Polyolefin catalyst component containing mesoporous material, preparation method therefor and use thereof
US-12351671-B2 · Jul 8, 2025 · US
Polymers
Polymers · 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 | C08F4/027 |
| Official title | {Polymers} |
| Display label | Polymers |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 2 |
| 2022 | 2 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalyst system
US-12186738-B2 · Jan 7, 2025 · US
Method for preparing supported olefin polymerization catalyst, resulting catalyst and application thereof
US-2024166774-A1 · May 23, 2024 · US
Curable composition and use thereof
US-2024124621-A1 · Apr 18, 2024 · US
A process for preparation of a catalyst with a polyolefin coat
US-2022298271-A1 · Sep 22, 2022 · US
Catalyst system
US-2022008896-A1 · Jan 13, 2022 · US
Polyolefin catalyst component containing mesoporous material, preparation method therefor and use thereof
US-2021380730-A1 · Dec 9, 2021 · US
Encapsulated catalyst and methods of olefin polymerization
US-10947330-B2 · Mar 16, 2021 · US
Solid polyaluminoxane composition, olefin polymerization catalyst, olefin polymer production method and solid polyaluminoxane composition production method
US-10870715-B2 · Dec 22, 2020 · US
Process for preparing an aqueous dispersion of polymeric microspheres
US-10865276-B2 · Dec 15, 2020 · US
Process for preparing an aqueous dispersion of polymeric microspheres
US-2020283572-A1 · Sep 10, 2020 · US
Process for preparing an aqueous dispersion of polymeric microspheres
US-10723838-B2 · Jul 28, 2020 · US
Encapsulated catalyst and methods of olefin polymerization
US-2020223957-A1 · Jul 16, 2020 · US
Aromatic hydrogenation catalysts and uses thereof
US-10661262-B2 · May 26, 2020 · US
Silica supports with high aluminoxane loading capability
US-10294316-B2 · May 21, 2019 · US
Process for preparing an aqueous dispersion of polymeric microspheres
US-2019071540-A1 · Mar 7, 2019 · US
Solid polyaluminoxane composition, olefin polymerization catalyst, olefin polymer production method and solid polyaluminoxane composition production method
US-2019062470-A1 · Feb 28, 2019 · US
Organosilica materials and uses thereof
US-10207249-B2 · Feb 19, 2019 · US
Adsorbent for heteroatom species removal and uses thereof
US-10183272-B2 · Jan 22, 2019 · US
Solid polyaluminoxane composition, olefin polymerization catalyst, olefin polymer production method and solid polyaluminoxane composition production method
US-10150823-B2 · Dec 11, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F4/027?
- CPC C08F4/027 is the Cooperative Patent Classification code for “Polymers.”
- How many patents are filed under CPC C08F4/027 (Polymers)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC C08F4/027 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).