Dual functional poly(arylene ether) compounds
US-10662288-B2 · May 26, 2020 · US
Polyphenylene oxides
Polyphenylene oxides · 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 | C09D171/12 |
| Official title | Polyphenylene oxides |
| Display label | Polyphenylene oxides |
| Total patents | 145 |
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 | 14 |
| 2016 | 9 |
| 2017 | 12 |
| 2018 | 7 |
| 2019 | 16 |
| 2020 | 18 |
| 2021 | 19 |
| 2022 | 11 |
| 2023 | 18 |
| 2024 | 15 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compositions for containers and other articles and methods of using same
US-2020095021-A1 · Mar 26, 2020 · US
Multi-layered structure and substrate
US-2019390061-A1 · Dec 26, 2019 · US
Glass fiber coatings for improved resistance to conductive anodic filament formation
US-2019364659-A1 · Nov 28, 2019 · US
Glass fiber coatings for improved resistance to conductive anodic filament formation
US-10462900-B2 · Oct 29, 2019 · US
Epoxy resin composition
US-2019322858-A1 · Oct 24, 2019 · US
Flexible, uv-resistant poly(phenylene ether) composition, and insulated conductor and jacketed cable comprising same
US-2019318840-A1 · Oct 17, 2019 · US
Compositions for containers and other articles and methods of using same
US-10435199-B2 · Oct 8, 2019 · US
Phosphorus-containing flame retardant, preparation method thereof, resin composition comprising the phosphorus-containing flame retardant and article made therefrom
US-2019300556-A1 · Oct 3, 2019 · US
Dual functional poly(arylene ether) compounds
US-2019225748-A1 · Jul 25, 2019 · US
Resin composition and uses thereof in high frequency circuit boards
US-10308806-B2 · Jun 4, 2019 · US
Poly(arylene ether) resin composition and cable coated with the same
US-10301503-B2 · May 28, 2019 · US
Modified polyphenylene ether, method for preparing same, polyphenylene ether resin composition, resin varnish, prepreg, metal-clad laminate and printed circuit board
US-10240015-B2 · Mar 26, 2019 · US
Primer composition and copper foil substrate using the same
US-2019053367-A1 · Feb 14, 2019 · US
Method for increasing adhesion between a chromium surface and a lacquer
US-10196530-B2 · Feb 5, 2019 · US
Polyarylether ketone compositions and method of coating a metal surface
US-2019031908-A1 · Jan 31, 2019 · US
Oligomer, composition and composite material employing the same
US-10179833-B2 · Jan 15, 2019 · US
Composition for forming passivation film, including resin having carbon-carbon multiple bond
US-10174168-B2 · Jan 8, 2019 · US
Compositions for containers and other articles and methods of using same
US-2018346199-A1 · Dec 6, 2018 · US
Method for increasing adhesion between a chromium surface and a lacquer
US-2018273775-A1 · Sep 27, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09D171/12?
- CPC C09D171/12 is the Cooperative Patent Classification code for “Polyphenylene oxides.”
- How many patents are filed under CPC C09D171/12 (Polyphenylene oxides)?
- Our database includes 145 publications tagged with this CPC code.
- Is patent activity under CPC C09D171/12 growing?
- Publication counts under this code: 15 in 2024 vs 6 in 2025 (latest complete years).