Resist underlayer film-forming composition
US-2025231489-A1 · Jul 17, 2025 · US
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Modified amine-aldehyde condensates
Modified amine-aldehyde condensates · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C09D161/32 |
| Official title | Modified amine-aldehyde condensates |
| Display label | Modified amine-aldehyde condensates |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Resist underlayer film-forming composition
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US-2015159041-A1 · Jun 11, 2015 · US
Method for preparing condensation resins and use thereof
US-8957178-B2 · Feb 17, 2015 · US