Catalyst compositions that have modified activity and processes to make them
US-2024218100-A1 · Jul 4, 2024 · US
OOOO
OOOO · 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 | C08F4/64193 |
| Official title | {OOOO} |
| Display label | OOOO |
| Total patents | 244 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 9 |
| 2017 | 16 |
| 2018 | 20 |
| 2019 | 23 |
| 2020 | 32 |
| 2021 | 32 |
| 2022 | 27 |
| 2023 | 24 |
| 2024 | 17 |
| 2025 | 26 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalyst compositions and use thereof
US-10280234-B2 · May 7, 2019 · US
Bridged bi-aromatic ligands and transition metal compounds prepared therefrom
US-10252967-B2 · Apr 9, 2019 · US
Polymerization process for producing ethylene based polymers
US-10214602-B2 · Feb 26, 2019 · US
Ethylene/alpha-olefin/nonconjugated polyene based compositions and foams formed from the same
US-10160841-B2 · Dec 25, 2018 · US
Ethylene/alpha-olefin/polyene based compositions
US-10160819-B2 · Dec 25, 2018 · US
Molecular weight control of polyolefins using halogenated bis-phenylphenoxy catalysts
US-10144791-B2 · Dec 4, 2018 · US
Ethylene-based polymer composition for films with improved toughness
US-10138362-B2 · Nov 27, 2018 · US
A polymerization process for producing ethylene based polymers
US-2018282452-A1 · Oct 4, 2018 · US
Multi- or dual-headed compositions useful for chain shuttling and process to prepare the same
US-2018265602-A1 · Sep 20, 2018 · US
Procatalyst and polymerization process using the same
US-2018265604-A1 · Sep 20, 2018 · US
Polymerization process for producing ethylene based polymers
US-10059787-B2 · Aug 28, 2018 · US
Aromatic hydrogenation catalysts and uses thereof
US-10047304-B2 · Aug 14, 2018 · US
Coating methods using organosilica materials and uses thereof
US-10022701-B2 · Jul 17, 2018 · US
Organosilica materials and uses thereof
US-10022700-B2 · Jul 17, 2018 · US
A polymerization process for producing ethylene based polymers
US-2018194871-A1 · Jul 12, 2018 · US
A polymerization process for producing ethylene based polymers
US-2018186910-A1 · Jul 5, 2018 · US
Process for Making Ethylene-Based Polymers Using Carbon-Carbon Free Radical Initiators
US-2018171042-A1 · Jun 21, 2018 · US
Process to form ethylene/alpha-olefin interpolymers
US-2018148526-A1 · May 31, 2018 · US
Bis-biphenylphenoxy catalysts for polymerization of low molecular weight ethylene-based polymers
US-9975975-B2 · May 22, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F4/64193?
- CPC C08F4/64193 is the Cooperative Patent Classification code for “OOOO.”
- How many patents are filed under CPC C08F4/64193 (OOOO)?
- Our database includes 244 publications tagged with this CPC code.
- Is patent activity under CPC C08F4/64193 growing?
- Publication counts under this code: 17 in 2024 vs 26 in 2025 (latest complete years).