Process design enabling carbon byproduct separation for sustainable hydrogen production in methane pyrolysis process
US-2025313457-A1 · Oct 9, 2025 · US
Channel black {; Preparation thereof (separation or recovery C09C1/487)} · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C09C1/52 |
| Official title | Channel black {; Preparation thereof (separation or recovery C09C1/487)} |
| Display label | Channel black {; Preparation thereof (separation or recovery C09C1/487)} |
| Total patents | 9 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2021 | 1 |
| 2023 | 1 |
| 2025 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025313457-A1 · Oct 9, 2025 · US
US-12368167-B2 · Jul 22, 2025 · US
US-2025115767-A1 · Apr 10, 2025 · US
US-2023187644-A1 · Jun 15, 2023 · US
US-10927261-B2 · Feb 23, 2021 · US
US-2018319992-A1 · Nov 8, 2018 · US
US-10106696-B2 · Oct 23, 2018 · US
US-2017137650-A1 · May 18, 2017 · US
US-9175150-B2 · Nov 3, 2015 · US