Microbial-resistant dispersant
US-2025361410-A1 · Nov 27, 2025 · US
This page is not indexed by search engines while we improve data quality.
Esters of polycarboxylic acids
Esters of polycarboxylic acids · 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 | C09K23/36 |
| Official title | Esters of polycarboxylic acids |
| Display label | Esters of polycarboxylic acids |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cerium hydroxy carbonate composition
US-2025277120-A1 · Sep 4, 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
Method for producing semiconducting single-walled carbon nanotube dispersion
US-12006218-B2 · Jun 11, 2024 · US
Porous polyurethane for consolidation of material in subterranean formations
US-2024182773-A1 · Jun 6, 2024 · US
Porous polyurethane for consolidation of material in subterranean formations
US-11939517-B2 · Mar 26, 2024 · US
Thickened organic liquid compositions with polymeric rheology modifiers
US-11678661-B2 · Jun 20, 2023 · US
Stable, liquid emulsifiers on the basis of citrate esters and their use
US-2023101832-A1 · Mar 30, 2023 · US
Method for producing semiconducting single-walled carbon nanotube dispersion
US-2022402761-A1 · Dec 22, 2022 · US
Terpene ester surfactants
US-2022380678-A1 · Dec 1, 2022 · US
Porous polyurethane for consolidation of material in subterranean formations
US-2022348814-A1 · Nov 3, 2022 · US
Thickened organic liquid compositions with polymeric rheology modifiers
US-2022267493-A1 · Aug 25, 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
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
Method for production of an emulsion
US-9352289-B2 · May 31, 2016 · US
Emulsifier composition
US-2016073663-A1 · Mar 17, 2016 · US