Resist underlayer film-forming composition
US-2025376549-A1 · Dec 11, 2025 · US
Homopolymers and copolymers of compounds having one or more carbon-to-carbon triple bonds
Homopolymers and copolymers of compounds having one or more carbon-to-carbon triple bonds · 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 | C08F38/00 |
| Official title | Homopolymers and copolymers of compounds having one or more carbon-to-carbon triple bonds |
| Display label | Homopolymers and copolymers of compounds having one or more carbon-to-carbon triple bonds |
| Total patents | 62 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 1 |
| 2017 | 6 |
| 2018 | 3 |
| 2019 | 7 |
| 2020 | 8 |
| 2021 | 7 |
| 2022 | 8 |
| 2023 | 4 |
| 2024 | 7 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Material for forming organic film, patterning process, and polymer
US-12379663-B2 · Aug 5, 2025 · US
Catalyst-free crosslinking of propiolate-ester-functionalized molecules and polymers
US-2025068077-A1 · Feb 27, 2025 · US
Tethered alkylidenes from organoazides for cyclic polymer synthesis
US-2025043067-A1 · Feb 6, 2025 · US
Liquid crystalline composition, cured product, optically anisotropic layer, optical element, and light guide element
US-2024353603-A1 · Oct 24, 2024 · US
Aromatic underlayer
US-12099300-B2 · Sep 24, 2024 · US
Metallacyclopentadiene initiators for cyclic polymer synthesis from alkynes
US-12077626-B2 · Sep 3, 2024 · US
Curable compound
US-12037319-B2 · Jul 16, 2024 · US
Resist underlayer film material, patterning process, and method for forming resist underlayer film
US-12013640-B2 · Jun 18, 2024 · US
Carbon fiber precursors and production process
US-11987707-B2 · May 21, 2024 · US
Compound and composition
US-2024025909-A1 · Jan 25, 2024 · US
Cyclic polyolefins derived from hexyne, octyne, nonyne, pentadecyne and their copolymers with acetylene
US-11725068-B2 · Aug 15, 2023 · US
Temporary protective lacquer optical element
US-11697712-B2 · Jul 11, 2023 · US
Material for forming organic film, substrate for manufacturing semiconductor device, method for forming organic film, patterning process, and compound for forming organic film
US-11692066-B2 · Jul 4, 2023 · US
Compositions and methods for single-step multipurpose surface functionalization
US-2023174690-A1 · Jun 8, 2023 · US
Carbon Fiber Precursors and Production Process
US-2022363904-A1 · Nov 17, 2022 · US
Material for forming organic film, substrate for manufacturing semiconductor device, method for forming organic film, patterning process, and compound for forming organic film
US-11500292-B2 · Nov 15, 2022 · US
Material for forming organic film, patterning process, and polymer
US-2022214618-A1 · Jul 7, 2022 · US
Metallacyclopentadiene initiators for cyclic polymer synthesis from alkynes
US-2022135709-A1 · May 5, 2022 · US
Compound, composition for forming organic film, substrate for manufacturing semiconductor apparatus, method for forming organic film, and patterning process
US-11307497-B2 · Apr 19, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F38/00?
- CPC C08F38/00 is the Cooperative Patent Classification code for “Homopolymers and copolymers of compounds having one or more carbon-to-carbon triple bonds.”
- How many patents are filed under CPC C08F38/00 (Homopolymers and copolymers of compounds having one or more carbon-to-carbon triple bonds)?
- Our database includes 62 publications tagged with this CPC code.
- Is patent activity under CPC C08F38/00 growing?
- Publication counts under this code: 7 in 2024 vs 5 in 2025 (latest complete years).