Gasification process employing acid gas recycle
US-12421465-B2 · Sep 23, 2025 · US
to methane
to methane · 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 | C10J2300/1662 |
| Official title | to methane |
| Display label | to methane |
| Total patents | 44 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Production of ammonia, methanol, and synthesis products from one or more gasification products
US-2025263294-A1 · Aug 21, 2025 · US
Production of ammonia, methanol, and synthesis products from one or more gasification products
US-12325634-B2 · Jun 10, 2025 · US
Two-stage syngas production with separate char and product gas inputs into the second stage
US-12203040-B2 · Jan 21, 2025 · US
Method for green energy production, effluent waste stream recycling, and negative output emissions
US-2024387846-A1 · Nov 21, 2024 · US
Low carbon intensity hydrogen from methane
US-2024375950-A1 · Nov 14, 2024 · US
Process and plant for producing methane or methanol from a solid renewable feedstock
US-2024286982-A1 · Aug 29, 2024 · US
Two-stage syngas production with separate char and product gas inputs into the second stage
US-2024059991-A1 · Feb 22, 2024 · US
Two-stage syngas production with separate char and product gas inputs into the second stage
US-11760949-B2 · Sep 19, 2023 · US
Methane and methane-carbon dioxide activated synergystic biomass gasification for hydrogen rich syngas production
US-11674098-B2 · Jun 13, 2023 · US
Method and process arrangement for producing solid product and use
US-2023124435-A1 · Apr 20, 2023 · US
Two-stage syngas production with separate char and product gas inputs into the second stage
US-2023071045-A1 · Mar 9, 2023 · US
Apparatus and method for syngas bio-methanation
US-11549088-B2 · Jan 10, 2023 · US
Production of ammonia, methanol, and synthesis products from one or more gasification products
US-2022340419-A1 · Oct 27, 2022 · US
Two-stage syngas production with separate char and product gas inputs into the second stage
US-11466223-B2 · Oct 11, 2022 · US
Two-stage syngas production with separate char and product gas inputs into the second stage
US-2022073829-A1 · Mar 10, 2022 · US
Integrated gasification and electrolysis process
US-11267767-B2 · Mar 8, 2022 · US
System and method for power production including methanation
US-11208323-B2 · Dec 28, 2021 · US
Integrated gasification and electrolysis process
US-2021309586-A1 · Oct 7, 2021 · US
Gasification process employing acid gas recycle
US-2021284927-A1 · Sep 16, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10J2300/1662?
- CPC C10J2300/1662 is the Cooperative Patent Classification code for “to methane.”
- How many patents are filed under CPC C10J2300/1662 (to methane)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC C10J2300/1662 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).