Polyphosphazene and molding compound containing the polyphosphazene
US-12552904-B2 · Feb 17, 2026 · US
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Cyclic phosphazenes [P=N-]n, n>=3
Cyclic phosphazenes [P=N-]n, n>=3 · 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 | C07F9/65812 |
| Official title | {Cyclic phosphazenes [P=N-]n, n>=3} |
| Display label | Cyclic phosphazenes [P=N-]n, n>=3 |
| Total patents | 10 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 2 |
| 2022 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Impact resistant cyclic phosphazenes
US-11485835-B2 · Nov 1, 2022 · US
Polyphosphazene and molding compound containing the polyphosphazene
US-2022275155-A1 · Sep 1, 2022 · US
Impact resistant cyclic phosphazenes
US-2020140654-A1 · May 7, 2020 · US
Impact resistant cyclic phosphazenes
US-10544285-B2 · Jan 28, 2020 · US
Impact resistant cyclic phosphazenes
US-2019112452-A1 · Apr 18, 2019 · US
Flame-retardant resin composition
US-2018057685-A1 · Mar 1, 2018 · US
Method of manufacturing cyclophosphazene derivatives
US-9890186-B2 · Feb 13, 2018 · US
Phenoxycyclotriphosphazene active ester, halogen-free resin composition and uses thereof
US-2016244471-A1 · Aug 25, 2016 · US
Method of manufacturing cyclophosphazene derivatives
US-2016130289-A1 · May 12, 2016 · US