Organic compound, perovskite precursor solution, perovskite film, perovskite cell, and electric apparatus
US-2025386725-A1 · Dec 18, 2025 · US
Esters of oxyacids of phosphorus {(C07F9/062 takes precedence)} · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07F9/08 |
| Official title | Esters of oxyacids of phosphorus {(C07F9/062 takes precedence)} |
| Display label | Esters of oxyacids of phosphorus {(C07F9/062 takes precedence)} |
| Total patents | 30 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2017 | 2 |
| 2018 | 6 |
| 2019 | 7 |
| 2020 | 7 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2025 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025386725-A1 · Dec 18, 2025 · US
US-2025316759-A1 · Oct 9, 2025 · US
US-2025316758-A1 · Oct 9, 2025 · US
US-11753423-B2 · Sep 12, 2023 · US
US-11306110-B2 · Apr 19, 2022 · US
US-11063296-B2 · Jul 13, 2021 · US
US-10865219-B2 · Dec 15, 2020 · US
US-2020354304-A1 · Nov 12, 2020 · US
US-2020231612-A1 · Jul 23, 2020 · US
US-10689578-B2 · Jun 23, 2020 · US
US-10689579-B2 · Jun 23, 2020 · US
US-10689577-B2 · Jun 23, 2020 · US
US-2020115403-A1 · Apr 16, 2020 · US
US-2019245244-A1 · Aug 8, 2019 · US
US-2019177619-A1 · Jun 13, 2019 · US
US-2019136137-A1 · May 9, 2019 · US
US-10266771-B2 · Apr 23, 2019 · US
US-2019106632-A1 · Apr 11, 2019 · US
US-10214693-B2 · Feb 26, 2019 · US
US-10167427-B2 · Jan 1, 2019 · US
Answers are generated from the same data shown on this page.