Onium salt, chemically amplified resist composition, and pattern forming process
US-2026028313-A1 · Jan 29, 2026 · US
the rings having only two atoms in common · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C2602/02 |
| Official title | the rings having only two atoms in common |
| Display label | the rings having only two atoms in common |
| Total patents | 28 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 1 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026028313-A1 · Jan 29, 2026 · US
US-12503443-B2 · Dec 23, 2025 · US
US-12325685-B2 · Jun 10, 2025 · US
US-2025170252-A1 · May 29, 2025 · US
US-2024254087-A1 · Aug 1, 2024 · US
US-2024199522-A1 · Jun 20, 2024 · US
US-11919848-B2 · Mar 5, 2024 · US
US-2023371363-A1 · Nov 16, 2023 · US
US-2023295069-A1 · Sep 21, 2023 · US
US-11565994-B2 · Jan 31, 2023 · US
US-2022289683-A1 · Sep 15, 2022 · US
US-11292757-B2 · Apr 5, 2022 · US
US-2021309595-A1 · Oct 7, 2021 · US
US-2021206709-A1 · Jul 8, 2021 · US
US-2021094899-A1 · Apr 1, 2021 · US
US-2021009511-A1 · Jan 14, 2021 · US
US-2019359565-A1 · Nov 28, 2019 · US
US-10131637-B2 · Nov 20, 2018 · US
US-9962357-B2 · May 8, 2018 · US
US-9944616-B2 · Apr 17, 2018 · US
Answers are generated from the same data shown on this page.