Phase change flame retardant fiber material and preparation method for thermal management of lithium-ion battery in enclosed space
US-12522953-B2 · Jan 13, 2026 · US
with at least one polyacrylonitrile as constituent
with at least one polyacrylonitrile as constituent · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D01F8/08 |
| Official title | with at least one polyacrylonitrile as constituent |
| Display label | with at least one polyacrylonitrile as constituent |
| Total patents | 44 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 10 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composite fiber and method for manufacturing the same
US-2025347032-A1 · Nov 13, 2025 · US
Melt spinning lignin/acrylic fibers
US-2025341031-A1 · Nov 6, 2025 · US
Precursor Stabilisation Process
US-2025122649-A1 · Apr 17, 2025 · US
Method of delaying and reducing texture reversion of a textured artificial turf yarn
US-12247327-B2 · Mar 11, 2025 · US
Precursor stabilisation process
US-12180619-B2 · Dec 31, 2024 · US
Mxene composite fibers and manufacturing method thereof
US-2024384441-A1 · Nov 21, 2024 · US
Additive for rechargeable lithium battery, electrolyte including same and rechargeable lithium battery
US-2024339659-A1 · Oct 10, 2024 · US
Skin-core structure fibers with both infrared and radar stealth, preparation method therefor, and use thereof
US-12104882-B2 · Oct 1, 2024 · US
Skin-core structure fibers with both infrared and radar stealth, preparation method therefor, and use thereof
US-2024175661-A1 · May 30, 2024 · US
Method for producing hollow activated carbon nanofiber for activating peroxymonosulfate, catalyst for purifying water, and method for purifying water
US-11980873-B2 · May 14, 2024 · US
Precursor Stabilisation Process
US-2024125009-A1 · Apr 18, 2024 · US
Composite fiber and method of manufacturing same
US-2024060215-A1 · Feb 22, 2024 · US
Precursor stabilisation process
US-11873584-B2 · Jan 16, 2024 · US
Aqueous liquid of treatment agent for carbon fiber precursors, and carbon fiber precursor
US-11866851-B2 · Jan 9, 2024 · US
Phase change flame retardant fiber material and preparation method for thermal management of lithium-ion battery in enclosed space
US-2023340702-A1 · Oct 26, 2023 · US
Method of delaying and reducing texture reversion of a textured artificial turf yarn
US-2023243072-A1 · Aug 3, 2023 · US
Method of delaying and reducing texture reversion of a textured artificial turf yarn
US-11655566-B2 · May 23, 2023 · US
Core-shell morphology of composite filaments for use in extrusion-based additive manufacturing systems
US-11643754-B2 · May 9, 2023 · US
Aqueous liquid of treatment agent for carbon fiber precursors, and carbon fiber precursor
US-2022275539-A1 · Sep 1, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D01F8/08?
- CPC D01F8/08 is the Cooperative Patent Classification code for “with at least one polyacrylonitrile as constituent.”
- How many patents are filed under CPC D01F8/08 (with at least one polyacrylonitrile as constituent)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC D01F8/08 growing?
- Publication counts under this code: 10 in 2024 vs 4 in 2025 (latest complete years).