Removal agent for fine-removal of co in hydrogen, and preparation method therefor and use thereof
US-2025205675-A1 · Jun 26, 2025 · US
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including a catalytic reaction
including a catalytic reaction · 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 | C01B3/54 |
| Official title | including a catalytic reaction |
| Display label | including a catalytic reaction |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 2 |
| 2021 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydrogen purification/storage apparatus and method using liquid organic hydrogen carrier
US-12134559-B2 · Nov 5, 2024 · US
Process and plant for producing pure hydrogen
US-11702336-B2 · Jul 18, 2023 · US
Process for producing a synthesis gas
US-11554954-B2 · Jan 17, 2023 · US
Hydrogen purification/storage apparatus and method using liquid organic hydrogen carrier
US-2021188630-A1 · Jun 24, 2021 · US
Process and plant for producing pure hydrogen
US-2021155478-A1 · May 27, 2021 · US
Liquid hydrogen storage material and method of storing hydrogen using the same
US-10435296-B2 · Oct 8, 2019 · US
Process for producing a synthesis gas
US-2019152776-A1 · May 23, 2019 · US
Integrated process for the production of formaldehyde-stabilized urea
US-10077235-B2 · Sep 18, 2018 · US
Liquid hydrogen storage material and method of storing hydrogen using the same
US-2018093889-A1 · Apr 5, 2018 · US
Integrated process for the production of formaldehyde-stabilized urea
US-2018072658-A1 · Mar 15, 2018 · US
Method of suppressing metal contamination of synthesis gas production apparatus
US-9884998-B2 · Feb 6, 2018 · US
Method of suppressing metal contamination of synthesis gas production apparatus
US-9725656-B2 · Aug 8, 2017 · US
Method of suppressing metal contamination of synthesis gas production apparatus
US-2016272895-A1 · Sep 22, 2016 · US
Fuel cell system including an ammonia remover and method of operating the same
US-9023542-B2 · May 5, 2015 · US