Composition for removing edge bead from metal containing resists, developer composition of metal containing resists, and method of forming patterns using the composition
US-2025123568-A1 · Apr 17, 2025 · US
Ketones containing more than one keto group · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C49/12 |
| Official title | Ketones containing more than one keto group |
| Display label | Ketones containing more than one keto group |
| Total patents | 23 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 1 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025123568-A1 · Apr 17, 2025 · US
US-2025059642-A1 · Feb 20, 2025 · US
US-2024262771-A1 · Aug 8, 2024 · US
US-2024060176-A1 · Feb 22, 2024 · US
US-11753429-B2 · Sep 12, 2023 · US
US-11608317-B2 · Mar 21, 2023 · US
US-2022298109-A1 · Sep 22, 2022 · US
US-11407703-B2 · Aug 9, 2022 · US
US-2022017553-A1 · Jan 20, 2022 · US
US-2021047254-A1 · Feb 18, 2021 · US
US-10207974-B1 · Feb 19, 2019 · US
US-10099987-B2 · Oct 16, 2018 · US
US-9988274-B2 · Jun 5, 2018 · US
US-2017327449-A1 · Nov 16, 2017 · US
US-9585362-B2 · Mar 7, 2017 · US
US-9557297-B2 · Jan 31, 2017 · US
US-2016286753-A1 · Oct 6, 2016 · US
US-9447364-B2 · Sep 20, 2016 · US
US-9284249-B2 · Mar 15, 2016 · US
US-2015258220-A1 · Sep 17, 2015 · US