Ligands for production of 1-octene in chromium assisted ethylene oligomerization process
US-12440830-B2 · Oct 14, 2025 · US
Amides or esteramides thereof, e.g. RP(NR'2)2 or RP(XR')(NR''2) (X = O, S) · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07F9/4883 |
| Official title | {Amides or esteramides thereof, e.g. RP(NR'2)2 or RP(XR')(NR''2) (X = O, S)} |
| Display label | Amides or esteramides thereof, e.g. RP(NR'2)2 or RP(XR')(NR''2) (X = O, S) |
| Total patents | 11 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2017 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12440830-B2 · Oct 14, 2025 · US
US-2024400593-A1 · Dec 5, 2024 · US
US-11634560-B2 · Apr 25, 2023 · US
US-2022152602-A1 · May 19, 2022 · US
US-2021130582-A1 · May 6, 2021 · US
US-9555404-B2 · Jan 31, 2017 · US
US-9221856-B2 · Dec 29, 2015 · US
US-9127097-B2 · Sep 8, 2015 · US
US-2015225492-A1 · Aug 13, 2015 · US
US-9040750-B2 · May 26, 2015 · US
US-2015031914-A1 · Jan 29, 2015 · US