Oligomerization catalyst system activation and related ethylene oligomerization processes and reaction systems
US-11859025-B2 · Jan 2, 2024 · US
PN · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08F4/69068 |
| Official title | {PN} |
| Display label | PN |
| Total patents | 14 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 1 |
| 2022 | 3 |
| 2024 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11859025-B2 · Jan 2, 2024 · US
US-11267909-B2 · Mar 8, 2022 · US
US-2022025081-A1 · Jan 27, 2022 · US
US-2022017660-A1 · Jan 20, 2022 · US
US-10689312-B2 · Jun 23, 2020 · US
US-2019375694-A1 · Dec 12, 2019 · US
US-10435336-B2 · Oct 8, 2019 · US
US-10414699-B2 · Sep 17, 2019 · US
US-10144752-B2 · Dec 4, 2018 · US
US-9962689-B2 · May 8, 2018 · US
US-2017342000-A1 · Nov 30, 2017 · US
US-9732106-B2 · Aug 15, 2017 · US
US-2016375431-A1 · Dec 29, 2016 · US
US-9283555-B2 · Mar 15, 2016 · US