Methods for operating polyethylene reactor systems
US-2024392119-A1 · Nov 28, 2024 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08F10/02 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 2,301 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 171 |
| 2016 | 203 |
| 2017 | 233 |
| 2018 | 230 |
| 2019 | 290 |
| 2020 | 276 |
| 2021 | 235 |
| 2022 | 191 |
| 2023 | 167 |
| 2024 | 150 |
| 2025 | 132 |
| 2026 | 23 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polyethylene compositions and closures for bottles
US-9221966-B2 · Dec 29, 2015 · US
Modified phosphinimine catalysts for olefin polymerization
US-9221935-B2 · Dec 29, 2015 · US
Production method of polar group-containing olefin polymers
US-2015368376-A1 · Dec 24, 2015 · US
Olefin polymerization catalyst and preparation and application thereof
US-2015361189-A1 · Dec 17, 2015 · US
Processes for making catalyst compositions having improved flow
US-2015353651-A1 · Dec 10, 2015 · US
Polyethylene compositions and closures made from them
US-2015353715-A1 · Dec 10, 2015 · US
Novel High Clarity Low Haze Compositions
US-2015337059-A1 · Nov 26, 2015 · US
Component separations in polymerization
US-9187383-B2 · Nov 17, 2015 · US
Process for treating polyolefin particles obtained by gas-phase polymerization
US-2015322178-A1 · Nov 12, 2015 · US
Methods for producing polyolefins with catalyst systems
US-9181371-B2 · Nov 10, 2015 · US
Low density polyolefin resins with low molecular weight and high molecular weight components, and films made therefrom
US-9181370-B2 · Nov 10, 2015 · US
Ethylene recovery by absorption
US-9180405-B2 · Nov 10, 2015 · US
Semi-crystalline thermoplastic polymers and articles manufactured therefrom
US-2015315303-A1 · Nov 5, 2015 · US
Activating supports
US-9175106-B2 · Nov 3, 2015 · US
Process for introduction of liquid feeds to a polymerization process
US-9139673-B2 · Sep 22, 2015 · US
Reducing fouling in heat exchangers
US-9139784-B2 · Sep 22, 2015 · US
Methods for the removal of impurities from polymerization feed streams
US-9133081-B2 · Sep 15, 2015 · US
Multistage process for the polymerization of olefins
US-9133291-B2 · Sep 15, 2015 · US
Modified phosphinimine catalysts for olefin polymerization
US-9127106-B2 · Sep 8, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F10/02?
- CPC C08F10/02 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C08F10/02 (Chemistry & Metallurgy)?
- Our database includes 2,301 publications tagged with this CPC code.
- Is patent activity under CPC C08F10/02 growing?
- Publication counts under this code: 150 in 2024 vs 132 in 2025 (latest complete years).