Crude oil demulsifier compositions and uses thereof
US-12435280-B2 · Oct 7, 2025 · US
by addition of chemical compounds for dispersing an oily layer on water
by addition of chemical compounds for dispersing an oily layer on water · 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 | C02F1/682 |
| Official title | {by addition of chemical compounds for dispersing an oily layer on water} |
| Display label | by addition of chemical compounds for dispersing an oily layer on water |
| Total patents | 54 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 11 |
| 2023 | 2 |
| 2024 | 6 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods for mitigating produced water cooler fouling
US-2025262567-A1 · Aug 21, 2025 · US
Polyethylenimine as a new emulsion breaker for quench water systems
US-2025161843-A1 · May 22, 2025 · US
Compositions and methods of use for enhanced soil removal and fat, oil, and grease reduction in drain products and discharges into water sources
US-2025154036-A1 · May 15, 2025 · US
Composition and method for improved desalter brine quality
US-2025084321-A1 · Mar 13, 2025 · US
Polyethylenimine as a new emulsion breaker for quench water systems
US-12233357-B2 · Feb 25, 2025 · US
Composition and method for improved desalter brine quality
US-12180427-B2 · Dec 31, 2024 · US
Methods of using ionic liquids as paraffin inhibitors, pour point depressants and cold flow improvers
US-12180428-B2 · Dec 31, 2024 · US
Method for treating production water from the enhanced oil recovery of oil by hydrocyclone in the presence of additives of tetrakis(hydroxymethyl)phosphonium salt type
US-12037543-B2 · Jul 16, 2024 · US
Stable percarboxylic acid compositions and uses thereof
US-2024182328-A1 · Jun 6, 2024 · US
Stable percarboxylic acid compositions and uses thereof
US-11939241-B2 · Mar 26, 2024 · US
Carbon disulfide-modified amine additives for separation of oil from water
US-11912594-B2 · Feb 27, 2024 · US
Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity
US-2023339781-A1 · Oct 26, 2023 · US
Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity
US-11718540-B2 · Aug 8, 2023 · US
Crude oil demulsifier compositions and uses thereof
US-2022364000-A1 · Nov 17, 2022 · US
Methods of using ionic liquids as corrosion inhibitors
US-11485915-B2 · Nov 1, 2022 · US
Process for separating a hydrophibic material from a mixture of hydrophobic and hydrophilic material
US-11471791-B2 · Oct 18, 2022 · US
Composition and method for improved desalter brine quality
US-2022282167-A1 · Sep 8, 2022 · US
Methods of Using Ionic Liquids as Demulsifiers
US-2022169929-A1 · Jun 2, 2022 · US
Methods of using ionic liquids as corrosion inhibitors
US-2022098494-A1 · Mar 31, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F1/682?
- CPC C02F1/682 is the Cooperative Patent Classification code for “by addition of chemical compounds for dispersing an oily layer on water.”
- How many patents are filed under CPC C02F1/682 (by addition of chemical compounds for dispersing an oily layer on water)?
- Our database includes 54 publications tagged with this CPC code.
- Is patent activity under CPC C02F1/682 growing?
- Publication counts under this code: 6 in 2024 vs 6 in 2025 (latest complete years).