Preparation method for large crystal region high crystallinity carbonaceous fiber
US-2024410085-A1 · Dec 12, 2024 · US
from lignin
from lignin · 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 | D01F9/17 |
| Official title | from lignin |
| Display label | from lignin |
| Total patents | 69 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 8 |
| 2017 | 7 |
| 2018 | 10 |
| 2019 | 6 |
| 2020 | 9 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 7 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Conversion of Organic Material to Nanocarbon Structures via Microwave Plasma Pyrolysis
US-2024287711-A1 · Aug 29, 2024 · US
Conversion of Organic Material to Doped Nanocarbon Structures via Microwave Plasma Pyrolysis
US-2024286907-A1 · Aug 29, 2024 · US
Carbon fibre precursors
US-12054616-B2 · Aug 6, 2024 · US
Improvements relating to electrochemical sensors
US-2024218416-A1 · Jul 4, 2024 · US
Method to produce high-quality carbon fiber using lignin
US-2024141560-A1 · May 2, 2024 · US
Lignin Fractionation and Fabrication for Quality Carbon Fiber
US-2024052530-A1 · Feb 15, 2024 · US
Lignin fractionation and fabrication for quality carbon fiber
US-11840776-B2 · Dec 12, 2023 · US
Method of producing carbon fibers and carbon fiber composites from plant derived lignin and its blends
US-11512173-B2 · Nov 29, 2022 · US
Improvements relating to carbon fibre processing
US-2022195631-A1 · Jun 23, 2022 · US
Activated carbon fiber sheet for motor vehicle canister
US-2022161229-A1 · May 26, 2022 · US
Process for producing highly carbonaceous materials and the highly carbonaceous material obtained
US-11214523-B2 · Jan 4, 2022 · US
Process for producing alkoxylated polyphenols
US-11066524-B2 · Jul 20, 2021 · US
Process for the manufacture of a shaped body
US-10968540-B2 · Apr 6, 2021 · US
Thermally reactive thermoplastic intermediate product and method of manufacturing thereof
US-10941297-B2 · Mar 9, 2021 · US
Method of producing lignin with reduced amount of odorous substances
US-10882879-B2 · Jan 5, 2021 · US
Lignin Fractionation and Fabrication for Quality Carbon Fiber
US-2020407884-A1 · Dec 31, 2020 · US
Modification enzymatique de la lignine pour sa solubilisation et applications
US-2020407388-A1 · Dec 31, 2020 · US
Method of producing lignin with reduced amount of odorous substances
US-2020377539-A1 · Dec 3, 2020 · US
Process for producing carbon fibres from biosourced precursors and the carbon fibres obtained
US-10844521-B2 · Nov 24, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D01F9/17?
- CPC D01F9/17 is the Cooperative Patent Classification code for “from lignin.”
- How many patents are filed under CPC D01F9/17 (from lignin)?
- Our database includes 69 publications tagged with this CPC code.
- Is patent activity under CPC D01F9/17 growing?
- Publication counts under this code: 7 in 2024 vs 8 in 2025 (latest complete years).