Sandwich-structured thin film composite anion exchange membrane for redox flow battery applications
US-12551879-B2 · Feb 17, 2026 · US
based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds, and by reactions not involving this type of bond · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08J5/2268 |
| Official title | {based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds, and by reactions not involving this type of bond} |
| Display label | based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds, and by reactions not involving this type of bond |
| Total patents | 41 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 4 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12551879-B2 · Feb 17, 2026 · US
US-12398243-B2 · Aug 26, 2025 · US
US-12394822-B2 · Aug 19, 2025 · US
US-2025145772-A1 · May 8, 2025 · US
US-12202788-B2 · Jan 21, 2025 · US
US-2024131477-A1 · Apr 25, 2024 · US
US-2024116858-A1 · Apr 11, 2024 · US
US-2024110008-A1 · Apr 4, 2024 · US
US-11731087-B2 · Aug 22, 2023 · US
US-11618016-B2 · Apr 4, 2023 · US
US-2022370999-A1 · Nov 24, 2022 · US
US-11273436-B2 · Mar 15, 2022 · US
US-2022041833-A1 · Feb 10, 2022 · US
US-2022032282-A1 · Feb 3, 2022 · US
US-2022029197-A1 · Jan 27, 2022 · US
US-2022002497-A1 · Jan 6, 2022 · US
US-2021346881-A1 · Nov 11, 2021 · US
US-2021343484-A1 · Nov 4, 2021 · US
US-11118044-B2 · Sep 14, 2021 · US
US-2021106948-A1 · Apr 15, 2021 · US
Answers are generated from the same data shown on this page.