Controlling mesophase softening point and production yield by varying solvent SBN via solvent deasphalting
US-12590251-B2 · Mar 31, 2026 · US
from petroleum pitch
from petroleum pitch · 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 | D01F9/155 |
| Official title | from petroleum pitch |
| Display label | from petroleum pitch |
| Total patents | 41 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 1 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 8 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Steam cracking process for converting crude oils to pitch compositions spinnable into carbon articles
US-12570905-B2 · Mar 10, 2026 · US
Processes for making mesophase pitch
US-2025346815-A1 · Nov 13, 2025 · US
Processes for producing mesophase pitch
US-12454648-B2 · Oct 28, 2025 · US
Pitch compositions for spinning into carbon articles and methods relating thereto
US-12435450-B2 · Oct 7, 2025 · US
Method of preparing heavy oil-derived anisotropic pitch for carbon fiber based on mesogen separation
US-12281262-B2 · Apr 22, 2025 · US
Processes for converting hydrocarbon feedstock to pitch compositions suitable for the manufacture of carbon articles
US-2025019591-A1 · Jan 16, 2025 · US
Methods to produce carbon fibers from carbon pitches
US-12031243-B2 · Jul 9, 2024 · US
High performance (mesophase) carbon fiber feedstock production
US-2024217823-A1 · Jul 4, 2024 · US
Isotropic Pitch Compositions from Aromatic Feedstocks, Methods of Making the Same, and Uses Thereof
US-2024209208-A1 · Jun 27, 2024 · US
Multi-stage supercritical water upgrading of asphaltenes for the production of high-quality mesophase pitch
US-2024158697-A1 · May 16, 2024 · US
Extruder systems and processes for production of petroleum coke and mesophase pitch
US-11959022-B2 · Apr 16, 2024 · US
Processes for Producing Mesophase Pitch
US-2024059976-A1 · Feb 22, 2024 · US
Steam Cracking Process For Converting Crude Oils To Pitch Compositions Spinnable Into Carbon Articles
US-2024018418-A1 · Jan 18, 2024 · US
Pitch Compositions For Spinning Into Carbon Articles And Methods Relating Thereto
US-2024003063-A1 · Jan 4, 2024 · US
Pitch Compositions For Spinning Into Carbon Articles And Methods Relating Thereto
US-2023416949-A1 · Dec 28, 2023 · US
Production of carbon fiber from asphaltenes
US-2023357026-A1 · Nov 9, 2023 · US
Production of carbon fiber from asphaltenes
US-11731878-B2 · Aug 22, 2023 · US
Extruder systems and processes for production of petroleum coke and mesophase pitch
US-2023159828-A1 · May 25, 2023 · US
Production of carbon fiber from asphaltenes
US-2023020290-A1 · Jan 19, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D01F9/155?
- CPC D01F9/155 is the Cooperative Patent Classification code for “from petroleum pitch.”
- How many patents are filed under CPC D01F9/155 (from petroleum pitch)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC D01F9/155 growing?
- Publication counts under this code: 8 in 2024 vs 5 in 2025 (latest complete years).