Multilayer composition and process of making
US-2018355486-A1 · Dec 13, 2018 · US
Roughening, e.g. by etching
Roughening, e.g. by etching · 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 | C23C18/22 |
| Official title | Roughening, e.g. by etching |
| Display label | Roughening, e.g. by etching |
| Total patents | 122 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 24 |
| 2017 | 12 |
| 2018 | 14 |
| 2019 | 18 |
| 2020 | 9 |
| 2021 | 7 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 8 |
| 2025 | 9 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pretreatment agent for electroless plating, and pretreatment and production of printed wiring board using same
US-10138558-B2 · Nov 27, 2018 · US
In-situ balancing of plated polymers
US-10049318-B2 · Aug 14, 2018 · US
Liquid jet head, method of manufacturing liquid jet head, and liquid jet device
US-10046563-B2 · Aug 14, 2018 · US
Metal plated wear and moisture resistant composite actuator
US-10017860-B2 · Jul 10, 2018 · US
Polymer articles, ink compositions, and methods for selectively metalizing polymer articles
US-10017859-B2 · Jul 10, 2018 · US
Shielding coating for selective metallization
US-9970114-B2 · May 15, 2018 · US
Resin product and method for manufacturing a resin product
US-2018097169-A1 · Apr 5, 2018 · US
Shielding coating for selective metallization
US-2018073149-A1 · Mar 15, 2018 · US
Inhibitor Composition for Racks When Using Chrome Free Etches in a Plating on Plastics Process
US-2018044813-A1 · Feb 15, 2018 · US
Pretreatment agent for electroless plating, and pretreatment and production of printed wiring board using same
US-2018023197-A1 · Jan 25, 2018 · US
Buoyancy device for very deep water and production method thereof
US-2018022422-A1 · Jan 25, 2018 · US
Electrolytic Generation of Manganese (III) Ions in Strong Sulfuric Acid Using an Improved Anode
US-2018016685-A1 · Jan 18, 2018 · US
Method for manufacturing a metal component, metal component, and turbocharger
US-2017370003-A1 · Dec 28, 2017 · US
Shielding coating for selective metallization
US-9850578-B1 · Dec 26, 2017 · US
Methods for making multilayer tubular articles
US-2017362714-A1 · Dec 21, 2017 · US
Plating method
US-2017342565-A1 · Nov 30, 2017 · US
Partially plated plastic product
US-2017306518-A1 · Oct 26, 2017 · US
Shielding coating for selective metallization
US-9797043-B1 · Oct 24, 2017 · US
Metalized plastic articles and methods thereof
US-9770887-B2 · Sep 26, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23C18/22?
- CPC C23C18/22 is the Cooperative Patent Classification code for “Roughening, e.g. by etching.”
- How many patents are filed under CPC C23C18/22 (Roughening, e.g. by etching)?
- Our database includes 122 publications tagged with this CPC code.
- Is patent activity under CPC C23C18/22 growing?
- Publication counts under this code: 8 in 2024 vs 9 in 2025 (latest complete years).