Prosecution Insights
Last updated: April 19, 2026

Chevron Phillips Chemical Company LP

14 pending office actions

Portfolio Summary

14
Total Pending OAs
5
Final Rejections
9
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
19245818 AQUEOUS METHODS FOR TITANATING A CHROMIUM/SILICA CATALYST WITH AN ALKALI METAL PATEL, SMITA S 1732 Final Rejection Jun 23, 2025
19227709 METHANOL PRODUCTION FROM METHANE UTILIZING A SUPPORTED CHROMIUM CATALYST LEUNG, JENNIFER A 1774 Final Rejection Jun 04, 2025
18642898 CATALYST SYSTEM AND ETHYLENE OLIGOMERIZATION PROCESS FOR THE PREPARATION OF LINEAR ALPHA OLEFINS CEPLUCH, ALYSSA L 1772 Non-Final OA Apr 23, 2024
18599601 USE OF METHANE PYROLYSIS TO DECARBONIZE A HYDROCARBON CRACKING SYSTEM SLIFKA, COLIN W 1732 Non-Final OA Mar 08, 2024
18428349 OLEFIN/PARAFFIN SEPARATION USING RECTIFIED ETS-4 CEPLUCH, ALYSSA L 1772 Final Rejection Jan 31, 2024
18419288 LIQUID FLUSH TO REMOVE AND PREVENT SOLIDS ACCUMULATION IN A HEAT EXCHANGER FOR A LIQUID PHASE HYDROGENATION REACTOR MCKANE, ELIZABETH L 3991 Final Rejection Jan 22, 2024
18457075 POLYALPHAOLEFINS MADE FROM DIMER OLEFINS OBTAINED FROM BRANCHED C10 MONOOLEFINS USING ALKYL ALUMINUM CATALYST WOODWARD, ANA LUCRECIA 1765 Non-Final OA Aug 28, 2023
18456557 METHODS FOR MAKING SUPPORTED LATE TRANSITION METAL CATALYSTS LALISSE, REMY FREDERIC 1732 Non-Final OA Aug 28, 2023
18448883 METHODS FOR IMPROVING METAL DISPERSION OF A CATALYST MCCAIG, BRIAN A 1772 Non-Final OA Aug 11, 2023
18318204 TRAINING AND APPLYING A MACHINE LEARNING MODEL FOR PREDICTING POLYMER EXTRUDATE MELT PROPERTY VALUES GARNER, CASEY R 2123 Non-Final OA May 16, 2023
18194900 Systems for Polymer Fines Recovery SEIFU, LESSANEWORK T 1774 Non-Final OA Apr 03, 2023
18145665 INCORPORATING ADDITIVES INTO MOLTEN POLYMER VIA SLURRY INJECTION UPSTREAM OF A HOPPER MCCULLEY, MEGAN CASSANDRA 1767 Non-Final OA Dec 22, 2022
18059844 SYSTEMS AND TECHNIQUES FOR POLYMER PRODUCT WITHDRAWAL BUI, DUNG H 1773 Non-Final OA Nov 29, 2022
17884774 SEQUENTIAL AND INDEPENDENT SYNTHESIS OF MERCAPTANS AND ASYMMETRICAL SULFIDES IN A SINGLE REACTOR KELLY-O'NEILL, YOLANDA LYNNETTE 1692 Final Rejection Aug 10, 2022

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