Separations for methane pyrolysis
US-2025206608-A1 · Jun 26, 2025 · US
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Carbon-based materials
Carbon-based materials · 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 | C01B2210/0017 |
| Official title | Carbon-based materials |
| Display label | Carbon-based materials |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 2 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus and Method for Nitrogen Generation for Methanol Powered Maritime Vehicle
US-2025197218-A1 · Jun 19, 2025 · US
Method for preparing hydrogen gas
US-12275639-B2 · Apr 15, 2025 · US
Process for removal of sulfides from carbon monoxide rich gas stream at ambient temperatures
US-12195341-B2 · Jan 14, 2025 · US
Process for separation of hydrogen and oxygen
US-11850546-B2 · Dec 26, 2023 · US
Method for preparing hydrogen gas
US-2023286800-A1 · Sep 14, 2023 · US
Process for separation of hydrogen and oxygen
US-2022152548-A1 · May 19, 2022 · US
Process for separation of hydrogen and oxygen
US-11285428-B2 · Mar 29, 2022 · US
Process for removal of sulfides from carbon monoxide rich gas stream at ambient temperatures
US-2021300766-A1 · Sep 30, 2021 · US
Refrigerating and freezing device
US-10890369-B2 · Jan 12, 2021 · US
Process for separation of hydrogen and oxygen
US-2020353403-A1 · Nov 12, 2020 · US
Neon recovering/purifying system and neon recovering/purifying method
US-10703631-B2 · Jul 7, 2020 · US
Dip-conduit purification apparatus and method of purifying a gas
US-2020101412-A1 · Apr 2, 2020 · US
Refrigerating and freezing device
US-2019145691-A1 · May 16, 2019 · US
Xenon collection method and system
US-10226731-B2 · Mar 12, 2019 · US
Neon recovering/purifying system and neon recovering/purifying method
US-2018354795-A1 · Dec 13, 2018 · US
Xenon Collection Method and System
US-2018333671-A1 · Nov 22, 2018 · US
Xenon collection method and system
US-10005018-B2 · Jun 26, 2018 · US
Xenon Collection Method and System
US-2018065078-A1 · Mar 8, 2018 · US