using alkaline aqueous solutions with pH greater than 8 · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C23C22/60 |
| Official title | using alkaline aqueous solutions with pH greater than 8 |
| Display label | using alkaline aqueous solutions with pH greater than 8 |
| Total patents | 108 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 14 |
| 2017 | 14 |
| 2018 | 13 |
| 2019 | 13 |
| 2020 | 6 |
| 2021 | 11 |
| 2022 | 4 |
| 2023 | 6 |
| 2024 | 5 |
| 2025 | 4 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2019242018-A1 · Aug 8, 2019 · US
US-10227686-B2 · Mar 12, 2019 · US
US-2018347053-A1 · Dec 6, 2018 · US
US-2018274105-A1 · Sep 27, 2018 · US
US-10053753-B2 · Aug 21, 2018 · US
US-2018216236-A1 · Aug 2, 2018 · US
US-2018202050-A1 · Jul 19, 2018 · US
US-9932677-B2 · Apr 3, 2018 · US
US-9914838-B2 · Mar 13, 2018 · US
US-2018057946-A1 · Mar 1, 2018 · US
US-2018057773-A1 · Mar 1, 2018 · US
US-9903037-B2 · Feb 27, 2018 · US
US-2018043393-A1 · Feb 15, 2018 · US
US-9890461-B2 · Feb 13, 2018 · US
US-9878333-B2 · Jan 30, 2018 · US
US-2017361571-A1 · Dec 21, 2017 · US
US-2017356875-A1 · Dec 14, 2017 · US
US-9809884-B2 · Nov 7, 2017 · US
US-2017314138-A1 · Nov 2, 2017 · US
US-2017306497-A1 · Oct 26, 2017 · US
Answers are generated from the same data shown on this page.