Composite fiber
US-12472451-B2 · Nov 18, 2025 · US
from cellulose, cellulose derivatives, or proteins
from cellulose, cellulose derivatives, or proteins · 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 | D01F8/02 |
| Official title | from cellulose, cellulose derivatives, or proteins |
| Display label | from cellulose, cellulose derivatives, or proteins |
| Total patents | 65 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 15 |
| 2022 | 9 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 10 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aliphatic-aromatic polyester composition, polyester fiber, preparation method therefor and use thereof
US-2025297059-A1 · Sep 25, 2025 · US
Treated Kraft pulp compositions and methods of making the same
US-12392086-B2 · Aug 19, 2025 · US
Melt spinning of blended cellulose acetate butyrate fibers
US-2025243607-A1 · Jul 31, 2025 · US
Natural polymer-based fibrous elements comprising a surfactant and methods for making same
US-12371820-B2 · Jul 29, 2025 · US
Compositions for producing cellulose-resilin and cellulose-collagen fibers
US-2025019867-A1 · Jan 16, 2025 · US
Microfluidic biomimetic fiber for cultured meat production and preparation method therefor and use thereof
US-2024360416-A1 · Oct 31, 2024 · US
Carbon fibre precursors
US-12054616-B2 · Aug 6, 2024 · US
Biomimetic chemocatalytic cascades of degradable polymers
US-11958031-B2 · Apr 16, 2024 · US
Hydrogel-forming multicomponent fiber
US-11898274-B2 · Feb 13, 2024 · US
Fibres, a process for producing such fibres and a wound dressing incorporating them
US-11878083-B2 · Jan 23, 2024 · US
Friction transmission belt and production method therefor
US-11796034-B2 · Oct 24, 2023 · US
Bionic fiber adsorptive material with multi-adsorption sites and preparation method and use thereof
US-11738329-B2 · Aug 29, 2023 · US
Treated kraft pulp compositions and methods of making the same
US-2023142284-A1 · May 11, 2023 · US
Composite fiber
US-2023017656-A1 · Jan 19, 2023 · US
Natural polymer-based fibrous elements comprising a surfactant and methods for making same
US-2022403558-A1 · Dec 22, 2022 · US
Lyocell fibers and methods of producing the same
US-2022380941-A1 · Dec 1, 2022 · US
Cellulose filament process
US-11414786-B2 · Aug 16, 2022 · US
Methods and systems for producing beaded polymeric fibers with advanced thermoregulating properties
US-2022251731-A1 · Aug 11, 2022 · US
Bionic fiber adsorptive material with multi-adsorption sites and preparation method and use thereof
US-2022241752-A1 · Aug 4, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D01F8/02?
- CPC D01F8/02 is the Cooperative Patent Classification code for “from cellulose, cellulose derivatives, or proteins.”
- How many patents are filed under CPC D01F8/02 (from cellulose, cellulose derivatives, or proteins)?
- Our database includes 65 publications tagged with this CPC code.
- Is patent activity under CPC D01F8/02 growing?
- Publication counts under this code: 5 in 2024 vs 10 in 2025 (latest complete years).