Method for Separating Water from a Mixture Containing Water and At Least One Volatile Acid and/or Basic Substance
US-2017253496-A1 · Sep 7, 2017 · US
containing oxygen
containing oxygen · 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 | C02F2101/34 |
| Official title | containing oxygen |
| Display label | containing oxygen |
| Total patents | 430 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 21 |
| 2016 | 24 |
| 2017 | 22 |
| 2018 | 33 |
| 2019 | 33 |
| 2020 | 39 |
| 2021 | 56 |
| 2022 | 45 |
| 2023 | 44 |
| 2024 | 51 |
| 2025 | 57 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bacterial additives for biological and/or chemical contaminants within water-based fluids
US-9751788-B2 · Sep 5, 2017 · US
Treatment of water with uv/chlorine advanced oxidation
US-2017240436-A1 · Aug 24, 2017 · US
Biosorbents for removal of contaminants from waste/oil sand process-affected water (ospw) and consolidation of oil sands tailings
US-2017210641-A1 · Jul 27, 2017 · US
Liquid treatment unit and liquid treatment device
US-2017210653-A1 · Jul 27, 2017 · US
Adsorbent with multiple layers
US-2017173558-A1 · Jun 22, 2017 · US
Method for removing glyphosate from a solution
US-2017174534-A1 · Jun 22, 2017 · US
Porous cyclodextrin polymeric materials and methods of making and using same
US-2017173560-A1 · Jun 22, 2017 · US
Method of treating the wastewater from isophorone production by high-pressure wet oxidation
US-2017166464-A1 · Jun 15, 2017 · US
Catalytic oxidation of aqueous organic contaminants
US-2017152166-A1 · Jun 1, 2017 · US
Porous cyclodextrin polymeric materials and methods of making and using same
US-9624314-B2 · Apr 18, 2017 · US
Water treatment
US-9617170-B2 · Apr 11, 2017 · US
Processing of aqueous waste streams to remove naphthenic acids
US-2017088447-A1 · Mar 30, 2017 · US
Starch Settling Recovery System
US-2017081426-A1 · Mar 23, 2017 · US
Process and apparatus for treating spent caustic solution
US-2017001893-A1 · Jan 5, 2017 · US
Continuous-flow photo-reactor for the photocatalytic destruction of water soluble ethers
US-2016368787-A1 · Dec 22, 2016 · US
Porous cyclodextrin polymeric materials and methods of making and using same
US-2016304630-A1 · Oct 20, 2016 · US
Materials and methods for the selective recovery of multivalent products
US-2016296926-A1 · Oct 13, 2016 · US
Method for Sludge-Reduced Electrocatalytic Reduction-Oxidation Pretreatment of Nitrotoluene Production Wastewater
US-2016257582-A1 · Sep 8, 2016 · US
Photocatalytic degradation of pharmaceutical drugs and dyes using visible active biox photocatalyst
US-9409791-B2 · Aug 9, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2101/34?
- CPC C02F2101/34 is the Cooperative Patent Classification code for “containing oxygen.”
- How many patents are filed under CPC C02F2101/34 (containing oxygen)?
- Our database includes 430 publications tagged with this CPC code.
- Is patent activity under CPC C02F2101/34 growing?
- Publication counts under this code: 51 in 2024 vs 57 in 2025 (latest complete years).