Homopolymers or copolymers of nitriles containing four or more carbon atoms · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C09D133/22 |
| Official title | Homopolymers or copolymers of nitriles containing four or more carbon atoms |
| Display label | Homopolymers or copolymers of nitriles containing four or more carbon atoms |
| Total patents | 12 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 3 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2024030442-A1 · Jan 25, 2024 · US
US-2023299372-A1 · Sep 21, 2023 · US
US-2023105056-A1 · Apr 6, 2023 · US
US-11306213-B2 · Apr 19, 2022 · US
US-2019233695-A1 · Aug 1, 2019 · US
US-2019153236-A1 · May 23, 2019 · US
US-10240047-B2 · Mar 26, 2019 · US
US-9988541-B2 · Jun 5, 2018 · US
US-9834696-B2 · Dec 5, 2017 · US
US-2017335122-A1 · Nov 23, 2017 · US
US-2017260398-A1 · Sep 14, 2017 · US
US-2016257838-A1 · Sep 8, 2016 · US