Controlling mesophase softening point and production yield by varying solvent SBN via solvent deasphalting
US-12590251-B2 · Mar 31, 2026 · US
by selective extraction
by selective extraction · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C10C3/08 |
| Official title | by selective extraction |
| Display label | by selective extraction |
| Total patents | 59 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 7 |
| 2026 | 3 |
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
High value products derived from coal-based feedstocks
US-12528993-B2 · Jan 20, 2026 · US
Processes for producing mesophase pitch
US-12454648-B2 · Oct 28, 2025 · US
Process scheme for maximum heavy oil conversion with stage asphaltene rejection
US-12410372-B2 · Sep 9, 2025 · US
Method for producing petroleum pitch and petroleum pitch
US-2025207034-A1 · Jun 26, 2025 · US
Hydrogen sulfide scavengers
US-12305123-B2 · May 20, 2025 · US
Method of preparing heavy oil-derived anisotropic pitch for carbon fiber based on mesogen separation
US-12281262-B2 · Apr 22, 2025 · US
Bitumen Upgrading and Carbon Product Production
US-2025066675-A1 · Feb 27, 2025 · US
Processes for converting hydrocarbon feedstock to pitch compositions suitable for the manufacture of carbon articles
US-2025019591-A1 · Jan 16, 2025 · US
Mesophase pitch for carbon fiber production using supercritical carbon dioxide
US-12152198-B2 · Nov 26, 2024 · US
Methods of making a hybrid crude oil using petroleum-based waste stream products
US-2024376315-A1 · Nov 14, 2024 · US
High performance (mesophase) carbon fiber feedstock production
US-2024217823-A1 · Jul 4, 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
Mesophase pitch for carbon fiber production using supercritical carbon dioxide
US-2023383189-A1 · Nov 30, 2023 · US
Mesophase pitch for carbon fiber production using supercritical carbon dioxide
US-11725146-B2 · Aug 15, 2023 · US
Process scheme for maximum heavy oil conversion with stage asphaltene rejection
US-2023193145-A1 · Jun 22, 2023 · US
Compositions and methods for improved handling and combustion of petroleum pitch
US-11655419-B2 · May 23, 2023 · US
Method for manufacturing high yield mesophase pitch and high yield mesophase pitch manufactured therefrom
US-2023002680-A1 · Jan 5, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10C3/08?
- CPC C10C3/08 is the Cooperative Patent Classification code for “by selective extraction.”
- How many patents are filed under CPC C10C3/08 (by selective extraction)?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC C10C3/08 growing?
- Publication counts under this code: 5 in 2024 vs 7 in 2025 (latest complete years).