Photocatalyst composite, method of preparing the same and method of producing hydrogen
US-2026027558-A1 · Jan 29, 2026 · US
Binary compounds of nitrogen with carbon · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B21/0605 |
| Official title | {Binary compounds of nitrogen with carbon} |
| Display label | Binary compounds of nitrogen with carbon |
| Total patents | 61 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 7 |
| 2018 | 5 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 9 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026027558-A1 · Jan 29, 2026 · US
US-12479723-B1 · Nov 25, 2025 · US
US-12453964-B1 · Oct 28, 2025 · US
US-12421127-B1 · Sep 23, 2025 · US
US-12420268-B1 · Sep 23, 2025 · US
US-2025257485-A1 · Aug 14, 2025 · US
US-2025223163-A1 · Jul 10, 2025 · US
US-12227412-B2 · Feb 18, 2025 · US
US-2025026641-A1 · Jan 23, 2025 · US
US-2025006926-A1 · Jan 2, 2025 · US
US-2024391773-A1 · Nov 28, 2024 · US
US-12098464-B2 · Sep 24, 2024 · US
US-11891305-B2 · Feb 6, 2024 · US
US-2024024222-A1 · Jan 25, 2024 · US
US-2024009648-A1 · Jan 11, 2024 · US
US-2023094962-A1 · Mar 30, 2023 · US
US-2023049990-A1 · Feb 16, 2023 · US
US-2022233421-A1 · Jul 28, 2022 · US
US-11299395-B2 · Apr 12, 2022 · US
US-2022073349-A1 · Mar 10, 2022 · US
Answers are generated from the same data shown on this page.