Copolymer and its use as coating
US-2026049174-A1 · Feb 19, 2026 · US
alkane-based
alkane-based · 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 | C08G2261/3326 |
| Official title | alkane-based |
| Display label | alkane-based |
| Total patents | 49 |
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 | 1 |
| 2016 | 5 |
| 2017 | 6 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 7 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polyfluorene-based ionomer, anion exchange membrane, method for preparing the polyfluorene-based ionomer and method for fabricating the anion exchange membrane
US-12552897-B2 · Feb 17, 2026 · US
Composition For Forming Resist Underlayer Film, Patterning Process, And Method For Forming Resist Underlayer Film
US-2025028246-A1 · Jan 23, 2025 · US
Hard mask-forming composition and method for manufacturing electronic component
US-11921425-B2 · Mar 5, 2024 · US
Polymers having stable cationic pendant groups for use as anion exchange membranes
US-11827743-B2 · Nov 28, 2023 · US
Method for producing anion exchange resin and method for producing electrolyte membrane
US-2023312813-A1 · Oct 5, 2023 · US
Hard mask-forming composition and method for manufacturing electronic component
US-2023221643-A1 · Jul 13, 2023 · US
Hard mask-forming composition and method for manufacturing electronic component
US-11650503-B2 · May 16, 2023 · US
Proton exchange membrane material and methods of making the same
US-11621433-B2 · Apr 4, 2023 · US
Novel polyfluorene-based ionomer, anion exchange membrane, method for preparing the polyfluorene-based ionomer and method for fabricating the anion exchange membrane
US-2023038279-A1 · Feb 9, 2023 · US
Conductive polymeric composition and method for preparing the conductive polymeric composition
US-2022202333-A1 · Jun 30, 2022 · US
Anionic electrochemical compressor and refrigeration system employing same
US-11339996-B2 · May 24, 2022 · US
Phosphonated polymers, and methods of production thereof, for use as polymer electrolyte membranes (PEMs) and/or catalyst ionomeric binders for electrodes in PEM fuel cells
US-11335932-B2 · May 17, 2022 · US
Polybenzoxazine that can be used for coating metal and for the bonding of same to rubber
US-11306229-B2 · Apr 19, 2022 · US
Hard-mask forming composition and method for manufacturing electronic component
US-11248086-B2 · Feb 15, 2022 · US
Polymer, organic layer composition, and method of forming patterns
US-11203662-B2 · Dec 21, 2021 · US
Polymers, their preparation and uses
US-11183648-B2 · Nov 23, 2021 · US
Anion exchange polymers and anion exchange membranes incorporating same
US-11173456-B2 · Nov 16, 2021 · US
Plasma Assisted Parylene Deposition
US-2021340672-A1 · Nov 4, 2021 · US
Methods and compositions for enhancing processability and charge transport of polymer semiconductors and devices made therefrom
US-10862039-B2 · Dec 8, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G2261/3326?
- CPC C08G2261/3326 is the Cooperative Patent Classification code for “alkane-based.”
- How many patents are filed under CPC C08G2261/3326 (alkane-based)?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC C08G2261/3326 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).