Resist underlayer film-forming composition containing indolocarbazole novolak resin
US-12242196-B2 · Mar 4, 2025 · US
of aldehydes with heterocyclic compounds
of aldehydes with heterocyclic compounds · 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 | C09D161/26 |
| Official title | of aldehydes with heterocyclic compounds |
| Display label | of aldehydes with heterocyclic compounds |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 9 |
| 2017 | 1 |
| 2018 | 5 |
| 2019 | 8 |
| 2020 | 6 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Acrylic Polyester Resin and An Aqueous Coating Composition Containing the Same
US-2024262947-A1 · Aug 8, 2024 · US
Acrylic polyester resin and an aqueous coating composition containing the same
US-11981764-B2 · May 14, 2024 · US
Resist underlayer film-forming composition containing amide solvent
US-2024006183-A1 · Jan 4, 2024 · US
Resist underlayer film-forming composition containing amide solvent
US-11798810-B2 · Oct 24, 2023 · US
Resist underlayer film-forming composition containing indolocarbazole novolak resin
US-2023324802-A1 · Oct 12, 2023 · US
Acrylic polyester resin and an aqueous coating composition containing the same
US-2023303751-A1 · Sep 28, 2023 · US
Resist underlayer film-forming composition containing indolocarbazole novolak resin
US-11720024-B2 · Aug 8, 2023 · US
Acrylic polyester resin and an aqueous coating composition containing the same
US-11708444-B2 · Jul 25, 2023 · US
Resist underlying film-forming composition for nanoimprinting
US-2023060585-A1 · Mar 2, 2023 · US
Resist underlayer film-forming composition containing indolocarbazole novolak resin
US-2022404707-A1 · Dec 22, 2022 · US
Acrylic Polyester Resin and An Aqueous Coating Composition Containing the Same
US-2022348706-A1 · Nov 3, 2022 · US
Fibers made from soluble polymers
US-11479882-B2 · Oct 25, 2022 · US
Acrylic polyester resin and an aqueous coating composition containing the same
US-11421067-B2 · Aug 23, 2022 · US
Polymer, hardmask composition, and method of forming patterns
US-11220570-B2 · Jan 11, 2022 · US
Acrylic Polyester Resin and An Aqueous Coating Composition Containing the Same
US-2021340303-A1 · Nov 4, 2021 · US
Acrylic Polyester Resin and An Aqueous Coating Composition Containing the Same
US-2021261710-A1 · Aug 26, 2021 · US
Amino resin composition and varnish, coating layer, and product comprising the same
US-10745556-B1 · Aug 18, 2020 · US
Fibers made from soluble polymers
US-2020240046-A1 · Jul 30, 2020 · US
Polymer, hardmask composition, and method of forming patterns
US-2020207902-A1 · Jul 2, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09D161/26?
- CPC C09D161/26 is the Cooperative Patent Classification code for “of aldehydes with heterocyclic compounds.”
- How many patents are filed under CPC C09D161/26 (of aldehydes with heterocyclic compounds)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC C09D161/26 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).