Compound and method of producing the compound
US-2024400740-A1 · Dec 5, 2024 · US
Acrylonitrile
Acrylonitrile · 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 | C08F120/44 |
| Official title | Acrylonitrile |
| Display label | Acrylonitrile |
| Total patents | 66 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 9 |
| 2017 | 8 |
| 2018 | 5 |
| 2019 | 11 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 7 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Resin composition comprising thermoplastic plastomer and hollow resin particles and molded product thereof
US-12139609-B2 · Nov 12, 2024 · US
Carbon fiber crystal orientation improvement by polymer modification, fiber stretching and oxidation for brake application
US-12049934-B2 · Jul 30, 2024 · US
Gel electrolyte precursor and use thereof
US-2024120535-A9 · Apr 11, 2024 · US
Aqueous route to nitrogen-doped mesoporous carbons
US-11891305-B2 · Feb 6, 2024 · US
Gel electrolyte precursor and use thereof
US-2023335793-A1 · Oct 19, 2023 · US
Method for preparing sulfur-polyacrylonitrile (span)
US-2023287153-A1 · Sep 14, 2023 · US
Sulfur-modified polyacrylonitrile, electrode active material containing same, electrode for secondary battery containing said electrode active material, method of manufacturing said electrode, and non-aqueous electrolyte secondary battery using said electrode
US-2023235103-A1 · Jul 27, 2023 · US
Organo sulfur-based electrode active material
US-11594732-B2 · Feb 28, 2023 · US
Aqueous route to nitrogen-doped mesoporous carbons
US-2023049990-A1 · Feb 16, 2023 · US
Manufacturing method for carbon fiber
US-2023034175-A1 · Feb 2, 2023 · US
Composite for sodium batteries
US-2022302453-A1 · Sep 22, 2022 · US
Method of preparing acrylonitrile-based polymer for producing carbon fiber
US-11427659-B2 · Aug 30, 2022 · US
Resin composition and molded product thereof
US-2022033652-A1 · Feb 3, 2022 · US
Methods of Using N-Containing Compounds with Carbon Black to Replace Pan and Form Carbon Fibers
US-2021395531-A1 · Dec 23, 2021 · US
Process for the production of polyacrylonitrile
US-11192966-B2 · Dec 7, 2021 · US
Biobased carbon fibers and carbon black and methods of making the same
US-10899622-B2 · Jan 26, 2021 · US
Polymerization of Michael-type and heterocyclic monomers
US-10894845-B2 · Jan 19, 2021 · US
Organo sulfur-based electrode active material
US-2020350587-A1 · Nov 5, 2020 · US
Polyacrylonitrile (PAN) polymers with low polydispersity index (PDI) and carbon fibers made therefrom
US-10647844-B2 · May 12, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F120/44?
- CPC C08F120/44 is the Cooperative Patent Classification code for “Acrylonitrile.”
- How many patents are filed under CPC C08F120/44 (Acrylonitrile)?
- Our database includes 66 publications tagged with this CPC code.
- Is patent activity under CPC C08F120/44 growing?
- Publication counts under this code: 7 in 2024 vs 4 in 2025 (latest complete years).