Photothermal catalytic method for production of hydrogen peroxide without sacrificial reagents on basis of porphyrin-based supermolecule
US-12565426-B2 · Mar 3, 2026 · US
Separation; Purification; Concentration
Separation; Purification; Concentration · 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 | C01B15/013 |
| Official title | Separation; Purification; Concentration |
| Display label | Separation; Purification; Concentration |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 6 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for purifying a composition comprising hydrogen peroxide
US-2025352950-A1 · Nov 20, 2025 · US
Calcination apparatus and processes with improved co2 capture
US-2025313508-A1 · Oct 9, 2025 · US
Hydrogen peroxide manufacturing process and manufacturing system based on photochemical reaction
US-2025136445-A1 · May 1, 2025 · US
Method for purifying hydrogen peroxide
US-12258268-B2 · Mar 25, 2025 · US
Novel Process for the Production of Hydrogen Peroxide
US-2025059037-A1 · Feb 20, 2025 · US
Purification method and system for aqueous hydrogen peroxide solution
US-2025042737-A1 · Feb 6, 2025 · US
Membrane purification of hydrogen peroxide
US-2024416284-A1 · Dec 19, 2024 · US
Valve trays in extraction columns
US-2024299864-A1 · Sep 12, 2024 · US
Method for producing purified aqueous hydrogen peroxide solution
US-2024279060-A1 · Aug 22, 2024 · US
Device and process for producing hydrogen peroxide by an anthraquinone process
US-11912571-B2 · Feb 27, 2024 · US
Method for Purifying Hydrogen Peroxide
US-2023242400-A1 · Aug 3, 2023 · US
Method for purifying an aqueous hydrogen peroxide solution
US-2023107919-A1 · Apr 6, 2023 · US
Aqueous hydrogen peroxide purification method and purification system
US-11524896-B2 · Dec 13, 2022 · US
Photothermal Catalytic Method for Production of Hydrogen Peroxide without Sacrificial Reagents on Basis of Porphyrin-based Supermolecule
US-2022340423-A1 · Oct 27, 2022 · US
Treatment of high peroxide waste streams
US-11332392-B2 · May 17, 2022 · US
Method and system for producing purified aqueous hydrogen peroxide solution
US-11220430-B2 · Jan 11, 2022 · US
Device and process for producing hydrogen peroxide by an anthraquinone process
US-2021371281-A1 · Dec 2, 2021 · US
Production device and production method of electronic grade hydrogen peroxide aqueous solution
US-2021009417-A1 · Jan 14, 2021 · US
Hydrogen peroxide purification process and hydrogen peroxide
US-10822235-B2 · Nov 3, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B15/013?
- CPC C01B15/013 is the Cooperative Patent Classification code for “Separation; Purification; Concentration.”
- How many patents are filed under CPC C01B15/013 (Separation; Purification; Concentration)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC C01B15/013 growing?
- Publication counts under this code: 4 in 2024 vs 6 in 2025 (latest complete years).