Processes to Clean Tail Gas from Carbon Black Production and System and Facility for Same
US-2025367600-A1 · Dec 4, 2025 · US
by catalytic conversion of impurities to more readily removable materials
by catalytic conversion of impurities to more readily removable materials · 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 | C10K1/34 |
| Official title | by catalytic conversion of impurities to more readily removable materials |
| Display label | by catalytic conversion of impurities to more readily removable materials |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 6 |
| 2017 | 5 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gasification process employing acid gas recycle
US-12421465-B2 · Sep 23, 2025 · US
Gasification gas treatment facility and gasification gas treatment method
US-11946005-B2 · Apr 2, 2024 · US
Gas purification device
US-11760950-B2 · Sep 19, 2023 · US
Use of fermentation tail gas in integrated gasification and gas fermentation system
US-2023257667-A1 · Aug 17, 2023 · US
Use of fermentation tail gas in integrated gasification and gas fermentation system
US-11667857-B2 · Jun 6, 2023 · US
Catalyst for hydrolysis of carbonyl sulfide and method of producing same
US-11439981-B2 · Sep 13, 2022 · US
Gas purification device
US-11441087-B2 · Sep 13, 2022 · US
Ex-situ conditioning of a catalyst composition in preparation for a sulfiding treatment
US-2022258151-A1 · Aug 18, 2022 · US
Gas combustion treatment device, combustion treatment method, and gas purification system including gas combustion treatment device
US-11365882-B2 · Jun 21, 2022 · US
Method for reducing the tar content in pyrolysis gas
US-11220644-B2 · Jan 11, 2022 · US
Gasification process employing acid gas recycle
US-2021284927-A1 · Sep 16, 2021 · US
Use of fermentation tail gas in integrated gasification and gas fermentation system
US-2021284925-A1 · Sep 16, 2021 · US
Gasification gas treatment facility and gasification gas treatment method
US-2021238491-A1 · Aug 5, 2021 · US
Catalytic membrane system for converting biomass to hydrogen
US-11008524-B2 · May 18, 2021 · US
Catalyst for hydrolysis of carbonyl sulfide and method of producing same
US-2021060532-A1 · Mar 4, 2021 · US
Gas combustion treatment device, combustion treatment method, and gas purification system including gas combustion treatment device
US-2021025588-A1 · Jan 28, 2021 · US
Gas purification device
US-2021002569-A1 · Jan 7, 2021 · US
Catalyst for use in hydrolysis of carbonyl sulfide, and method of producing same
US-2020398256-A1 · Dec 24, 2020 · US
Gas purification device
US-2020399548-A1 · Dec 24, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10K1/34?
- CPC C10K1/34 is the Cooperative Patent Classification code for “by catalytic conversion of impurities to more readily removable materials.”
- How many patents are filed under CPC C10K1/34 (by catalytic conversion of impurities to more readily removable materials)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC C10K1/34 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).