Polymeric dyes having a backbone comprising organophosphate units
US-12578342-B2 · Mar 17, 2026 · US
Organo-phosphine oxides; Organo-phosphine thioxides
Organo-phosphine oxides; Organo-phosphine thioxides · 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 | C07F9/53 |
| Official title | Organo-phosphine oxides; Organo-phosphine thioxides |
| Display label | Organo-phosphine oxides; Organo-phosphine thioxides |
| Total patents | 52 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 6 |
| 2022 | 9 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heterocyclic compound and organic light emitting diode comprising same
US-12473297-B2 · Nov 18, 2025 · US
Polymeric tandem dyes with linker groups
US-12319817-B2 · Jun 3, 2025 · US
Rare earth complex, rare earth complex solution, luminescent molded article, method for producing luminescent product, luminescent sheet, and vinyl greenhouse for agriculture
US-12291545-B2 · May 6, 2025 · US
Polymeric tandem dyes with linker groups
US-12275851-B2 · Apr 15, 2025 · US
Heterocyclic compound and organic light emitting device comprising same
US-12089493-B2 · Sep 10, 2024 · US
Heterocyclic compound and organic light emitting diode comprising same
US-12077532-B2 · Sep 3, 2024 · US
Photopolymerization initiator and producing method thereof, polymerizable composition, ink jet recording method, and acylphosphine oxide compound
US-11898046-B2 · Feb 13, 2024 · US
Polymer, flame-retardant composition, and method for producing polymer
US-2023407076-A1 · Dec 21, 2023 · US
Polymer, flame-retardant composition, and method of producing polymer
US-2023406981-A1 · Dec 21, 2023 · US
Polycyclic aromatic derivative compound and organic light-emitting device using same
US-2023287010-A1 · Sep 14, 2023 · US
Heterocyclic compound and organic light emitting element comprising same
US-11678576-B2 · Jun 13, 2023 · US
Heterocyclic compound and organic light emitting diode comprising same
US-2023013934-A1 · Jan 19, 2023 · US
Polymeric tandem dyes with linker groups
US-2023012304-A1 · Jan 12, 2023 · US
Pyrimidine compound and medical use thereof
US-2022380362-A1 · Dec 1, 2022 · US
Rare earth complex and light emitting element
US-11499093-B2 · Nov 15, 2022 · US
Rare earth complex, rare earth complex solution, luminescent molded article, method for producing luminescent product, luminescent sheet, and vinyl greenhouse for agriculture
US-2022315613-A1 · Oct 6, 2022 · US
Polymeric tandem dyes with linker groups
US-11453783-B2 · Sep 27, 2022 · US
Photosensitive resin composition, photosensitive resin film, method for producing cured product, laminate, and electronic component
US-2022267484-A1 · Aug 25, 2022 · US
Compound, display panel, and display apparatus
US-11411184-B2 · Aug 9, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07F9/53?
- CPC C07F9/53 is the Cooperative Patent Classification code for “Organo-phosphine oxides; Organo-phosphine thioxides.”
- How many patents are filed under CPC C07F9/53 (Organo-phosphine oxides; Organo-phosphine thioxides)?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC C07F9/53 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).