Quad-polymer precursor for producing carbon fiber, method for producing same and method for using same
US-12065762-B2 · Aug 20, 2024 · US
with nitrogen-containing monomers
with nitrogen-containing monomers · 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 | C08F220/48 |
| Official title | with nitrogen-containing monomers |
| Display label | with nitrogen-containing monomers |
| Total patents | 72 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 9 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 8 |
| 2023 | 14 |
| 2024 | 9 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dispersant for power storage device positive electrode
US-2024247088-A1 · Jul 25, 2024 · US
Method for producing carbon fiber
US-12006595-B2 · Jun 11, 2024 · US
Binder composition for electrochemical device, slurry composition for electrochemical device electrode, electrode for electrochemical device, and electrochemical device
US-2023387417-A1 · Nov 30, 2023 · US
Quad-polymer precursor for producing carbon fiber, method for producing same and method for using same
US-2023357960-A1 · Nov 9, 2023 · US
Quad-polymer precursor for producing carbon fiber, method for producing same and method for using same
US-2023357959-A1 · Nov 9, 2023 · US
Method for preparing polyion thin film, and polyion thin film and detection kit
US-2023295360-A1 · Sep 21, 2023 · US
Occult blood detection film, and preparation method therefor and use thereof and occult blood detection kit
US-2023273225-A1 · Aug 31, 2023 · US
Trypsin detection film, preparation method therefor, application thereof, and trypsin detection kit
US-2023265482-A1 · Aug 24, 2023 · US
Quad-polymer precursor for producing carbon fiber, method for producing same and method for using same
US-11692285-B2 · Jul 4, 2023 · US
Binder composition for secondary battery
US-2023178740-A1 · Jun 8, 2023 · US
Binder composition for secondary battery
US-2023141592-A1 · May 11, 2023 · US
Free-standing non-fouling polymers, their compositions, and related monomers
US-2023124554-A1 · Apr 20, 2023 · US
Method for producing carbon fiber
US-2023082504-A1 · Mar 16, 2023 · US
Separator for rechargeable battery and rechargeable lithium battery including the same
US-11584861-B2 · Feb 21, 2023 · US
Binder for non-aqueous electrolyte rechargeable battery, negative electrode slurry for rechargeable battery including the same, negative electrode for rechargeable battery including the same, and rechargeable battery including the same
US-11575133-B2 · Feb 7, 2023 · US
Anode Mixture for Secondary Battery, Anode and Secondary Battery Including the Same
US-2023015326-A1 · Jan 19, 2023 · US
Free-standing non-fouling polymers, their compositions, and related monomers
US-11512160-B2 · Nov 29, 2022 · US
Method of preparing acrylonitrile-based polymer for producing carbon fiber
US-11427659-B2 · Aug 30, 2022 · US
Zwitterion-containing membranes
US-11421061-B2 · Aug 23, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F220/48?
- CPC C08F220/48 is the Cooperative Patent Classification code for “with nitrogen-containing monomers.”
- How many patents are filed under CPC C08F220/48 (with nitrogen-containing monomers)?
- Our database includes 72 publications tagged with this CPC code.
- Is patent activity under CPC C08F220/48 growing?
- Publication counts under this code: 9 in 2024 vs 4 in 2025 (latest complete years).