Method for cleaning semiconductor substrate, method for producing processed semiconductor substrate, and stripping composition
US-12529018-B2 · Jan 20, 2026 · US
aromatic · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C11D7/247 |
| Official title | {aromatic} |
| Display label | aromatic |
| Total patents | 26 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12529018-B2 · Jan 20, 2026 · US
US-2025320437-A1 · Oct 16, 2025 · US
US-12441964-B2 · Oct 14, 2025 · US
US-2025043216-A1 · Feb 6, 2025 · US
US-2024294847-A1 · Sep 5, 2024 · US
US-2024254415-A1 · Aug 1, 2024 · US
US-11732214-B2 · Aug 22, 2023 · US
US-2023151306-A1 · May 18, 2023 · US
US-2023002701-A1 · Jan 5, 2023 · US
US-2022135914-A1 · May 5, 2022 · US
US-2022010242-A1 · Jan 13, 2022 · US
US-11053462-B2 · Jul 6, 2021 · US
US-2021132503-A1 · May 6, 2021 · US
US-10934506-B2 · Mar 2, 2021 · US
US-10781411-B2 · Sep 22, 2020 · US
US-10731093-B2 · Aug 4, 2020 · US
US-10619126-B2 · Apr 14, 2020 · US
US-2019256806-A1 · Aug 22, 2019 · US
US-2019071622-A1 · Mar 7, 2019 · US
US-2018201884-A1 · Jul 19, 2018 · US
Answers are generated from the same data shown on this page.