Eco-friendly hydrophobic or ultrahydrophobic coating method
US-2023081036-A1 · Mar 16, 2023 · US
for etching aluminium or alloys thereof
for etching aluminium or alloys thereof · 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 | C23F1/36 |
| Official title | for etching aluminium or alloys thereof |
| Display label | for etching aluminium or alloys thereof |
| Total patents | 87 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 3 |
| 2017 | 8 |
| 2018 | 7 |
| 2019 | 11 |
| 2020 | 5 |
| 2021 | 9 |
| 2022 | 10 |
| 2023 | 11 |
| 2024 | 9 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of selectively etching a metal component
US-2023008150-A1 · Jan 12, 2023 · US
Modified surface for condensation
US-11536520-B2 · Dec 27, 2022 · US
Method of manufacture of scroll compressors and scroll compressors manufactured thereby
US-11486394-B2 · Nov 1, 2022 · US
Method of finishing a metallic surface
US-2022298647-A1 · Sep 22, 2022 · US
Preparation method, apparatus, and device for coplanar waveguide structure, and superconducting device
US-2022285819-A1 · Sep 8, 2022 · US
Stripping of coatings Al-containing coatings
US-11377745-B2 · Jul 5, 2022 · US
Aluminum-based metal-resin composite structure, aluminum-based metal member, method for manufacturing aluminum-based metal member, and method for manufacturing aluminum-based metal-resin composite structure
US-2022097311-A1 · Mar 31, 2022 · US
Aluminum-based coating for flat steel products for press mold hardening components, and method for producing same
US-2022090250-A1 · Mar 24, 2022 · US
Aluminum alloy brazing sheet and method for manufacturing the same
US-2022040803-A1 · Feb 10, 2022 · US
Thermal runaway suppression element and the related applications
US-2022037711-A1 · Feb 3, 2022 · US
Chemical liquid and method for treating object to be treated
US-2022002622-A1 · Jan 6, 2022 · US
Fluorinated polymers for corrosion protection of metal
US-2021379621-A1 · Dec 9, 2021 · US
Multilayer plate with composite material and method for manufacturing the same
US-2021370643-A1 · Dec 2, 2021 · US
STRIPPING OF COATINGS Al-CONTAINING COATINGS
US-2021324524-A1 · Oct 21, 2021 · US
Metal-resin composite structure, metal member, and manufacturing method of metal member
US-2021308916-A1 · Oct 7, 2021 · US
Reactive quenching solutions and methods of use
US-11118253-B2 · Sep 14, 2021 · US
Method for treating surface of aluminum article
US-2021172072-A1 · Jun 10, 2021 · US
Surface pattern forming method for aluminium product
US-2021164111-A1 · Jun 3, 2021 · US
System for Treating A Metal Substrate
US-2021047737-A1 · Feb 18, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23F1/36?
- CPC C23F1/36 is the Cooperative Patent Classification code for “for etching aluminium or alloys thereof.”
- How many patents are filed under CPC C23F1/36 (for etching aluminium or alloys thereof)?
- Our database includes 87 publications tagged with this CPC code.
- Is patent activity under CPC C23F1/36 growing?
- Publication counts under this code: 9 in 2024 vs 7 in 2025 (latest complete years).