Nonaqueous electrolyte solution, nonaqueous electrolyte solution battery, method for producing nonaqueous electrolyte solution battery, compound, and additive for nonaqueous electrolyte solution
US-2025125418-A1 · Apr 17, 2025 · US
Cyclic esteramides of oxyacids of phosphorus
Cyclic esteramides of oxyacids of phosphorus · 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 | C07F9/657154 |
| Official title | {Cyclic esteramides of oxyacids of phosphorus} |
| Display label | Cyclic esteramides of oxyacids of phosphorus |
| Total patents | 57 |
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 | 6 |
| 2016 | 4 |
| 2017 | 7 |
| 2018 | 7 |
| 2019 | 9 |
| 2020 | 4 |
| 2021 | 7 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for preparing diphosphites
US-2025011354-A1 · Jan 9, 2025 · US
Cyclopropene phosphoramidites and conjugates thereof
US-2024262851-A1 · Aug 8, 2024 · US
Chromium complex and catalyst therefrom
US-11896965-B2 · Feb 13, 2024 · US
Polyvinyl esters and methods related thereto
US-11667733-B2 · Jun 6, 2023 · US
Efficient phosphorous stabilizers based on diphenylamine and heterocyclic diphenylamine derivatives
US-11634560-B2 · Apr 25, 2023 · US
Chromium complex and catalyst therefrom
US-2023112954-A1 · Apr 13, 2023 · US
Process for oligomerization
US-11623209-B2 · Apr 11, 2023 · US
Chromium complex and catalyst therefrom
US-11491474-B2 · Nov 8, 2022 · US
3,3,3',3'-tetramethyl-1,1'-spirobiindane-based monophosphine ligand, intermediates thereof, preparation method and use of the same
US-11377457-B2 · Jul 5, 2022 · US
Process for oligomerization
US-2022176363-A1 · Jun 9, 2022 · US
Prodrug compounds and their uses
US-11278559-B2 · Mar 22, 2022 · US
Process for oligomerization
US-11260381-B2 · Mar 1, 2022 · US
Polyvinyl esters and methods related thereto
US-2021324121-A1 · Oct 21, 2021 · US
Chromium complex and catalyst therefrom
US-2021268487-A1 · Sep 2, 2021 · US
Process for oligomerization
US-2021129125-A1 · May 6, 2021 · US
Efficient phosphorous stabilisers based on diphenylamine and heterocyclic diphenylamine derivatives
US-2021130582-A1 · May 6, 2021 · US
Chromium complex and catalyst therefrom
US-10981156-B2 · Apr 20, 2021 · US
3,3,3',3'-tetramethyl-1,1'-spirobiindane-based monophosphine ligand, intermedates tehreof, preparation method and use of the same
US-2021070789-A1 · Mar 11, 2021 · US
Process for oligomerization
US-10919031-B2 · Feb 16, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07F9/657154?
- CPC C07F9/657154 is the Cooperative Patent Classification code for “Cyclic esteramides of oxyacids of phosphorus.”
- How many patents are filed under CPC C07F9/657154 (Cyclic esteramides of oxyacids of phosphorus)?
- Our database includes 57 publications tagged with this CPC code.
- Is patent activity under CPC C07F9/657154 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).