Polymerizable composition for optical material, molded product, optical material, and plastic lens and method for manufacturing same
US-12448470-B2 · Oct 21, 2025 · US
Esters of carbonic or haloformic acids · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08F18/24 |
| Official title | Esters of carbonic or haloformic acids |
| Display label | Esters of carbonic or haloformic acids |
| Total patents | 26 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 3 |
| 2019 | 3 |
| 2020 | 7 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12448470-B2 · Oct 21, 2025 · US
US-12384870-B2 · Aug 12, 2025 · US
US-2024158554-A1 · May 16, 2024 · US
US-11683987-B2 · Jun 20, 2023 · US
US-11634537-B2 · Apr 25, 2023 · US
US-11480713-B2 · Oct 25, 2022 · US
US-11474280-B2 · Oct 18, 2022 · US
US-2021230320-A1 · Jul 29, 2021 · US
US-2021151655-A1 · May 20, 2021 · US
US-2021079151-A1 · Mar 18, 2021 · US
US-2021070931-A1 · Mar 11, 2021 · US
US-10851222-B2 · Dec 1, 2020 · US
US-10822455-B2 · Nov 3, 2020 · US
US-10723862-B2 · Jul 28, 2020 · US
US-2020233117-A1 · Jul 23, 2020 · US
US-10711078-B2 · Jul 14, 2020 · US
US-2020088909-A1 · Mar 19, 2020 · US
US-2020062924-A1 · Feb 27, 2020 · US
US-2019352458-A1 · Nov 21, 2019 · US
US-10407540-B2 · Sep 10, 2019 · US
Answers are generated from the same data shown on this page.