Secondary alcohol phosphate ester
US-2023331748-A1 · Oct 19, 2023 · US
Phosphates or phosphites
Phosphates or phosphites · 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 | C11D3/362 |
| Official title | {Phosphates or phosphites} |
| Display label | Phosphates or phosphites |
| Total patents | 75 |
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 | 7 |
| 2016 | 6 |
| 2017 | 6 |
| 2018 | 6 |
| 2019 | 3 |
| 2020 | 6 |
| 2021 | 10 |
| 2022 | 10 |
| 2023 | 10 |
| 2024 | 5 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composition for surface treatment, surface treatment method, and method for producing semiconductor substrate
US-2023313070-A1 · Oct 5, 2023 · US
Chemical liquid, chemical liquid container, and method for treating substrate
US-11767595-B2 · Sep 26, 2023 · US
Cleaning solution composition and cleaning method using the same
US-11732217-B2 · Aug 22, 2023 · US
Cleaning composition
US-2023109597-A1 · Apr 6, 2023 · US
Secondary alcohol phosphate ester
US-11548904-B2 · Jan 10, 2023 · US
Wet wipes with a cellulosic substrate and gentle lotion
US-2022370303-A1 · Nov 24, 2022 · US
Cleaning composition
US-2022336210-A1 · Oct 20, 2022 · US
Process solution composition for polymer treatment
US-2022298366-A1 · Sep 22, 2022 · US
Automatic Dishwashing Composition Comprising Metal Corrosion Inhibitors and Bleaches
US-2022145223-A1 · May 12, 2022 · US
Etchant Compositions
US-2022093412-A1 · Mar 24, 2022 · US
Cleaning liquid composition and cleaning method using same
US-2022056373-A1 · Feb 24, 2022 · US
Mechanism of urea/solid acid interaction under storage conditions and storage stable solid compositions comprising urea and acid
US-2022053757-A1 · Feb 24, 2022 · US
Contact lens treatment solution
US-2022041959-A1 · Feb 10, 2022 · US
Apparatuses for reducing metal residue in edge bead region from metal-containing resists
US-2022028685-A1 · Jan 27, 2022 · US
Cleaning solution composition and cleaning method using the same
US-2022025299-A1 · Jan 27, 2022 · US
Mechanism of urea/solid acid interaction under storage conditions and storage stable solid compositions comprising urea and acid
US-11191264-B2 · Dec 7, 2021 · US
Apparatuses for reducing metal residue in edge bead region from metal-containing resists
US-11187986-B2 · Nov 30, 2021 · US
Polishing compositions and methods of use thereof
US-2021301177-A1 · Sep 30, 2021 · US
Ceria removal compositions
US-11124741-B2 · Sep 21, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C11D3/362?
- CPC C11D3/362 is the Cooperative Patent Classification code for “Phosphates or phosphites.”
- How many patents are filed under CPC C11D3/362 (Phosphates or phosphites)?
- Our database includes 75 publications tagged with this CPC code.
- Is patent activity under CPC C11D3/362 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).