Chromium complex and catalyst therefrom
US-11491474-B2 · Nov 8, 2022 · US
Cyclic amide derivatives of acids of phosphorus, in which two nitrogen atoms belong to the ring · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07F9/65848 |
| Official title | {Cyclic amide derivatives of acids of phosphorus, in which two nitrogen atoms belong to the ring} |
| Display label | Cyclic amide derivatives of acids of phosphorus, in which two nitrogen atoms belong to the ring |
| Total patents | 72 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 5 |
| 2017 | 6 |
| 2018 | 10 |
| 2019 | 13 |
| 2020 | 9 |
| 2021 | 8 |
| 2022 | 6 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 5 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11491474-B2 · Nov 8, 2022 · US
US-11260381-B2 · Mar 1, 2022 · US
US-2022041634-A1 · Feb 10, 2022 · US
US-11160829-B2 · Nov 2, 2021 · US
US-11161863-B2 · Nov 2, 2021 · US
US-2021268487-A1 · Sep 2, 2021 · US
US-11106132-B2 · Aug 31, 2021 · US
US-2021129125-A1 · May 6, 2021 · US
US-10981156-B2 · Apr 20, 2021 · US
US-10919031-B2 · Feb 16, 2021 · US
US-10906921-B2 · Feb 2, 2021 · US
US-2020376025-A1 · Dec 3, 2020 · US
US-10828327-B2 · Nov 10, 2020 · US
US-2020338542-A1 · Oct 29, 2020 · US
US-2020255463-A1 · Aug 13, 2020 · US
US-10702861-B2 · Jul 7, 2020 · US
US-10662208-B2 · May 26, 2020 · US
US-2020061110-A1 · Feb 27, 2020 · US
US-10570514-B2 · Feb 25, 2020 · US
US-2020030783-A1 · Jan 30, 2020 · US
Answers are generated from the same data shown on this page.