLE POLYMERIC WATER-IN-OIL EMULSION AND ITS USE AS FRICTION REDUCERS SUE-AKO, ANDREW B. 3674 Non-Final OA Apr 01, 2025
18804760 INVERTING PACKAGES, EMULSIONS, AND METHODS SUE-AKO, ANDREW B. 3674 Final Rejection Aug 14, 2024
18566126 REAL TIME DETECTION OF SOLIDS CONTENT IN AQUEOUS COLLOIDAL DISPERSIONS SUCH AS OIL SANDS TAILINGS USING MICROWAVE SENSORS MORELLO, JEAN F 2855 Non-Final OA Dec 01, 2023
18376286 METHOD AND COMPOSITION FOR TREATING TAILINGS CAI, WENWEN 1763 Non-Final OA Oct 03, 2023
18248196 TAGGING AGENTS, ANTI-SCALANT POLYMER COMPOSITIONS, AND METHODS PERRIN, CLARE M 1779 Non-Final OA Apr 06, 2023

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