Sulfonium salt monomer, sulfonium salt quencher, polymer, chemically amplified resist composition, and patterning method
US-2026050217-A1 · Feb 19, 2026 · US
having unsaturation outside the aromatic ring · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C65/19 |
| Official title | having unsaturation outside the aromatic ring |
| Display label | having unsaturation outside the aromatic ring |
| Total patents | 48 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 6 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 7 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 8 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 4 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026050217-A1 · Feb 19, 2026 · US
US-2026008762-A1 · Jan 8, 2026 · US
US-2025388916-A1 · Dec 25, 2025 · US
US-12492273-B2 · Dec 9, 2025 · US
US-2025362605-A1 · Nov 27, 2025 · US
US-12258314-B2 · Mar 25, 2025 · US
US-11858889-B2 · Jan 2, 2024 · US
US-2023137139-A1 · May 4, 2023 · US
US-2023048981-A1 · Feb 16, 2023 · US
US-2022396551-A1 · Dec 15, 2022 · US
US-2022306999-A1 · Sep 29, 2022 · US
US-2022304958-A1 · Sep 29, 2022 · US
US-2022144795-A1 · May 12, 2022 · US
US-11267780-B2 · Mar 8, 2022 · US
US-11253455-B2 · Feb 22, 2022 · US
US-11247909-B1 · Feb 15, 2022 · US
US-11242317-B2 · Feb 8, 2022 · US
US-11058619-B2 · Jul 13, 2021 · US
US-2021163438-A1 · Jun 3, 2021 · US
US-10995052-B2 · May 4, 2021 · US
Answers are generated from the same data shown on this page.