Acetal-based compound, acetal-based prepolymer, acetal-based polymer, and photoresist composition comprising the same
US-12503433-B2 · Dec 23, 2025 · US
Preparation of sulfones; Preparation of sulfoxides · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C315/00 |
| Official title | Preparation of sulfones; Preparation of sulfoxides |
| Display label | Preparation of sulfones; Preparation of sulfoxides |
| Total patents | 38 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 1 |
| 2018 | 10 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 4 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12503433-B2 · Dec 23, 2025 · US
US-2025270152-A1 · Aug 28, 2025 · US
US-2025230109-A1 · Jul 17, 2025 · US
US-12351548-B2 · Jul 8, 2025 · US
US-12168642-B2 · Dec 17, 2024 · US
US-11685809-B2 · Jun 27, 2023 · US
US-2023174471-A1 · Jun 8, 2023 · US
US-2023159447-A1 · May 25, 2023 · US
US-2023054928-A1 · Feb 23, 2023 · US
US-2022267264-A1 · Aug 25, 2022 · US
US-2022135521-A1 · May 5, 2022 · US
US-2022098147-A1 · Mar 31, 2022 · US
US-2021114953-A1 · Apr 22, 2021 · US
US-10919847-B2 · Feb 16, 2021 · US
US-2021009753-A1 · Jan 14, 2021 · US
US-10723841-B2 · Jul 28, 2020 · US
US-10457780-B2 · Oct 29, 2019 · US
US-2019040202-A1 · Feb 7, 2019 · US
US-10160722-B2 · Dec 25, 2018 · US
US-2018290970-A1 · Oct 11, 2018 · US
Answers are generated from the same data shown on this page.