Water soluble shampoo container
US-2024016710-A1 · Jan 18, 2024 · US
Sulfonic acid esters
Sulfonic acid esters · 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 | C11D1/143 |
| Official title | {Sulfonic acid esters} |
| Display label | Sulfonic acid esters |
| Total patents | 461 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 33 |
| 2016 | 25 |
| 2017 | 32 |
| 2018 | 35 |
| 2019 | 46 |
| 2020 | 49 |
| 2021 | 32 |
| 2022 | 46 |
| 2023 | 55 |
| 2024 | 56 |
| 2025 | 38 |
| 2026 | 14 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Detergent compositions for cleaning in the cosmetic and pharmaceutical industry
US-2024002749-A1 · Jan 4, 2024 · US
Detergent composition comprising surfactant boosting polymers
US-9528076-B2 · Dec 27, 2016 · US
Composition comprising isosorbide monoesters and isosorbide diesters
US-2016354296-A1 · Dec 8, 2016 · US
Cleansing compositions containing stable silver
US-2016348039-A1 · Dec 1, 2016 · US
Adhesive Lavatory Treatment Composition and Dispensing Article
US-2016333560-A1 · Nov 17, 2016 · US
Method for producing internal olefin sulfonate
US-2016332961-A1 · Nov 17, 2016 · US
Detergent compositions containing a predominantly C15 alkyl branched surfactant
US-9493725-B2 · Nov 15, 2016 · US
Aqueous composition suitable for cleaning and protection comprising silica nanoparticles, copolymer of acrylamide and acrylic acid, nonionic and anionic surfactant
US-2016326462-A1 · Nov 10, 2016 · US
Free flowing aqueous lamellar gel laundry detergent liquid comprising epei
US-2016312152-A1 · Oct 27, 2016 · US
Narrow range alcohol alkoxylates and derivatives thereof
US-2016297733-A1 · Oct 13, 2016 · US
Composition containing isosorbide monoester and isosorbide diester
US-9445595-B2 · Sep 20, 2016 · US
Irritation mitigating polymers and uses therefor
US-9433571-B2 · Sep 6, 2016 · US
Cleaning compositions containing alkyl sulfate surfactants and cationic polymer for holistic improvement of sudsing profile
US-2016237381-A1 · Aug 18, 2016 · US
Cleansing composition
US-2016213594-A1 · Jul 28, 2016 · US
Fabric Softener Composition and The Use Thereof
US-2016215237-A1 · Jul 28, 2016 · US
Cleaning composition for removing oxide and method of cleaning using the cleaning composition
US-2016186100-A1 · Jun 30, 2016 · US
Low surfactant, high carbonate liquid laundry detergent compositions with improved suds profile
US-9340753-B2 · May 17, 2016 · US
Process for the preparation of lightly-branched hydrophobes and the corresponding surfactants and applications thereof
US-2016130206-A1 · May 12, 2016 · US
Detergent or cleaning compositions with improved sudsing profile
US-2016130528-A1 · May 12, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C11D1/143?
- CPC C11D1/143 is the Cooperative Patent Classification code for “Sulfonic acid esters.”
- How many patents are filed under CPC C11D1/143 (Sulfonic acid esters)?
- Our database includes 461 publications tagged with this CPC code.
- Is patent activity under CPC C11D1/143 growing?
- Publication counts under this code: 56 in 2024 vs 38 in 2025 (latest complete years).