Low-viscosity multi-type emulsion composition
US-2025360065-A1 · Nov 27, 2025 · US
Aminocarboxylic acids (proteins and protein hydrolysates C09K23/30)
Aminocarboxylic acids (proteins and protein hydrolysates C09K23/30) · 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 | C09K23/28 |
| Official title | Aminocarboxylic acids (proteins and protein hydrolysates C09K23/30) |
| Display label | Aminocarboxylic acids (proteins and protein hydrolysates C09K23/30) |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 7 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Siloxane derivatives of amino acids having surface-active properties
US-12459963-B2 · Nov 4, 2025 · US
Emulsifier for synthetic-based mud, process for preparation, and drilling method
US-12454639-B2 · Oct 28, 2025 · US
Amino acid surfactants
US-2025257029-A1 · Aug 14, 2025 · US
Phytol-based surfactants and methods therefor
US-12195662-B2 · Jan 14, 2025 · US
Siloxane derivatives of amino acids having surface-active properties
US-2024294556-A1 · Sep 5, 2024 · US
Composition containing decomposition product of yeast cell wall, method for producing same, and use thereof
US-2024138456-A1 · May 2, 2024 · US
Siloxane derivatives of amino acids having surface-active properties
US-11952394-B2 · Apr 9, 2024 · US
Emulsifier for synthetic-based mud, process for preparation, and drilling method
US-2023374365-A1 · Nov 23, 2023 · US
Amino acid surfactants
US-11795143-B2 · Oct 24, 2023 · US
Amino acid surfactants
US-11731937-B2 · Aug 22, 2023 · US
Phytol-based surfactants and methods therefor
US-2023128213-A1 · Apr 27, 2023 · US
Amino acid surfactants
US-2021229053-A1 · Jul 29, 2021 · US
Amino acid surfactants
US-2021230107-A1 · Jul 29, 2021 · US
Siloxane derivatives of amino acids having surface-active properties
US-2021230194-A1 · Jul 29, 2021 · US
Amino acid surfactants
US-2021230108-A1 · Jul 29, 2021 · US
Amino acid surfactants
US-2021230100-A1 · Jul 29, 2021 · US
Siloxane derivatives of amino acids having surface-active properties
US-11008348-B2 · May 18, 2021 · US
Siloxane derivatives of amino acids having surface-active properties
US-2021054002-A1 · Feb 25, 2021 · US
Aqueous solution containing n-long-chain acyl acidic amino acid and/or salt thereof, and method for producing same
US-10780167-B2 · Sep 22, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K23/28?
- CPC C09K23/28 is the Cooperative Patent Classification code for “Aminocarboxylic acids (proteins and protein hydrolysates C09K23/30).”
- How many patents are filed under CPC C09K23/28 (Aminocarboxylic acids (proteins and protein hydrolysates C09K23/30))?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC C09K23/28 growing?
- Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).