Selective etchant compositions and methods
US-2022363990-A1 · Nov 17, 2022 · US
Wet etching, e.g. with etchants dissolved in organic solvents · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C04B41/5353 |
| Official title | {Wet etching, e.g. with etchants dissolved in organic solvents} |
| Display label | Wet etching, e.g. with etchants dissolved in organic solvents |
| Total patents | 92 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 6 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 13 |
| 2020 | 15 |
| 2021 | 8 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 9 |
| 2025 | 11 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2022363990-A1 · Nov 17, 2022 · US
US-2021405533-A1 · Dec 30, 2021 · US
US-11131026-B2 · Sep 28, 2021 · US
US-2021253936-A1 · Aug 19, 2021 · US
US-11073764-B2 · Jul 27, 2021 · US
US-2021207017-A1 · Jul 8, 2021 · US
US-11053578-B2 · Jul 6, 2021 · US
US-2021163371-A1 · Jun 3, 2021 · US
US-2021061721-A1 · Mar 4, 2021 · US
US-10864062-B2 · Dec 15, 2020 · US
US-2020361811-A1 · Nov 19, 2020 · US
US-10822535-B2 · Nov 3, 2020 · US
US-2020325075-A1 · Oct 15, 2020 · US
US-10800972-B2 · Oct 13, 2020 · US
US-10801111-B2 · Oct 13, 2020 · US
US-10752553-B2 · Aug 25, 2020 · US
US-2020246115-A1 · Aug 6, 2020 · US
US-10669209-B2 · Jun 2, 2020 · US
US-2020165508-A1 · May 28, 2020 · US
US-2020140345-A1 · May 7, 2020 · US
Answers are generated from the same data shown on this page.