Resist underlayer film-forming composition containing novolac polymer having secondary amino group
US-11199777-B2 · Dec 14, 2021 · US
of aldehydes with acyclic or carbocyclic compounds
of aldehydes with acyclic or carbocyclic 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 | C09D161/22 |
| Official title | of aldehydes with acyclic or carbocyclic compounds |
| Display label | of aldehydes with acyclic or carbocyclic compounds |
| Total patents | 67 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 15 |
| 2017 | 10 |
| 2018 | 10 |
| 2019 | 8 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polyhemiaminal and polyhexahydrotriazine materials from 1,4 conjugate addition reactions
US-11041048-B2 · Jun 22, 2021 · US
Polymer and composition for forming organic film, substrate for manufacturing semiconductor apparatus, method for forming organic film, and patterning process
US-10998197-B2 · May 4, 2021 · US
Resist underlayer film-forming composition that contains triaryldiamine-containing novolac resin to which aromatic vinyl compound is added
US-2020387072-A1 · Dec 10, 2020 · US
Resist underlayer film-forming composition containing substituted crosslinkable compound
US-2020379352-A1 · Dec 3, 2020 · US
Resist underlayer film-forming composition containing substituted crosslinkable compound
US-10809619-B2 · Oct 20, 2020 · US
Tailorable surface topology for antifouling coatings
US-10752787-B2 · Aug 25, 2020 · US
Tailorable surface topology for antifouling coatings
US-10696849-B2 · Jun 30, 2020 · US
Polymeric coatings and coating method
US-10668502-B2 · Jun 2, 2020 · US
Tailorable surface topology for antifouling coatings
US-2020071541-A1 · Mar 5, 2020 · US
Resist underlayer film-forming composition containing amide solvent
US-2019354018-A1 · Nov 21, 2019 · US
Method for manufacturing semiconductor substrate having group-iii nitride compound layer
US-2019225731-A1 · Jul 25, 2019 · US
Resist underlayer film forming composition containing triaryldiamine-containing novolac resin
US-2019212649-A1 · Jul 11, 2019 · US
Amine glyoxal resins
US-10344115-B2 · Jul 9, 2019 · US
Polyhemiaminal and polyhexahydrotriazine materials from 1,4 conjugate addition reactions
US-2019177481-A1 · Jun 13, 2019 · US
Polyhemiaminal and polyhexahydrotriazine materials from 1,4 conjugate addition reactions
US-10316143-B2 · Jun 11, 2019 · US
Composition for forming organic film, substrate for manufacturing semiconductor apparatus, method for forming organic film, patterning process, and polymer
US-2019067021-A1 · Feb 28, 2019 · US
Tailorable surface topology for antifouling coatings
US-2019048208-A1 · Feb 14, 2019 · US
Amine glyoxal resins
US-2018340037-A1 · Nov 29, 2018 · US
Coating system, a method of applying the coating system and an article comprising the coating system
US-10137475-B2 · Nov 27, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09D161/22?
- CPC C09D161/22 is the Cooperative Patent Classification code for “of aldehydes with acyclic or carbocyclic compounds.”
- How many patents are filed under CPC C09D161/22 (of aldehydes with acyclic or carbocyclic compounds)?
- Our database includes 67 publications tagged with this CPC code.
- Is patent activity under CPC C09D161/22 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).