Polymer, preparation method, negative electrode plate, secondary battery, and power consuming apparatus
US-2026018619-A1 · Jan 15, 2026 · US
Amides {, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide} · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08F20/54 |
| Official title | Amides {, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide} |
| Display label | Amides {, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide} |
| Total patents | 45 |
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 | 4 |
| 2018 | 4 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 4 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026018619-A1 · Jan 15, 2026 · US
US-12454585-B2 · Oct 28, 2025 · US
US-12448475-B2 · Oct 21, 2025 · US
US-2025257228-A1 · Aug 14, 2025 · US
US-2025230321-A1 · Jul 17, 2025 · US
US-2024409674-A1 · Dec 12, 2024 · US
US-2023357461-A1 · Nov 9, 2023 · US
US-11780940-B2 · Oct 10, 2023 · US
US-2023103984-A1 · Apr 6, 2023 · US
US-11548962-B2 · Jan 10, 2023 · US
US-2022403058-A1 · Dec 22, 2022 · US
US-2022356287-A1 · Nov 10, 2022 · US
US-11285458-B2 · Mar 29, 2022 · US
US-2021403618-A1 · Dec 30, 2021 · US
US-11013668-B2 · May 25, 2021 · US
US-10982055-B2 · Apr 20, 2021 · US
US-10920179-B2 · Feb 16, 2021 · US
US-10894845-B2 · Jan 19, 2021 · US
US-2020406231-A1 · Dec 31, 2020 · US
US-10807069-B2 · Oct 20, 2020 · US
Answers are generated from the same data shown on this page.