Cleaning compositions employing extended chain anionic surfactants
US-2023183605-A1 · Jun 15, 2023 · US
Ethers of polyoxyalkylenes with amino alcohols; Condensation products of epoxyalkanes with amines
Ethers of polyoxyalkylenes with amino alcohols; Condensation products of epoxyalkanes with amines · 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 | C11D1/44 |
| Official title | Ethers of polyoxyalkylenes with amino alcohols; Condensation products of epoxyalkanes with amines |
| Display label | Ethers of polyoxyalkylenes with amino alcohols; Condensation products of epoxyalkanes with amines |
| Total patents | 68 |
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 | 9 |
| 2016 | 4 |
| 2017 | 12 |
| 2018 | 8 |
| 2019 | 5 |
| 2020 | 7 |
| 2021 | 6 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cleaning compositions employing extended chain anionic surfactants
US-11591546-B2 · Feb 28, 2023 · US
Use of tertiary amines and alkyl alcohol blends to control surfactant composition rheology
US-11414625-B2 · Aug 16, 2022 · US
Soil removal on cotton via treatment in the rinse step for enhanced cleaning in the subsequent wash
US-2022195341-A1 · Jun 23, 2022 · US
Dispersants made from isocyanates and amines
US-2022135727-A1 · May 5, 2022 · US
Liquid detergent composition for hard surfaces
US-11306274-B2 · Apr 19, 2022 · US
Semiconductor substrate cleaning agent
US-11279905-B2 · Mar 22, 2022 · US
Compositions containing an etheramine
US-11274267-B2 · Mar 15, 2022 · US
Compositions containing an etheramine
US-11268047-B2 · Mar 8, 2022 · US
Semiconductor aqueous composition and use of the same
US-2021403829-A1 · Dec 30, 2021 · US
Water-soluble polyvinyl alcohol film, related methods, and related articles
US-11193092-B2 · Dec 7, 2021 · US
Disinfectant cleaning compositions and methods of use thereof
US-2021251225-A1 · Aug 19, 2021 · US
Antimicrobial cleaning composition comprising an N-methyl glucamine
US-11046921-B2 · Jun 29, 2021 · US
Use Of Tertiary Amines And Alkyl Alcohol Blends To Control Surfactant Composition Rheology
US-2021171863-A1 · Jun 10, 2021 · US
Semiconductor substrate cleaning agent
US-2021130749-A1 · May 6, 2021 · US
Composition for cleaning gasoline engine fuel delivery systems, air intake systems, and combustion chambers
US-10781411-B2 · Sep 22, 2020 · US
Compositions containing an etheramine
US-2020190434-A1 · Jun 18, 2020 · US
Compositions containing an etheramine
US-2020193079-A1 · Jun 18, 2020 · US
Polyetheramines based on 1,3-dialcohols
US-10633328-B2 · Apr 28, 2020 · US
Emulsion-type water-based detergent for oily sludge, preparation method and use method thereof
US-2020123478-A1 · Apr 23, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C11D1/44?
- CPC C11D1/44 is the Cooperative Patent Classification code for “Ethers of polyoxyalkylenes with amino alcohols; Condensation products of epoxyalkanes with amines.”
- How many patents are filed under CPC C11D1/44 (Ethers of polyoxyalkylenes with amino alcohols; Condensation products of epoxyalkanes with amines)?
- Our database includes 68 publications tagged with this CPC code.
- Is patent activity under CPC C11D1/44 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).