Compositions For Removing A Photoresist From A Substrate And Uses Thereof
US-2025321491-A1 · Oct 16, 2025 · US
Nitrates; Nitrites
Nitrates; Nitrites · 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 | C11D7/105 |
| Official title | {Nitrates; Nitrites} |
| Display label | Nitrates; Nitrites |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 7 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Photoresist remover
US-12325844-B2 · Jun 10, 2025 · US
Treatment liquid and method for treating object to be treated
US-12187984-B2 · Jan 7, 2025 · US
Treatment liquid and method for treating object to be treated
US-12139693-B2 · Nov 12, 2024 · US
Cleaning composition and method of cleaning mask by using the same
US-2024288785-A1 · Aug 29, 2024 · US
Treatment liquid and method for treating object to be treated
US-2023159864-A1 · May 25, 2023 · US
Method for nickel-free phosphating metal surfaces
US-11643731-B2 · May 9, 2023 · US
Composition having suppressed alumina damage and production method for semiconductor substrate using same
US-11479744-B2 · Oct 25, 2022 · US
Photoresist Remover
US-2022333044-A1 · Oct 20, 2022 · US
Treatment liquid and method for treating object to be treated
US-2022282182-A1 · Sep 8, 2022 · US
Composition for surface treatment, method for producing the same, and surface treatment method using the same
US-11377627-B2 · Jul 5, 2022 · US
Composition for surface treatment, method for producing the same, and surface treatment method using the same
US-2021130751-A1 · May 6, 2021 · US
Near neutral pH pickle on multi-metals
US-10941496-B2 · Mar 9, 2021 · US
Composition having suppressed alumina damage and production method for semiconductor substrate using same
US-2021002591-A1 · Jan 7, 2021 · US
Improved method for nickel-free phosphating metal surfaces
US-2020199758-A1 · Jun 25, 2020 · US
Semiconductor element cleaning solution that suppresses damage to cobalt, and method for cleaning semiconductor element using same
US-10629426-B2 · Apr 21, 2020 · US
Composition for cleaning mask and method for cleaning mask using the same
US-2020017978-A1 · Jan 16, 2020 · US
Near Neutral pH Pickle on Multi-metals
US-2019345617-A1 · Nov 14, 2019 · US
Near neutral pH pickle on multi-metals
US-10443135-B1 · Oct 15, 2019 · US
Alkaline earth metal-containing cleaning solution for cleaning semiconductor element, and method for cleaning semiconductor element using same
US-10377978-B2 · Aug 13, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C11D7/105?
- CPC C11D7/105 is the Cooperative Patent Classification code for “Nitrates; Nitrites.”
- How many patents are filed under CPC C11D7/105 (Nitrates; Nitrites)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC C11D7/105 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).