Nucleotide analogs
US-12521397-B2 · Jan 13, 2026 · US
Esters of oxyacids of phosphorus {(C07F9/657163 takes precedence)}
Esters of oxyacids of phosphorus {(C07F9/657163 takes 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 | C07F9/6574 |
| Official title | Esters of oxyacids of phosphorus {(C07F9/657163 takes precedence)} |
| Display label | Esters of oxyacids of phosphorus {(C07F9/657163 takes precedence)} |
| Total patents | 54 |
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 | 7 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 9 |
| 2020 | 8 |
| 2021 | 5 |
| 2022 | 9 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Nucleotide analogs
US-12350274-B2 · Jul 8, 2025 · US
New organic compound and flame retardant using same
US-2024270774-A1 · Aug 15, 2024 · US
Phosphorous ester compound, method for producing same and use application for same
US-2024166672-A1 · May 23, 2024 · US
Non-aqueous electrolyte solution for lithium secondary battery and lithium secondary battery including the same
US-11799132-B2 · Oct 24, 2023 · US
Particulate nucleating agent, resin composition, production method thereof, and molded product
US-11795296-B2 · Oct 24, 2023 · US
Nucleotide Analogs
US-2022395510-A1 · Dec 15, 2022 · US
Particulate nucleating agent, resin composition, production method thereof, and molded product
US-2022289941-A1 · Sep 15, 2022 · US
Thermosetting resin composition, prepreg made therefrom, laminate clad with metal foil, and high-frequency circuit board
US-11377551-B2 · Jul 5, 2022 · US
Nucleating agent, polyolefin-based resin composition containing same, and molded article thereof
US-2022204724-A1 · Jun 30, 2022 · US
Nucleotide analogs
US-11344555-B2 · May 31, 2022 · US
Thermosetting resin composition, prepreg made therefrom, laminate clad with metal foil, and high-frequency circuit board
US-11319397-B2 · May 3, 2022 · US
Nucleating agent, polyolefin-based resin composition containing same, and molded article thereof
US-11306194-B2 · Apr 19, 2022 · US
Nucleotide Analogs
US-2022072004-A1 · Mar 10, 2022 · US
Nucleotide Analogs
US-2022062289-A1 · Mar 3, 2022 · US
Non-Aqueous Electrolyte Solution for Lithium Secondary Battery and Lithium Secondary Battery Including the Same
US-2021399345-A1 · Dec 23, 2021 · US
Non-aqueous electrolyte solution for lithium secondary battery and lithium secondary battery including the same
US-11139506-B2 · Oct 5, 2021 · US
Processes for purifying ligands
US-11124531-B2 · Sep 21, 2021 · US
Nucleating agent, polyolefin-based resin composition containing same, and molded article thereof
US-2021047498-A1 · Feb 18, 2021 · US
Organic phosphorus-based compound, and flame retardant and flame-retardant product comprising the same
US-10919923-B2 · Feb 16, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07F9/6574?
- CPC C07F9/6574 is the Cooperative Patent Classification code for “Esters of oxyacids of phosphorus {(C07F9/657163 takes precedence)}.”
- How many patents are filed under CPC C07F9/6574 (Esters of oxyacids of phosphorus {(C07F9/657163 takes precedence)})?
- Our database includes 54 publications tagged with this CPC code.
- Is patent activity under CPC C07F9/6574 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).