Aryl-ether-free polyaromatic polymers with branched structures for anion exchange membranes
US-2025099922-A1 · Mar 27, 2025 · US
with only one nitrogen atom in the ring · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08G73/0627 |
| Official title | {with only one nitrogen atom in the ring} |
| Display label | with only one nitrogen atom in the ring |
| Total patents | 65 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 6 |
| 2017 | 3 |
| 2018 | 8 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 9 |
| 2022 | 3 |
| 2023 | 8 |
| 2024 | 5 |
| 2025 | 6 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025099922-A1 · Mar 27, 2025 · US
US-2024228713-A1 · Jul 11, 2024 · US
US-2024166824-A1 · May 23, 2024 · US
US-11980879-B2 · May 14, 2024 · US
US-11970449-B2 · Apr 30, 2024 · US
US-2024131477-A1 · Apr 25, 2024 · US
US-2023295093-A1 · Sep 21, 2023 · US
US-11754921-B2 · Sep 12, 2023 · US
US-11702390-B2 · Jul 18, 2023 · US
US-11697884-B2 · Jul 11, 2023 · US
US-2023121359-A1 · Apr 20, 2023 · US
US-2023107239-A1 · Apr 6, 2023 · US
US-2023102700-A1 · Mar 30, 2023 · US
US-11603357-B1 · Mar 14, 2023 · US
US-11532789-B2 · Dec 20, 2022 · US
US-2022325053-A1 · Oct 13, 2022 · US
US-11279881-B2 · Mar 22, 2022 · US
US-2021388519-A1 · Dec 16, 2021 · US
US-11198788-B2 · Dec 14, 2021 · US
US-11124888-B2 · Sep 21, 2021 · US
Answers are generated from the same data shown on this page.