Prosecution Insights
Last updated: April 19, 2026

Obwb - Solvay (Eco)

12 pending office actions • 4 clients

Portfolio Summary

12
Total Pending OAs
6
Final Rejections
6
Non-Final OAs

Client Portfolio (4 clients)

Client (Assignee)Pending OAs
Rhodia Operations 4
Solvay SA 3
Rhodia Brasil S.A. 3
Solvay SA 2

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
18789072 PRECIPITATED SILICA WITH IMPROVED PROCESSING PROPERTIES Rhodia Operations DAVIS, SHENG HAN 1732 Final Rejection Jul 30, 2024
18430385 FUNCTIONALIZED PARTICULATE BICARBONATE AS BLOWING AGENT, FOAMABLE POLYMER COMPOSITION CONTAINING IT, AND ITS USE IN MANUFACTURING A THERMOPLASTIC FOAMED POLYMER Solvay SA KRYLOVA, IRINA 1764 Final Rejection Feb 01, 2024
18564390 COMPOSITION OF ALUMINIUM OXIDE AND CERIUM OXIDE WITH A PARTICULAR POROSITY PROFILE Rhodia Operations FUNG, CHING-YIU 1732 Final Rejection Nov 27, 2023
18496469 PROCESS FOR THE PREPARATION OF SILICATE FROM A PLANT ASH COMPRISING CRYSTALLINE SILICA USING A SALT CONTAINING A MULTIVALENT ANION Rhodia Operations ZHANG, KELING NMN 1732 Non-Final OA Oct 27, 2023
18550272 CERIUM OXIDE PARTICLES, MAKING PROCESS THEREOF AND USE THEREOF IN CHEMICAL MECHANICAL POLISHING Rhodia Operations RUMP, RICHARD M 1759 Non-Final OA Sep 12, 2023
18547486 CATALYTIC METHOD FOR THE PREPARATION OF PERFLUOROALKOXY-SUBSTITUTED ARENES AND HETEROARENES Solvay SA HOU, FRANK S 1692 Non-Final OA Aug 22, 2023
18247720 A PROCESS FOR THE PURIFICATION OF FLUORINATED OLEFINS IN GAS PHASE Solvay SA LAWRENCE JR, FRANK M 1776 Final Rejection Apr 03, 2023
18247721 A PROCESS FOR THE PURIFICATION OF FLUORINATED OLEFINS Solvay SA PARSA, JAFAR F 1692 Non-Final OA Apr 03, 2023
18028096 COMPOSITIONS AND METHODS FOR IMPROVING MARINE BIODEGRADABILITY OF POLYMERIC COMPOSITIONS Rhodia Brasil S.A. JOHNSTON, BRIEANN R 1766 Final Rejection Mar 23, 2023
18044871 CLEANING COMPOSITIONS Rhodia Brasil S.A. HARRIS, BRITTANY SHARON 1761 Non-Final OA Mar 10, 2023
18041503 PROCESS FOR PREPARING SPHERICAL POLYMERIC PARTICLES FOR COSMETIC APPLICATION Rhodia Brasil S.A. LIU, TRACY 1614 Non-Final OA Feb 13, 2023
16720100 PROCESS FOR BRAZING OF ALUMINUM ALLOYS AND A FLUX Solvay SA LUK, VANESSA TIBAY 1733 Final Rejection Dec 19, 2019

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