Optimized surfactant-enzyme mixtures
US-2018362891-A1 · Dec 20, 2018 · US
Sulfonation products derived from fatty acids or their derivatives, e.g. esters, amides
Sulfonation products derived from fatty acids or their derivatives, e.g. esters, amides · 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 | C11D1/28 |
| Official title | Sulfonation products derived from fatty acids or their derivatives, e.g. esters, amides |
| Display label | Sulfonation products derived from fatty acids or their derivatives, e.g. esters, amides |
| Total patents | 210 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 22 |
| 2017 | 18 |
| 2018 | 13 |
| 2019 | 16 |
| 2020 | 15 |
| 2021 | 19 |
| 2022 | 19 |
| 2023 | 19 |
| 2024 | 24 |
| 2025 | 24 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Laundry liquid composition
US-2018237730-A1 · Aug 23, 2018 · US
Laundry detergent composition
US-2018155657-A1 · Jun 7, 2018 · US
Water-soluble unit dose articles made from a combination of different films and containing household care compositions
US-2017355937-A1 · Dec 14, 2017 · US
Fatty amines, amidoamines, and their derivatives from natural oil metathesis
US-9828570-B2 · Nov 28, 2017 · US
Quaternized fatty amines, amidoamines and their derivatives from natural oil
US-9815780-B2 · Nov 14, 2017 · US
Envelope type detergent
US-2017313962-A1 · Nov 2, 2017 · US
Esteramines and derivatives from natural oil metathesis
US-9796662-B2 · Oct 24, 2017 · US
Sulfated oligohydroxycarboxylic acid esters, and use thereof
US-9790172-B2 · Oct 17, 2017 · US
Agent for treating textiles, containing at least one anionic, aromatic polyester and at least one non-ionic, aromatic polyester
US-2017292089-A1 · Oct 12, 2017 · US
Aqueous Surfactant Compositions
US-2017283741-A1 · Oct 5, 2017 · US
Cleaner composition
US-9725677-B2 · Aug 8, 2017 · US
Methods of making surfactant and cleaning compositions through microbially produced branched fatty alcohols
US-2017183695-A9 · Jun 29, 2017 · US
Fatty amides and derivatives from natural oil metathesis
US-2017158617-A1 · Jun 8, 2017 · US
Detergent Composition
US-2017107459-A1 · Apr 20, 2017 · US
Acylalkylisethionate esters and applications in consumer products
US-9598358-B2 · Mar 21, 2017 · US
Sulfonates from natural oil metathesis
US-9598359-B2 · Mar 21, 2017 · US
Imidazoline amides and derivitives from natural oil metathesis
US-9573884-B2 · Feb 21, 2017 · US
Aqueous surfactant compositions
US-2017007523-A1 · Jan 12, 2017 · US
Aqueous surfactant compositions
US-2017007520-A1 · Jan 12, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C11D1/28?
- CPC C11D1/28 is the Cooperative Patent Classification code for “Sulfonation products derived from fatty acids or their derivatives, e.g. esters, amides.”
- How many patents are filed under CPC C11D1/28 (Sulfonation products derived from fatty acids or their derivatives, e.g. esters, amides)?
- Our database includes 210 publications tagged with this CPC code.
- Is patent activity under CPC C11D1/28 growing?
- Publication counts under this code: 24 in 2024 vs 24 in 2025 (latest complete years).