Systems, Devices and Methods for Input and Output Pressure Management of Air Breathing Engine Reformers
US-2024017993-A1 · Jan 18, 2024 · US
Catalytic purification
Catalytic purification · 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 | C01B2203/0435 |
| Official title | Catalytic purification |
| Display label | Catalytic purification |
| Total patents | 93 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 12 |
| 2017 | 14 |
| 2018 | 7 |
| 2019 | 8 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 10 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Integrated methods for chemical synthesis
US-10597294-B2 · Mar 24, 2020 · US
Mixed-conductor enhanced composite and core-shell oxides for cyclic redox production of fuels and chemicals
US-10486143-B2 · Nov 26, 2019 · US
Method and installation for obtaining hydrogen
US-2019247781-A1 · Aug 15, 2019 · US
Conditioned syngas composition, method of making same and method of processing same to produce fuels and/or fischer-tropsch products
US-2019210873-A1 · Jul 11, 2019 · US
Method of producing sulfur-depleted syngas
US-2019210874-A1 · Jul 11, 2019 · US
Unconditioned syngas composition and method of cleaning up same for fischer-tropsch processing
US-10280081-B2 · May 7, 2019 · US
Gas purifier
US-10245554-B2 · Apr 2, 2019 · US
Method for converting biomass into fischer-tropsch products with carbon dioxide recycling
US-10214418-B2 · Feb 26, 2019 · US
Unconditioned syngas composition and method of cleaning up same for fischer-tropsch processing
US-2019010050-A1 · Jan 10, 2019 · US
Process for purifying synthesis gas by washing with aqueous solutions of amines
US-10118824-B2 · Nov 6, 2018 · US
Method for syngas clean-up of semi-volatile organic compounds with solids removal
US-10065858-B2 · Sep 4, 2018 · US
Method for syngas clean-up of semi-volatile organic compounds with carbonyl sulfide removal
US-10011483-B2 · Jul 3, 2018 · US
Method for syngas clean-up of semi-volatile organic compounds with metal removal
US-10011482-B2 · Jul 3, 2018 · US
Method for converting biomass into fischer-tropsch products with carbon dioxide recycling
US-2018050909-A1 · Feb 22, 2018 · US
Method of suppressing metal contamination of synthesis gas production apparatus
US-9884998-B2 · Feb 6, 2018 · US
Hydrogen quality differentiation at refueling station
US-9856142-B2 · Jan 2, 2018 · US
System for syngas clean-up of semi-volatile organic compounds
US-9845240-B2 · Dec 19, 2017 · US
Gas Purifier
US-2017333841-A1 · Nov 23, 2017 · US
System for syngas clean-up
US-9783417-B2 · Oct 10, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B2203/0435?
- CPC C01B2203/0435 is the Cooperative Patent Classification code for “Catalytic purification.”
- How many patents are filed under CPC C01B2203/0435 (Catalytic purification)?
- Our database includes 93 publications tagged with this CPC code.
- Is patent activity under CPC C01B2203/0435 growing?
- Publication counts under this code: 10 in 2024 vs 7 in 2025 (latest complete years).