Water with switchable ionic strength
US-2019315637-A1 · Oct 17, 2019 · US
Osmotic agents; Draw solutions
Osmotic agents; Draw solutions · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D61/005 |
| Official title | {Osmotic agents; Draw solutions} |
| Display label | Osmotic agents; Draw solutions |
| Total patents | 148 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 18 |
| 2017 | 11 |
| 2018 | 16 |
| 2019 | 8 |
| 2020 | 14 |
| 2021 | 13 |
| 2022 | 18 |
| 2023 | 13 |
| 2024 | 12 |
| 2025 | 14 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods and systems for treating liquids using switchable solvents
US-10363336-B2 · Jul 30, 2019 · US
A ternary sewage treatment method integrating microbial fuel cells with anaerobic acidification and forward osmosis membrane
US-2019119136-A1 · Apr 25, 2019 · US
Forward osmosis draw material
US-2019039021-A1 · Feb 7, 2019 · US
A hydrophilic and compressible aerogel as draw agent for purity water in forward osmosis
US-2019001271-A1 · Jan 3, 2019 · US
Multi-branched cationic phosphonium salt, forward osmosis extract employing the same and forward osmosis seawater desalination process
US-2018346496-A1 · Dec 6, 2018 · US
Draw solutions and methods of treating an aqueous liquid
US-10099178-B2 · Oct 16, 2018 · US
Forward osmosis process
US-10087090-B2 · Oct 2, 2018 · US
Draw solution for forward osmosis process
US-10087089-B2 · Oct 2, 2018 · US
Functionalized magnetic nanoparticles and a method for preparation thereof
US-2018268972-A1 · Sep 20, 2018 · US
Forward osmosis process
US-2018257959-A1 · Sep 13, 2018 · US
Water treatment system and working medium therefor
US-2018250635-A1 · Sep 6, 2018 · US
Forward osmosis-type fresh water composite system
US-10053378-B2 · Aug 21, 2018 · US
Ballast water treatment apparatus and method for ship using forward osmosis process
US-10040533-B2 · Aug 7, 2018 · US
Ionic liquid for forward osmosis process and forward osmosis process
US-10016725-B2 · Jul 10, 2018 · US
Metal oxide ceramic nanomaterials and methods of making and using same
US-2018170812-A1 · Jun 21, 2018 · US
Ionic liquid for forward osmosis process and forward osmosis process
US-2018056241-A1 · Mar 1, 2018 · US
Regenerable draw solute for osmotically driven processes
US-2018015414-A1 · Jan 18, 2018 · US
A draw solute for a forward osmosis process
US-2018008933-A1 · Jan 11, 2018 · US
Filtration device for rapid separation of biological particles from complex matrices
US-9861939-B2 · Jan 9, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D61/005?
- CPC B01D61/005 is the Cooperative Patent Classification code for “Osmotic agents; Draw solutions.”
- How many patents are filed under CPC B01D61/005 (Osmotic agents; Draw solutions)?
- Our database includes 148 publications tagged with this CPC code.
- Is patent activity under CPC B01D61/005 growing?
- Publication counts under this code: 12 in 2024 vs 14 in 2025 (latest complete years).