Solution process for production of functionalized polyolefins
US-2024018284-A1 · Jan 18, 2024 · US
Component covered by group C08F4/64 containing a transition metal-carbon bond {(C08F4/64003 - C08F4/64196 take precedence)}
Component covered by group C08F4/64 containing a transition metal-carbon bond {(C08F4/64003 - C08F4/64196 take precedence)} · 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 | C08F4/659 |
| Official title | Component covered by group C08F4/64 containing a transition metal-carbon bond {(C08F4/64003 - C08F4/64196 take precedence)} |
| Display label | Component covered by group C08F4/64 containing a transition metal-carbon bond {(C08F4/64003 - C08F4/64196 take precedence)} |
| Total patents | 357 |
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 | 31 |
| 2016 | 23 |
| 2017 | 26 |
| 2018 | 34 |
| 2019 | 32 |
| 2020 | 43 |
| 2021 | 53 |
| 2022 | 34 |
| 2023 | 41 |
| 2024 | 16 |
| 2025 | 18 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Olefin polymerization catalyst system comprising mesoporous organosilica support
US-2017327604-A1 · Nov 16, 2017 · US
Co-supported catalysts for the tandem trimerization and polymerization of ethylene to produce linear low density polyethylene
US-2017210834-A1 · Jul 27, 2017 · US
Preparation of polyolefin
US-2017081432-A1 · Mar 23, 2017 · US
Continuity compositions and methods of making and using the same
US-2017022310-A1 · Jan 26, 2017 · US
Transition Metal Complexes of Tridentate Dianionic CNN Ligands, Production and Use Thereof
US-2017002027-A1 · Jan 5, 2017 · US
Process for the Preparation of Ethylene Polymers Using a Number of Reactors Arranged in Series
US-2016355621-A1 · Dec 8, 2016 · US
Metal-ligand complex, olefin polymerization catalyst derived therefrom, and olefin polymerization method utilizing the catalyst
US-2016311837-A1 · Oct 27, 2016 · US
Synthesis of Aryl Coupled BIS Phenoxides and Their Use in Olefin Polymerization Catalyst Systems With Activator-Supports
US-2016289351-A1 · Oct 6, 2016 · US
Bisphenolate Transition Metal Complexes, Production and Use Thereof
US-2016280722-A1 · Sep 29, 2016 · US
Process for the preparation of ethylene polymers using a number of reactors arranged in series
US-9447206-B2 · Sep 20, 2016 · US
Organosilica materials and uses thereof
US-2016229959-A1 · Aug 11, 2016 · US
Synthesis of aryl coupled bis phenoxides and their use in olefin polymerization catalyst systems with activator-supports
US-9394387-B2 · Jul 19, 2016 · US
Olefin-based polymers and dispersion polymerizations
US-9388254-B2 · Jul 12, 2016 · US
Coating methods using organosilica materials and uses thereof
US-2016167016-A1 · Jun 16, 2016 · US
Methods of separating aromatic compounds from lube base stocks
US-2016168484-A1 · Jun 16, 2016 · US
Organosilica materials and uses thereof
US-2016168333-A1 · Jun 16, 2016 · US
Organosilica materials and uses thereof
US-2016168174-A1 · Jun 16, 2016 · US
Methods of producing organosilica materials and uses thereof
US-2016168171-A1 · Jun 16, 2016 · US
Adsorbent for heteroatom species removal and uses thereof
US-2016167015-A1 · Jun 16, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F4/659?
- CPC C08F4/659 is the Cooperative Patent Classification code for “Component covered by group C08F4/64 containing a transition metal-carbon bond {(C08F4/64003 - C08F4/64196 take precedence)}.”
- How many patents are filed under CPC C08F4/659 (Component covered by group C08F4/64 containing a transition metal-carbon bond {(C08F4/64003 - C08F4/64196 take precedence)})?
- Our database includes 357 publications tagged with this CPC code.
- Is patent activity under CPC C08F4/659 growing?
- Publication counts under this code: 16 in 2024 vs 18 in 2025 (latest complete years).