Process for generation of synthesis gas by flue gas recycle
US-10150670-B2 · Dec 11, 2018 · US
Selective methanation
Selective methanation · 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 | C01B2203/0445 |
| Official title | Selective methanation |
| Display label | Selective methanation |
| Total patents | 174 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 23 |
| 2016 | 19 |
| 2017 | 12 |
| 2018 | 17 |
| 2019 | 13 |
| 2020 | 11 |
| 2021 | 17 |
| 2022 | 13 |
| 2023 | 21 |
| 2024 | 18 |
| 2025 | 9 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Additive manufacturing of three-dimensional articles
US-10130993-B2 · Nov 20, 2018 · US
Integrated process for the production of formaldehyde-stabilized urea
US-10077235-B2 · Sep 18, 2018 · US
Catalyst preparation method
US-10071366-B2 · Sep 11, 2018 · US
Process for producing ammonia synthesis gas
US-2018072580-A1 · Mar 15, 2018 · US
Process for making ammonia
US-2018002185-A1 · Jan 4, 2018 · US
A process for generation of snthesis gas by flue gas recycle
US-2017369312-A1 · Dec 28, 2017 · US
Process for producing a synthesis gas
US-2017349435-A1 · Dec 7, 2017 · US
Waste heat recovery in a chemical process and plant, particularly for the synthesis of ammonia
US-9810104-B2 · Nov 7, 2017 · US
Production of ammonia make-up syngas with cryogenic purification
US-2017253481-A1 · Sep 7, 2017 · US
System for manufacturing aromatic compound and method for manufacturing same
US-2017137345-A1 · May 18, 2017 · US
Methods and systems for making ammonia in a double ammonia converter system
US-9643856-B2 · May 9, 2017 · US
Hydrogen-purification apparatus and fuel-cell system using same
US-9614241-B2 · Apr 4, 2017 · US
Reactor
US-9597651-B2 · Mar 21, 2017 · US
System and method for hydrogenating aromatic compound
US-2017057890-A1 · Mar 2, 2017 · US
Hydrogen purifiers and hydrogen purification systems
US-2017054170-A1 · Feb 23, 2017 · US
Methods and systems for producing and processing syngas in a pressure swing adsorption unit and making ammonia therefrom
US-9561968-B2 · Feb 7, 2017 · US
Method for revamping a front-end of an ammonia plant
US-2017029282-A1 · Feb 2, 2017 · US
Catalyst preparation method
US-2016375426-A1 · Dec 29, 2016 · US
Hydrogen generator and fuel cell system
US-9527055-B2 · Dec 27, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B2203/0445?
- CPC C01B2203/0445 is the Cooperative Patent Classification code for “Selective methanation.”
- How many patents are filed under CPC C01B2203/0445 (Selective methanation)?
- Our database includes 174 publications tagged with this CPC code.
- Is patent activity under CPC C01B2203/0445 growing?
- Publication counts under this code: 18 in 2024 vs 9 in 2025 (latest complete years).