Polyanionic surfactants and methods of making and using thereof
US-2026055314-A1 · Feb 26, 2026 · US
This page is not indexed by search engines while we improve data quality.
Sulfonates of aromatic or alkylated aromatic compounds
Sulfonates of aromatic or alkylated aromatic compounds · 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 | C09K23/12 |
| Official title | Sulfonates of aromatic or alkylated aromatic compounds |
| Display label | Sulfonates of aromatic or alkylated aromatic compounds |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 2 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multiple component dispersant for fouling control
US-2025361340-A1 · Nov 27, 2025 · US
Polyanionic surfactants and methods of making and using thereof
US-2025354063-A1 · Nov 20, 2025 · US
Surfactant formulations for aqueous foam stability at high temperature and high salinity conditions
US-12441940-B1 · Oct 14, 2025 · US
Polyanionic surfactants and methods of making and using thereof
US-12371619-B2 · Jul 29, 2025 · US
Polyanionic surfactants and methods of making and using thereof
US-12286588-B2 · Apr 29, 2025 · US
Composition and method for abating fouling by low-density inorganic, organic and inorganic-organic hybrid foulants in hydrocarbon processes
US-2025115811-A1 · Apr 10, 2025 · US
Dispersion of complex scale based on elemental sulfur in acidic water
US-2025034455-A1 · Jan 30, 2025 · US
Surfactant formulations for aqueous foam stability at high temperature and high salinity conditions
US-12129421-B2 · Oct 29, 2024 · US
Anti-freezing dispersant and manufacturing process thereof
US-12065606-B2 · Aug 20, 2024 · US
Surfactant formulations for aqueous foam stability at high temperature and high salinity conditions
US-2024084198-A1 · Mar 14, 2024 · US
Polyanionic surfactants and methods of making and using thereof
US-2023183578-A1 · Jun 15, 2023 · US
Polyanionic surfactants and methods of making and using thereof
US-2023183577-A1 · Jun 15, 2023 · US
Polyanionic surfactants and methods of making and using thereof
US-2023167353-A1 · Jun 1, 2023 · US
Anti-freezing dispersant and manufacturing process thereof
US-2022235273-A1 · Jul 28, 2022 · US
Dispersion containing metal oxide particles
US-10066087-B2 · Sep 4, 2018 · US
Compositions comprising branched sulfonated surfactants
US-2018201875-A1 · Jul 19, 2018 · US
Dispersion containing metal oxide particles
US-2017009062-A1 · Jan 12, 2017 · US