Core-shell structured catalysts for hydrogen production from natural gas
US-2025387782-A1 · Dec 25, 2025 · US
the reaction being a methanation reaction
the reaction being a methanation 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 | C01B3/586 |
| Official title | {the reaction being a methanation reaction} |
| Display label | the reaction being a methanation reaction |
| Total patents | 43 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 8 |
| 2017 | 4 |
| 2018 | 8 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Revamp process for an ammonia and methanol co-production plant
US-2025230115-A1 · Jul 17, 2025 · US
Chemical synthesis plant
US-2025091862-A1 · Mar 20, 2025 · US
Chemical synthesis plant
US-12180072-B2 · Dec 31, 2024 · US
Chemical synthesis plant
US-2023234842-A1 · Jul 27, 2023 · US
Chemical synthesis plant
US-11649163-B2 · May 16, 2023 · US
Process for producing a synthesis gas
US-11554954-B2 · Jan 17, 2023 · US
Methanation of anode exhaust gas to enhance carbon dioxide capture
US-11508981-B2 · Nov 22, 2022 · US
Chemical synthesis plant
US-2022081289-A1 · Mar 17, 2022 · US
Method for avoiding voc and hap emissions from synthesis gas-processing systems
US-2021261424-A1 · Aug 26, 2021 · US
Methanation of anode exhaust gas to enhance carbon dioxide capture
US-2021218044-A1 · Jul 15, 2021 · US
Hydrogen production reactor including carbon monoxide removing unit
US-10899612-B2 · Jan 26, 2021 · US
Process for purification of a synthesis gas containing hydrogen and impurities
US-10816264-B2 · Oct 27, 2020 · US
Rhenium-doped catalyst and a method for the selective methanation of carbon monoxide
US-10780422-B2 · Sep 22, 2020 · US
Process for producing ammonia synthesis gas
US-10464818-B2 · Nov 5, 2019 · US
Process for producing a synthesis gas
US-2019152776-A1 · May 23, 2019 · US
Production of ammonia make-up syngas with cryogenic purification
US-10273155-B2 · Apr 30, 2019 · US
Low temperature sulfur tolerant tar removal with concomitant synthesis gas conditioning
US-10232356-B2 · Mar 19, 2019 · US
Method of loading a vessel
US-10099922-B2 · Oct 16, 2018 · US
Integrated process for the production of formaldehyde-stabilized urea
US-10077235-B2 · Sep 18, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B3/586?
- CPC C01B3/586 is the Cooperative Patent Classification code for “the reaction being a methanation reaction.”
- How many patents are filed under CPC C01B3/586 (the reaction being a methanation reaction)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC C01B3/586 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).