Metallocene compound, catalyst composition comprising the same, and an olefinic polymer produced using the same
US-9221922-B2 · Dec 29, 2015 · 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 | C08F4/76 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 396 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 68 |
| 2016 | 50 |
| 2017 | 32 |
| 2018 | 30 |
| 2019 | 32 |
| 2020 | 24 |
| 2021 | 32 |
| 2022 | 34 |
| 2023 | 44 |
| 2024 | 27 |
| 2025 | 18 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Activating agents for hafnium-based metallocene components
US-9206274-B2 · Dec 8, 2015 · US
Polymerization method using surfactant-containing particle
US-9200093-B2 · Dec 1, 2015 · US
Vinyl Terminated Polyethylene with Long Chain Branching
US-2015337058-A1 · Nov 26, 2015 · US
Method of production of ethylene-based polymer particles and stretch-molded article obtained from ethylene-based polymer particles
US-9181359-B2 · Nov 10, 2015 · US
Activating supports
US-9175106-B2 · Nov 3, 2015 · US
Process for synthesis of ethylene polymers
US-9175108-B2 · Nov 3, 2015 · US
Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates
US-9169333-B2 · Oct 27, 2015 · US
Procatalyst composition with substituted 1,2-phenylene aromatic diester internal donor and method
US-2015299346-A1 · Oct 22, 2015 · US
Cyclopenta[b]Fluorenyl Transition Metal Compound, Catalyst Composition Containing the Same, and Method of Preparing Ethylene Homopolymer or Copolymer of Ethylene and alpha-Olefin Using the Same
US-2015299353-A1 · Oct 22, 2015 · US
Vinyl Terminated Macromonomers
US-2015291710-A1 · Oct 15, 2015 · US
Metallocene catalyst supported by hybrid supporting means, process for producing same, polymerization process for producing an ethylene homopolymer or copolymer with broad or bimodal molar mass distribution, use of the supported metallocene catalyst and ethylene polymer with broad or bimodal molar mass distribution
US-2015274852-A1 · Oct 1, 2015 · US
Polymerisation process and catalyst
US-2015259442-A1 · Sep 17, 2015 · US
Modified phosphinimine catalysts for olefin polymerization
US-9127094-B2 · Sep 8, 2015 · US
Supported Salan catalysts
US-9120879-B2 · Sep 1, 2015 · US
Cyclopenta[b]fluorenyl transition metal compound, catalyst composition containing the same, and method of preparing ethylene homopolymer or copolymer of ethylene and α-olefin using the same
US-9120884-B2 · Sep 1, 2015 · US
Transition metal compound having heteroatom, catalystic composition including the same, and method for preparing polymers using the same
US-2015239916-A1 · Aug 27, 2015 · US
Catalyst systems for production of alpha olefin oligomers and polymers
US-9115225-B2 · Aug 25, 2015 · US
Transition metal catalyst composition including a transition metal compound and a method of preparing a polyolefin using the catalyst composition
US-9109055-B2 · Aug 18, 2015 · US
Group 4 metal compound containing thiophene-fused cyclopentadienyl ligand derived from tetraquinoline derivative and olefin polymerization using the same
US-9096575-B2 · Aug 4, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F4/76?
- CPC C08F4/76 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C08F4/76 (Chemistry & Metallurgy)?
- Our database includes 396 publications tagged with this CPC code.
- Is patent activity under CPC C08F4/76 growing?
- Publication counts under this code: 27 in 2024 vs 18 in 2025 (latest complete years).