Copolymers with acrylonitrile · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C09D109/02 |
| Official title | Copolymers with acrylonitrile |
| Display label | Copolymers with acrylonitrile |
| Total patents | 56 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 7 |
| 2018 | 10 |
| 2019 | 7 |
| 2020 | 8 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12428300-B2 · Sep 30, 2025 · US
US-2025171623-A1 · May 29, 2025 · US
US-12240980-B2 · Mar 4, 2025 · US
US-12139635-B2 · Nov 12, 2024 · US
US-2024294777-A1 · Sep 5, 2024 · US
US-11949107-B2 · Apr 2, 2024 · US
US-2023382737-A1 · Nov 30, 2023 · US
US-11674034-B2 · Jun 13, 2023 · US
US-11560671-B2 · Jan 24, 2023 · US
US-11371169-B2 · Jun 28, 2022 · US
US-2022135776-A1 · May 5, 2022 · US
US-2022020994-A1 · Jan 20, 2022 · US
US-2022002559-A1 · Jan 6, 2022 · US
US-11215937-B2 · Jan 4, 2022 · US
US-11139449-B2 · Oct 5, 2021 · US
US-2021232058-A1 · Jul 29, 2021 · US
US-10995210-B2 · May 4, 2021 · US
US-10844181-B2 · Nov 24, 2020 · US
US-2020263026-A1 · Aug 20, 2020 · US
US-2020208344-A1 · Jul 2, 2020 · US
Answers are generated from the same data shown on this page.