Epoxidized oil-based surfactant and compositions comprising the same
US-12588676-B2 · Mar 31, 2026 · US
Esters of carboxylic acids with amino alcohols; Esters of amino carboxylic acids with alcohols
Esters of carboxylic acids with amino alcohols; Esters of amino carboxylic acids with alcohols · 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 | C11D1/46 |
| Official title | Esters of carboxylic acids with amino alcohols; Esters of amino carboxylic acids with alcohols |
| Display label | Esters of carboxylic acids with amino alcohols; Esters of amino carboxylic acids with alcohols |
| Total patents | 56 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 4 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 10 |
| 2022 | 7 |
| 2023 | 11 |
| 2024 | 8 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fabric softening composition comprising esterquat, cationic acrylic polymer, and germicidal cationic surfactant
US-12473514-B2 · Nov 18, 2025 · US
Compositions, methods and uses
US-2025270473-A1 · Aug 28, 2025 · US
Amino acid surfactants
US-2025257029-A1 · Aug 14, 2025 · US
Branched amino acid surfactants
US-12351547-B2 · Jul 8, 2025 · US
Surfactants for cleaning products
US-2024376412-A1 · Nov 14, 2024 · US
Branched amino acid surfactants for cleaning products
US-12134748-B2 · Nov 5, 2024 · US
Branched amino acid surfactants for electronics products
US-12071578-B2 · Aug 27, 2024 · US
Surfactants for cleaning products
US-12071600-B2 · Aug 27, 2024 · US
Fabric care composition comprising hydrophobically modified polyalkyleneimine as dye fixative polymer
US-12024691-B2 · Jul 2, 2024 · US
Branched amino acid surfactants
US-2024174602-A1 · May 30, 2024 · US
Alkoxylated esteramines and salts thereof
US-11981619-B2 · May 14, 2024 · US
Branched amino acid surfactants
US-11897834-B2 · Feb 13, 2024 · US
Liquid hand dishwashing cleaning composition
US-2023416646-A1 · Dec 28, 2023 · US
Liquid hand dishwashing cleaning composition
US-2023416644-A1 · Dec 28, 2023 · US
Organic sulfonic acid salts of amino acid esters and process for their preparation
US-11780802-B2 · Oct 10, 2023 · US
Laundry composition
US-2023235256-A1 · Jul 27, 2023 · US
Alkoxylated esteramines and salts thereof
US-11673854-B2 · Jun 13, 2023 · US
Fabric Softening Composition Comprising Germicidal Cationic Surfactants
US-2023140936-A1 · May 11, 2023 · US
Solvent application in bottle wash using amidine based formulas
US-11629312-B2 · Apr 18, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C11D1/46?
- CPC C11D1/46 is the Cooperative Patent Classification code for “Esters of carboxylic acids with amino alcohols; Esters of amino carboxylic acids with alcohols.”
- How many patents are filed under CPC C11D1/46 (Esters of carboxylic acids with amino alcohols; Esters of amino carboxylic acids with alcohols)?
- Our database includes 56 publications tagged with this CPC code.
- Is patent activity under CPC C11D1/46 growing?
- Publication counts under this code: 8 in 2024 vs 4 in 2025 (latest complete years).