Method for cleaning semiconductor substrate, method for producing processed semiconductor substrate, and stripping composition
US-12545863-B2 · Feb 10, 2026 · US
Hydrocarbons
Hydrocarbons · 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 | C11D7/24 |
| Official title | Hydrocarbons |
| Display label | Hydrocarbons |
| Total patents | 46 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2017 | 6 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 7 |
| 2024 | 3 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Treatment liquid and substrate washing method
US-12441965-B2 · Oct 14, 2025 · US
Semiconductor cleaning liquid and method for producing semiconductor cleaning liquid
US-2025171718-A1 · May 29, 2025 · US
Method for cleaning semiconductor substrate, method for producing processed semiconductor substrate, and peeling composition
US-2025153225-A1 · May 15, 2025 · US
Hydrofluorothioethers and methods of using same
US-12227721-B2 · Feb 18, 2025 · US
Washing machine and method of controlling the same
US-2024352654-A1 · Oct 24, 2024 · US
Cleaning agent composition for substrate for semiconductor devices and method for cleaning substrate for semiconductor devices using the same
US-2024150681-A1 · May 9, 2024 · US
Method of cleaning a group III-nitride single crystal substrate comprising cleaning a nitrogen-polar face with a detergent including a fluoroorganic compound
US-11859312-B2 · Jan 2, 2024 · US
Washing solution and washing method for semiconductor substrate
US-2023402275-A1 · Dec 14, 2023 · US
Method of cleaning group iii nitride single crystal substrate, and method of producing the same
US-2023313413-A1 · Oct 5, 2023 · US
Hydrochlorofluoroolefins and methods of using same
US-11773352-B2 · Oct 3, 2023 · US
Treatment liquid and substrate washing method
US-2023212485-A1 · Jul 6, 2023 · US
Method for manufacturing semiconductor substrate, method for manufacturing processed semiconductor substrate, and release composition
US-2023151307-A1 · May 18, 2023 · US
Method for cleaning semiconductor substrate, method for producing processed semiconductor substrate, and stripping composition
US-2023125907-A1 · Apr 27, 2023 · US
Method for cleaning semiconductor substrate, method for producing processed semiconductor substrate, and peeling composition
US-2023131533-A1 · Apr 27, 2023 · US
Hydrofluorothioethers and methods of using same
US-2022298454-A1 · Sep 22, 2022 · US
(Melt-) extrusion process for the preparation of alkali metal carbonate, bicarbonate and sesquicarbonate formulations using a melted functionalizing agent
US-11407648-B2 · Aug 9, 2022 · US
Hydrochlorofluoroolefins and methods of using same
US-2022056382-A1 · Feb 24, 2022 · US
Solvent composition, cleaning method, method for producing substrate with coating film, and heat transfer fluid
US-11254824-B2 · Feb 22, 2022 · US
Suctionable gel and method for eliminating a contamination contained in a surface organic layer of a solid substrate
US-11081251-B2 · Aug 3, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C11D7/24?
- CPC C11D7/24 is the Cooperative Patent Classification code for “Hydrocarbons.”
- How many patents are filed under CPC C11D7/24 (Hydrocarbons)?
- Our database includes 46 publications tagged with this CPC code.
- Is patent activity under CPC C11D7/24 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).