Thermosetting resin composition, prepreg made therefrom, laminate clad with metal foil, and high-frequency circuit board
US-11377551-B2 · Jul 5, 2022 · US
the ring phosphorus atom and one oxygen atom being part of a (thio)phosphinic acid ester: [IMAGE cpc-sch-C07F-1008.gif] (X = O, S)
the ring phosphorus atom and one oxygen atom being part of a (thio)phosphinic acid ester: [IMAGE cpc-sch-C07F-1008.gif] (X = O, S) · 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 | C07F9/657172 |
| Official title | {the ring phosphorus atom and one oxygen atom being part of a (thio)phosphinic acid ester: [IMAGE cpc-sch-C07F-1008.gif] (X = O, S)} |
| Display label | the ring phosphorus atom and one oxygen atom being part of a (thio)phosphinic acid ester: [IMAGE cpc-sch-C07F-1008.gif] (X = O, S) |
| Total patents | 78 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 9 |
| 2017 | 13 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 11 |
| 2021 | 8 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Phosphinated (2,6-dimethylphenyl ether) oligomer, preparation method thereof and cured product
US-2021340321-A1 · Nov 4, 2021 · US
Phosphorus containing compounds and epoxy resins thereof
US-2021340319-A1 · Nov 4, 2021 · US
Highly flame-retardant adhesive for high polymer materials
US-11084961-B2 · Aug 10, 2021 · US
Highly flame-retardant adhesive for high polymer materials
US-2021198542-A1 · Jul 1, 2021 · US
Red-shifted fluorophores
US-2021171490-A1 · Jun 10, 2021 · US
Phosphorus-containing compound, manufacturing method thereof and flame-retardant thermoset
US-11028109-B2 · Jun 8, 2021 · US
Secondary amine, radical, and alkoxy amine compound
US-10913812-B2 · Feb 9, 2021 · US
Phosphorous containing epoxy resins and process for synthesis
US-10899871-B2 · Jan 26, 2021 · US
Phosphorus-containing flame retardant, preparation method thereof, resin composition comprising the phosphorus-containing flame retardant and article made therefrom
US-10865221-B2 · Dec 15, 2020 · US
Phosphorous containing epoxy resins and process for synthesis
US-2020339736-A1 · Oct 29, 2020 · US
Phosphorated anhydride containing epoxy resin
US-2020291172-A1 · Sep 17, 2020 · US
Organophosphorus compound and flame retardant agent comprising same, and method for producing organophosphorus compound
US-2020270288-A1 · Aug 27, 2020 · US
Low DK phosphorous containing hardener useful for halogen free, flame retardant polymers and use
US-10723747-B2 · Jul 28, 2020 · US
Thermosetting resin composition, prepreg made therefrom, laminate clad with metal foil, and high-frequency circuit board
US-2020224026-A1 · Jul 16, 2020 · US
Thermosetting resin composition, prepreg made therefrom, laminate clad with metal foil, and high-frequency circuit board
US-2020207899-A1 · Jul 2, 2020 · US
Intrinsic flame-retardant resin with low polarity, and preparation method therefor and use thereof
US-2020208057-A1 · Jul 2, 2020 · US
Secondary amine, radical, and alkoxy amine compound
US-2020079889-A1 · Mar 12, 2020 · US
Phosphorus-containing heterocycles and a method for making and using
US-10556920-B2 · Feb 11, 2020 · US
Phosphinated poly(2,6-dimethyl phenylene oxide) oligomers and thermosets thereof
US-10544261-B2 · Jan 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07F9/657172?
- CPC C07F9/657172 is the Cooperative Patent Classification code for “the ring phosphorus atom and one oxygen atom being part of a (thio)phosphinic acid ester: [IMAGE cpc-sch-C07F-1008.gif] (X = O, S).”
- How many patents are filed under CPC C07F9/657172 (the ring phosphorus atom and one oxygen atom being part of a (thio)phosphinic acid ester: [IMAGE cpc-sch-C07F-1008.gif] (X = O, S))?
- Our database includes 78 publications tagged with this CPC code.
- Is patent activity under CPC C07F9/657172 growing?
- Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).