Onium salt, chemically amplified resist composition and patterning process
US-12275693-B2 · Apr 15, 2025 · US
of a saturated carbon skeleton containing rings · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C321/16 |
| Official title | of a saturated carbon skeleton containing rings |
| Display label | of a saturated carbon skeleton containing rings |
| Total patents | 36 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 8 |
| 2018 | 4 |
| 2019 | 7 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12275693-B2 · Apr 15, 2025 · US
US-11953827-B2 · Apr 9, 2024 · US
US-11701373-B2 · Jul 18, 2023 · US
US-2022331346-A1 · Oct 20, 2022 · US
US-11058696-B2 · Jul 13, 2021 · US
US-2020379345-A1 · Dec 3, 2020 · US
US-2020369605-A1 · Nov 26, 2020 · US
US-2020281952-A1 · Sep 10, 2020 · US
US-10709719-B2 · Jul 14, 2020 · US
US-10501408-B2 · Dec 10, 2019 · US
US-10344005-B2 · Jul 9, 2019 · US
US-10315999-B2 · Jun 11, 2019 · US
US-2019106384-A1 · Apr 11, 2019 · US
US-2019076450-A1 · Mar 14, 2019 · US
US-10189779-B2 · Jan 29, 2019 · US
US-10166249-B2 · Jan 1, 2019 · US
US-2018282285-A1 · Oct 4, 2018 · US
US-9988356-B2 · Jun 5, 2018 · US
US-2018072663-A1 · Mar 15, 2018 · US
US-2018016238-A1 · Jan 18, 2018 · US
Answers are generated from the same data shown on this page.