Surfactant composition, composition for emulsion polymerization, method of producing polymer emulsion, and polymer emulsion
US-2026028459-A1 · Jan 29, 2026 · US
Sulfonates or sulfuric acid ester salts derived from polyhydric alcohols or amino alcohols or derivatives thereof (sulfated or sulfonated fatty oils C09K23/08)
Sulfonates or sulfuric acid ester salts derived from polyhydric alcohols or amino alcohols or derivatives thereof (sulfated or sulfonated fatty oils C09K23/08) · 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 | C09K23/04 |
| Official title | Sulfonates or sulfuric acid ester salts derived from polyhydric alcohols or amino alcohols or derivatives thereof (sulfated or sulfonated fatty oils C09K23/08) |
| Display label | Sulfonates or sulfuric acid ester salts derived from polyhydric alcohols or amino alcohols or derivatives thereof (sulfated or sulfonated fatty oils C09K23/08) |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aqueous emulsifier package with anionic surfactant for fuel emulsion
US-12534678-B2 · Jan 27, 2026 · US
Reactive emulsifier-containing composition and method of storing reactive emulsifier
US-2025197540-A1 · Jun 19, 2025 · US
Dispersion of metal sulfates in acidic leaching solution
US-2025034454-A1 · Jan 30, 2025 · US
Surfactant composition for foaming sand
US-12152189-B2 · Nov 26, 2024 · US
Aqueous dispersions of paraffin inhibitors
US-2024352371-A1 · Oct 24, 2024 · US
Surfactant composition
US-12018230-B2 · Jun 25, 2024 · US
Surfactant composition for foam sand
US-2024181522-A1 · Jun 6, 2024 · US
Treatment of subterranean formations
US-11993747-B1 · May 28, 2024 · US
Aqueous emulsifier package with anionic surfactant for fuel emulsion
US-2023416627-A1 · Dec 28, 2023 · US
Dispersing agent
US-11753541-B2 · Sep 12, 2023 · US
Surfactant composition
US-2023121566-A1 · Apr 20, 2023 · US
Surfactant composition for foaming sand
US-2022228067-A1 · Jul 21, 2022 · US
Reactive surfactant composition for emulsion polymerization
US-11345764-B2 · May 31, 2022 · US
Dispersing agent
US-2022081558-A1 · Mar 17, 2022 · US
Hydrocarbon-containing carboxylic acid, hydrocarbon-containing sulfonic acid, hydrocarbon-containing sulfuric acid ester or salt thereof, and surfactant
US-11198670-B2 · Dec 14, 2021 · US
Reactive surfactant composition for emulsion polymerization
US-2020339711-A1 · Oct 29, 2020 · US
Hydrocarbon-containing carboxylic acid, hydrocarbon-containing sulfonic acid, hydrocarbon-containing sulfuric acid ester or salt thereof, and surfactant
US-2020024222-A1 · Jan 23, 2020 · US
Reactive surfactant composition for emulsion polymerization
US-2019119410-A1 · Apr 25, 2019 · US
Enhanced Solubilization Using A Combination of Extended Chain Surfactants
US-2019010422-A1 · Jan 10, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K23/04?
- CPC C09K23/04 is the Cooperative Patent Classification code for “Sulfonates or sulfuric acid ester salts derived from polyhydric alcohols or amino alcohols or derivatives thereof (sulfated or sulfonated fatty oils C09K23/08).”
- How many patents are filed under CPC C09K23/04 (Sulfonates or sulfuric acid ester salts derived from polyhydric alcohols or amino alcohols or derivatives thereof (sulfated or sulfonated fatty oils C09K23/08))?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC C09K23/04 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).