Compositions with reduced dye-transfer properties
US-2018044612-A1 · Feb 15, 2018 · US
Phosphonates, phosphinates or phosphonites
Phosphonates, phosphinates or phosphonites · 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 | C11D3/361 |
| Official title | {Phosphonates, phosphinates or phosphonites} |
| Display label | Phosphonates, phosphinates or phosphonites |
| Total patents | 285 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 19 |
| 2016 | 19 |
| 2017 | 20 |
| 2018 | 20 |
| 2019 | 17 |
| 2020 | 24 |
| 2021 | 35 |
| 2022 | 30 |
| 2023 | 33 |
| 2024 | 28 |
| 2025 | 30 |
| 2026 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Corrosion-protection system for treating metal surfaces
US-9890462-B2 · Feb 13, 2018 · US
Automatic dishwashing detergent composition
US-2017362545-A1 · Dec 21, 2017 · US
Automatic dishwashing detergent composition
US-2017362546-A1 · Dec 21, 2017 · US
Automatic dishwashing detergent composition
US-2017362538-A1 · Dec 21, 2017 · US
Viscoelastic amphoteric surfactant based cleaning compositions
US-2017335241-A1 · Nov 23, 2017 · US
Detergent composition
US-2017321160-A1 · Nov 9, 2017 · US
Detergent composition
US-2017321162-A1 · Nov 9, 2017 · US
Stable antifoaming compositions
US-2017306260-A1 · Oct 26, 2017 · US
Detergent composition comprising a polymer that performs both a cleaning and rinsing function
US-9796947-B2 · Oct 24, 2017 · US
Process For Preparing Ethylenedialkylphosphinic Acids, Esters And Salts And Use Thereof
US-2017267836-A1 · Sep 21, 2017 · US
Viscoelastic amphoteric surfactant based cleaning compositions
US-9765284-B2 · Sep 19, 2017 · US
Acidic amphoteric viscoelastic surfactant based cleaning compositions
US-9765285-B2 · Sep 19, 2017 · US
Detergents
US-9752100-B2 · Sep 5, 2017 · US
Cleaning and disinfecting composition
US-2017216471-A1 · Aug 3, 2017 · US
Pre-fill wafer cleaning formulation
US-2017207091-A9 · Jul 20, 2017 · US
Aqueous and semi-aqueous cleaners for the removal of post-etch residues with tungsten and cobalt compatibility
US-2017200601-A1 · Jul 13, 2017 · US
Pre-fill wafer cleaning formulation
US-9691622-B2 · Jun 27, 2017 · US
Cleaning and disinfecting composition
US-2017128605-A1 · May 11, 2017 · US
Dishwashing Composition
US-2017073619-A1 · Mar 16, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C11D3/361?
- CPC C11D3/361 is the Cooperative Patent Classification code for “Phosphonates, phosphinates or phosphonites.”
- How many patents are filed under CPC C11D3/361 (Phosphonates, phosphinates or phosphonites)?
- Our database includes 285 publications tagged with this CPC code.
- Is patent activity under CPC C11D3/361 growing?
- Publication counts under this code: 28 in 2024 vs 30 in 2025 (latest complete years).