Solid polyaluminoxane composition, olefin polymerization catalyst, olefin polymer production method and solid polyaluminoxane composition production method
US-10870715-B2 · Dec 22, 2020 · US
with an aluminoxane, i.e. a compound containing an Al-O-Al- group
with an aluminoxane, i.e. a compound containing an Al-O-Al- group · 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 | C08F4/6428 |
| Official title | {with an aluminoxane, i.e. a compound containing an Al-O-Al- group} |
| Display label | with an aluminoxane, i.e. a compound containing an Al-O-Al- group |
| Total patents | 140 |
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 | 3 |
| 2016 | 4 |
| 2017 | 10 |
| 2018 | 8 |
| 2019 | 16 |
| 2020 | 29 |
| 2021 | 27 |
| 2022 | 20 |
| 2023 | 11 |
| 2024 | 5 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Transition metal compound for olefin polymerization catalyst, and olefin polymerization catalyst including same
US-2020392260-A1 · Dec 17, 2020 · US
Supported hybrid catalyst
US-10865260-B2 · Dec 15, 2020 · US
Metallocene-Supported Catalyst and Method for Preparing Polypropylene Using the Same
US-2020369701-A1 · Nov 26, 2020 · US
Metallocene supported catalyst and method for preparing polypropylene using the same
US-10815322-B2 · Oct 27, 2020 · US
Ethylene/alpha-olefin copolymer having excellent environmental stress crack resistance
US-10815324-B2 · Oct 27, 2020 · US
Modified solid polymethylaluminoxane
US-2020317828-A1 · Oct 8, 2020 · US
Bis-imine titanium complex, catalytic system comprising said bis-imine titanium complex and process for the (co)polymerization of conjugated dienes
US-2020247832-A1 · Aug 6, 2020 · US
Polymerization Using a Spiral Heat Exchanger
US-2020231710-A1 · Jul 23, 2020 · US
High-density ethylene-based polymer using hybrid supported metallocene catalyst and pipe using same
US-2020190238-A1 · Jun 18, 2020 · US
Phosphinimine amido-ether complexes
US-10669355-B2 · Jun 2, 2020 · US
Polypropylene And Method For Preparing The Same
US-2020140583-A1 · May 7, 2020 · US
Method for preparing long fiber-reinforcing olefin polymer and long fiber
US-10633467-B2 · Apr 28, 2020 · US
Hybrid supported catalyst
US-2020123290-A1 · Apr 23, 2020 · US
Olefin Polymer, Preparation Method of the Same, and Film Using the Same
US-2020115475-A1 · Apr 16, 2020 · US
Ethylene/Alpha-Olefin Copolymer Having Excellent Environmental Stress Crack Resistance
US-2020048381-A1 · Feb 13, 2020 · US
Polymerization catalysts with improved ethylene enchainment
US-2020031958-A1 · Jan 30, 2020 · US
Supported hybrid metallocene catalyst, and method for preparing polyolefin using the same
US-10544247-B2 · Jan 28, 2020 · US
Heterogeneous Ziegler-Natta catalyst composition, a process for its preparation and a process for polymerizing olefin using the same
US-10544243-B2 · Jan 28, 2020 · US
Phosphinimine amido-ether complexes
US-2019330387-A1 · Oct 31, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F4/6428?
- CPC C08F4/6428 is the Cooperative Patent Classification code for “with an aluminoxane, i.e. a compound containing an Al-O-Al- group.”
- How many patents are filed under CPC C08F4/6428 (with an aluminoxane, i.e. a compound containing an Al-O-Al- group)?
- Our database includes 140 publications tagged with this CPC code.
- Is patent activity under CPC C08F4/6428 growing?
- Publication counts under this code: 5 in 2024 vs 6 in 2025 (latest complete years).