Low-CTE, low-puffing needle coke
US-12304819-B2 · May 20, 2025 · US
by extraction with selective solvents (preparation of hydrocarbon oils from tar oils C10G21/00) · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C10C1/18 |
| Official title | by extraction with selective solvents (preparation of hydrocarbon oils from tar oils C10G21/00) |
| Display label | by extraction with selective solvents (preparation of hydrocarbon oils from tar oils C10G21/00) |
| Total patents | 16 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2018 | 1 |
| 2020 | 1 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12304819-B2 · May 20, 2025 · US
US-12152198-B2 · Nov 26, 2024 · US
US-2023383189-A1 · Nov 30, 2023 · US
US-11725146-B2 · Aug 15, 2023 · US
US-2022363995-A1 · Nov 17, 2022 · US
US-11434429-B2 · Sep 6, 2022 · US
US-2022267151-A1 · Aug 25, 2022 · US
US-2020299588-A1 · Sep 24, 2020 · US
US-9994775-B2 · Jun 12, 2018 · US
US-9162952-B2 · Oct 20, 2015 · US
US-2015136654-A1 · May 21, 2015 · US
US-2015141708-A1 · May 21, 2015 · US
US-2015136660-A1 · May 21, 2015 · US
US-2015136580-A1 · May 21, 2015 · US
US-2015075065-A1 · Mar 19, 2015 · US
US-2015076031-A1 · Mar 19, 2015 · US