Method for isolating a phenylene ether oligomer composition and phenylene ether oligomer composition
US-2018362711-A1 · Dec 20, 2018 · 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 | C08G65/485 |
| Official title | {Polyphenylene oxides} |
| Display label | Polyphenylene oxides |
| Total patents | 332 |
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 | 11 |
| 2017 | 22 |
| 2018 | 24 |
| 2019 | 33 |
| 2020 | 42 |
| 2021 | 42 |
| 2022 | 34 |
| 2023 | 36 |
| 2024 | 45 |
| 2025 | 27 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of forming phenylene ether oligomer
US-2018362430-A1 · Dec 20, 2018 · US
Method of forming a cured epoxy material, cured epoxy material formed thereby, phenylene ether oligomer-anhydride reaction product useful in the method, and composite core incorporating the cured epoxy material
US-2018319930-A1 · Nov 8, 2018 · US
Polyphenylene ether modified phenol-benzaldehyde multifunctional epoxy resin and use
US-10100142-B2 · Oct 16, 2018 · US
Laminated molded article
US-2018265702-A9 · Sep 20, 2018 · US
Polyphenyl ether resin composition and use thereof in high-frequency circuit substrate
US-2018220530-A1 · Aug 2, 2018 · US
Adhesive composition and composite substrate employing the same
US-2018179424-A1 · Jun 28, 2018 · US
Block Copolymer, Ion-Exchange Membrane And Method Of Preparing Block Copolymer
US-2018134844-A1 · May 17, 2018 · US
Phosphorus-containing vinyl polyphenylene ether, resin composition comprising phosphorus-containing vinyl polyphenylene ether and product thereof
US-2018086870-A1 · Mar 29, 2018 · US
Process for preparing polyphenylene ether microspore dispersion
US-9920218-B2 · Mar 20, 2018 · US
Resin composition eliminating volatile loss of initiating species for the preparation of printed circuit board laminates
US-2018077796-A1 · Mar 15, 2018 · US
Active ester, thermosetting resin composition, prepreg and laminated board containing same
US-2018050515-A1 · Feb 22, 2018 · US
Process for producing modified thermosetting polyphenylene ether resin
US-2018051116-A1 · Feb 22, 2018 · US
Transparent poly(phenylene ether) compositions, their methods of manufacture, and food packaging films and containers derived therefrom
US-9845388-B2 · Dec 19, 2017 · US
Thermosetting resin composition for frequency, and prepreg, laminated sheet and printed circuit board using same
US-2017342264-A1 · Nov 30, 2017 · US
Polyphenylene ether derivative having N-substituted maleimide group, and heat curable resin composition, resin varnish, prepreg, metal-clad laminate, and multilayer printed wiring board using same
US-9828466-B2 · Nov 28, 2017 · US
Transparent Poly(Phenylene Ether) Compositions, Their Methods of Manufacture, And Food Packaging Films And Containers Derived Therefrom
US-2017335102-A1 · Nov 23, 2017 · US
Organic electroluminescence device and ink composition
US-9815997-B2 · Nov 14, 2017 · US
Polyphenylene ether modified phenol-benzaldehyde multifunctional epoxy resin and use
US-2017267807-A1 · Sep 21, 2017 · US
Resin composition, prepreg and metal-foil-clad laminate
US-9743515-B2 · Aug 22, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G65/485?
- CPC C08G65/485 is the Cooperative Patent Classification code for “Polyphenylene oxides.”
- How many patents are filed under CPC C08G65/485 (Polyphenylene oxides)?
- Our database includes 332 publications tagged with this CPC code.
- Is patent activity under CPC C08G65/485 growing?
- Publication counts under this code: 45 in 2024 vs 27 in 2025 (latest complete years).