Aqueous emulsifier package with anionic surfactant for fuel emulsion
US-12534678-B2 · Jan 27, 2026 · US
Oil emulsions containing water or any other hydrophilic phase
Oil emulsions containing water or any other hydrophilic phase · 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 | C10L1/328 |
| Official title | {Oil emulsions containing water or any other hydrophilic phase} |
| Display label | Oil emulsions containing water or any other hydrophilic phase |
| Total patents | 46 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 7 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Emulsifier package with quaternary ammonium surfactant for fuel emulsion
US-2025243421-A1 · Jul 31, 2025 · US
Emulsifier package with quaternary ammonium surfactant for fuel emulsion
US-12297396-B2 · May 13, 2025 · US
Emulsifier package with a short-chained and optionally with a long-chained surfactant for fuel emulsion
US-12116541-B2 · Oct 15, 2024 · US
Emulsifier package with a branched and optionally with a propoxylated surfactant for fuel emulsion
US-12110463-B2 · Oct 8, 2024 · US
Biomass fuel slurry and method of making the same
US-12037555-B2 · Jul 16, 2024 · US
Marine fuels
US-12031099-B2 · Jul 9, 2024 · US
Oil-in-water emulsions
US-2024010942-A1 · Jan 11, 2024 · US
Emulsifier package with a branched and optionally with a propoxylated surfactant for fuel emulsion
US-2024002739-A1 · Jan 4, 2024 · US
Emulsifier package with a short-chained and optionally with a long-chained surfactant for fuel emulsion
US-2024002740-A1 · Jan 4, 2024 · US
Emulsifier package with quaternary ammonium surfactant for fuel emulsion
US-2023416628-A1 · Dec 28, 2023 · US
Aqueous emulsifier package with anionic surfactant for fuel emulsion
US-2023416627-A1 · Dec 28, 2023 · US
Emulsifier package with quaternary ammonium surfactant for fuel emulsion
US-11788024-B2 · Oct 17, 2023 · US
Marine Fuels
US-2023257670-A1 · Aug 17, 2023 · US
Compositions and methods of removing contaminants in refinery desalting
US-11718798-B2 · Aug 8, 2023 · US
Biomass fuel slurry and method of making the same
US-2023047581-A1 · Feb 16, 2023 · US
Water-hydrocarbon fuel emulsion
US-11434443-B2 · Sep 6, 2022 · US
Emulsifier package with quaternary ammonium surfactant for fuel emulsion
US-2022220401-A1 · Jul 14, 2022 · US
Water-hydrocarbon fuel emulsion
US-2022145200-A1 · May 12, 2022 · US
Oil-in-water emulsions
US-11268040-B2 · Mar 8, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10L1/328?
- CPC C10L1/328 is the Cooperative Patent Classification code for “Oil emulsions containing water or any other hydrophilic phase.”
- How many patents are filed under CPC C10L1/328 (Oil emulsions containing water or any other hydrophilic phase)?
- Our database includes 46 publications tagged with this CPC code.
- Is patent activity under CPC C10L1/328 growing?
- Publication counts under this code: 7 in 2024 vs 2 in 2025 (latest complete years).