Preparation method for large crystal region high crystallinity carbonaceous fiber
US-2024410085-A1 · Dec 12, 2024 · US
from pitch or distillation residues
from pitch or distillation residues · 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 | D01F9/145 |
| Official title | from pitch or distillation residues |
| Display label | from pitch or distillation residues |
| Total patents | 70 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 7 |
| 2018 | 6 |
| 2019 | 9 |
| 2020 | 9 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 10 |
| 2024 | 8 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Carbon fiber aggregate and method for producing same, and electrode mixture layer for nonaqueous-electrolyte secondary battery
US-12134838-B2 · Nov 5, 2024 · US
Pitch-based carbon fiber, method of producing same, and fiber-reinforced plastic
US-2024200233-A1 · Jun 20, 2024 · US
Methods For Enhancing The Formation Of Mesophase In Pitch Compositions Derived From Hydrocarbon Feedstocks
US-2024068132-A1 · Feb 29, 2024 · US
Pitch Compositions For Spinning Into Carbon Articles And Methods Relating Thereto
US-2023416949-A1 · Dec 28, 2023 · US
Mesophase pitch for carbon fiber production using supercritical carbon dioxide
US-2023383189-A1 · Nov 30, 2023 · US
Carbon-based fiber sheet and lithium-sulfur battery including same
US-11811049-B2 · Nov 7, 2023 · US
Resin-attached fiber and active material layer, electrode, and non-aqueous electrolyte secondary battery using the same
US-2023327124-A1 · Oct 12, 2023 · US
Mesophase pitch for carbon fiber production using supercritical carbon dioxide
US-11725146-B2 · Aug 15, 2023 · US
Graphene-based fiber and graphene-based carbon fiber and method of manufacturing the same
US-11655564-B2 · May 23, 2023 · US
Plastic-derived mesophasic carbon
US-2023146205-A1 · May 11, 2023 · US
Pitch-based ultrafine carbon fibers and pitch-based ultrafine carbon fiber dispersion
US-2023086954-A1 · Mar 23, 2023 · US
Method for manufacturing carbon fiber and carbon fiber composite bottle
US-2023042724-A1 · Feb 9, 2023 · US
Ultra-fine fibrous carbon for non-aqueous electrolyte secondary battery, ultra-fine fibrous carbon aggregate, composite, and electrode active material layer
US-11545669-B2 · Jan 3, 2023 · US
Fibrous carbon, method for manufacturing same, electrode mixture layer for non-aqueous-electrolyte secondary cell, electrode for non-aqueous-electrolyte secondary cell, and non-aqueous-electrolyte secondary cell
US-11532822-B2 · Dec 20, 2022 · US
Process for preparing carbon fibers
US-11519103-B2 · Dec 6, 2022 · US
Mesophase pitch for carbon fiber production using supercritical carbon dioxide
US-2022363995-A1 · Nov 17, 2022 · US
Mesophase pitch for carbon fiber production using supercritical carbon dioxide
US-11434429-B2 · Sep 6, 2022 · US
Carbon fiber aggregate and method for manufacturing same, electrode mixture layer for non-aqueous-electrolyte secondary cell, electrode for non-aqueous-electrolyte secondary cell, and non-aqueous-electrolyte secondary cell
US-11387458-B2 · Jul 12, 2022 · US
Method of preparing heavy oil-derived anisotropic pitch for carbon fiber based on mesogen separation
US-2022135884-A1 · May 5, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D01F9/145?
- CPC D01F9/145 is the Cooperative Patent Classification code for “from pitch or distillation residues.”
- How many patents are filed under CPC D01F9/145 (from pitch or distillation residues)?
- Our database includes 70 publications tagged with this CPC code.
- Is patent activity under CPC D01F9/145 growing?
- Publication counts under this code: 8 in 2024 vs 6 in 2025 (latest complete years).