Composition containing fluorine-containing polymer, method for producing fluorine-containing polymer, and ultraviolet light-emitting element lens containing fluorine-containing polymer
US-2026071013-A1 · Mar 12, 2026 · US
both belonging to carboxylic acids · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C409/34 |
| Official title | both belonging to carboxylic acids |
| Display label | both belonging to carboxylic acids |
| Total patents | 17 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026071013-A1 · Mar 12, 2026 · US
US-12209065-B2 · Jan 28, 2025 · US
US-11572343-B2 · Feb 7, 2023 · US
US-2022041549-A1 · Feb 10, 2022 · US
US-11220608-B2 · Jan 11, 2022 · US
US-11098011-B2 · Aug 24, 2021 · US
US-2021032201-A1 · Feb 4, 2021 · US
US-2020331854-A1 · Oct 22, 2020 · US
US-2020299522-A1 · Sep 24, 2020 · US
US-10689337-B2 · Jun 23, 2020 · US
US-10399917-B2 · Sep 3, 2019 · US
US-2019185425-A1 · Jun 20, 2019 · US
US-10221296-B2 · Mar 5, 2019 · US
US-2018273450-A1 · Sep 27, 2018 · US
US-2018022892-A1 · Jan 25, 2018 · US
US-2016122299-A1 · May 5, 2016 · US
US-9102607-B2 · Aug 11, 2015 · US