Organic hydrogen storage material dehydrogenation catalyst, support for the catalyst, hydrogen-storage alloy, and process for providing high purity hydrogen gas
US-12383887-B2 · Aug 12, 2025 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C01B3/0042 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing porous magnesium, porous magnesium produced thereby, and hydrogen storage material comprising hydrogen supported by porous magnesium
US-2025214833-A1 · Jul 3, 2025 · US
Integrated system and method for hydrogen purification, storage and pressurization
US-11873221-B1 · Jan 16, 2024 · US
Integrated system and method for hydrogen purification, storage and pressurization
US-2023416086-A1 · Dec 28, 2023 · US
Catalyst for dehydrogenating organic hydrogen storage raw material, carrier for catalyst, hydrogen storage alloy, and method for providing high purity hydrogen
US-2022258133-A1 · Aug 18, 2022 · US
Ultra-low-speed rotating low-strain high-filling-rate hydrogen storage alloy reaction device and technology
US-11266965-B1 · Mar 8, 2022 · US
Class of tunable gas storage and sensor materials
US-10071360-B2 · Sep 11, 2018 · US
New class of tunable gas storage and sensor materials
US-2017157590-A1 · Jun 8, 2017 · US
Class of tunable gas storage and sensor materials
US-9616376-B2 · Apr 11, 2017 · US
Tank for the storage of hydrogen in the form of metallic hydries
US-9500318-B2 · Nov 22, 2016 · US
Hydrogen storage materials
US-9126834-B2 · Sep 8, 2015 · US
Method for manufacturing a hydrogen tank with metal hydrides
US-9045334-B2 · Jun 2, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B3/0042?
- CPC C01B3/0042 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01B3/0042 (Chemistry & Metallurgy)?
- Our database includes 12 publications tagged with this CPC code.
- Is patent activity under CPC C01B3/0042 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).