Process for Producing Polymers
US-2019382540-A1 · Dec 19, 2019 · US
Heteroatom-substituted bridge, i.e. Cp or analog where the bridge linking the two Cps or analogs is substituted by at least one group that contains a heteroatom
Heteroatom-substituted bridge, i.e. Cp or analog where the bridge linking the two Cps or analogs is substituted by at least one group that contains a heteroatom · 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 | C08F2420/10 |
| Official title | Heteroatom-substituted bridge, i.e. Cp or analog where the bridge linking the two Cps or analogs is substituted by at least one group that contains a heteroatom |
| Display label | Heteroatom-substituted bridge, i.e. Cp or analog where the bridge linking the two Cps or analogs is substituted by at least one group that contains a heteroatom |
| Total patents | 254 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 10 |
| 2017 | 15 |
| 2018 | 31 |
| 2019 | 27 |
| 2020 | 34 |
| 2021 | 27 |
| 2022 | 33 |
| 2023 | 15 |
| 2024 | 21 |
| 2025 | 35 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of preparing metallocene catalyst for polyolefin preparation
US-2019224661-A1 · Jul 25, 2019 · US
Transition metal compound, catalyst composition comprising same, and method for producing olefin polymer using same
US-10280238-B2 · May 7, 2019 · US
Supported hybrid metallocene catalyst, and method for preparing polyolefin using the same
US-2019062474-A1 · Feb 28, 2019 · US
Ethylene/alpha-olefin copolymers having excellent processability
US-10155830-B2 · Dec 18, 2018 · US
Viscosity modifier for lubricating oils, additive composition for lubricating oils, and lubricating oil compositions
US-2018320102-A1 · Nov 8, 2018 · US
Polypropylene
US-2018298122-A1 · Oct 18, 2018 · US
Metallocene supported catalyst and method for preparing polyolefin using the same
US-2018282442-A1 · Oct 4, 2018 · US
Metallocene-supported catalyst and method of preparing polyolefin using the same
US-2018265605-A1 · Sep 20, 2018 · US
Method for preparing supported hybrid metallocene catalyst, and supported hybrid metallocene catalyst using the same
US-2018251580-A1 · Sep 6, 2018 · US
Catalysts for Producing Polymers and Enhanced Properties
US-2018244816-A1 · Aug 30, 2018 · US
Method for preparing long fiber-reinforcing olefin polymer and long fiber
US-2018237560-A1 · Aug 23, 2018 · US
Olefin-based polymer with excellent processability
US-2018223009-A1 · Aug 9, 2018 · US
Process for Making Branched EPDM and the EPDM Therefrom
US-2018223022-A1 · Aug 9, 2018 · US
High-stiffness and energy-reducing polypropylene for foaming
US-2018223013-A1 · Aug 9, 2018 · US
AN ETHYLENE-1-HEXENE-1-BUTENE TERPOLYMER AND A FILM INCLUDING THE SAME (As Amended)
US-2018208693-A1 · Jul 26, 2018 · US
Supported hybrid catalyst and method for preparing olefin polymer using the same
US-2018194873-A1 · Jul 12, 2018 · US
Ethylene/alpha-olefin copolymers having excellent processability
US-2018194883-A1 · Jul 12, 2018 · US
Catalyst Composition Comprising Fluorided Support and Processes for Use Thereof
US-2018171040-A1 · Jun 21, 2018 · US
Metallocene compound, catalyst composition including the same, and method of preparing polyolefin using the same
US-9994652-B2 · Jun 12, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F2420/10?
- CPC C08F2420/10 is the Cooperative Patent Classification code for “Heteroatom-substituted bridge, i.e. Cp or analog where the bridge linking the two Cps or analogs is substituted by at least one group that contains a heteroatom.”
- How many patents are filed under CPC C08F2420/10 (Heteroatom-substituted bridge, i.e. Cp or analog where the bridge linking the two Cps or analogs is substituted by at least one group that contains a heteroatom)?
- Our database includes 254 publications tagged with this CPC code.
- Is patent activity under CPC C08F2420/10 growing?
- Publication counts under this code: 21 in 2024 vs 35 in 2025 (latest complete years).