Organic resin-covered surface-treated metal sheet
US-2019368048-A1 · Dec 5, 2019 · US
Treatment of aluminium or alloys based thereon
Treatment of aluminium or alloys based thereon · 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 | C23C22/56 |
| Official title | Treatment of aluminium or alloys based thereon |
| Display label | Treatment of aluminium or alloys based thereon |
| Total patents | 159 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 8 |
| 2017 | 1 |
| 2018 | 22 |
| 2019 | 24 |
| 2020 | 17 |
| 2021 | 10 |
| 2022 | 16 |
| 2023 | 22 |
| 2024 | 14 |
| 2025 | 14 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods of preparing 7xxx aluminum alloys for adhesive bonding, and products relating to the same
US-2019330750-A1 · Oct 31, 2019 · US
Surface-treated metal sheet and organic resin-covered surface-treated metal sheet
US-10457832-B2 · Oct 29, 2019 · US
Sealing Composition
US-2019316261-A1 · Oct 17, 2019 · US
Multifunctional cerium-based nanomaterials and methods for producing the same
US-10434498-B2 · Oct 8, 2019 · US
Reaction products of catechol compounds and functionalized co-reactant compounds for metal pretreatment applications
US-2019301023-A1 · Oct 3, 2019 · US
Treatment of conversion-coated metal substrates with preformed reaction products of catechol compounds and functionalized co-reactant compounds
US-2019292402-A1 · Sep 26, 2019 · US
Use of preformed reaction products of catechol compounds and functionalized co-reactant compounds to reduce oxidation of bare metal surfaces
US-2019292665-A1 · Sep 26, 2019 · US
Organic resin-covered surface-treated metal sheet
US-10422040-B2 · Sep 24, 2019 · US
Positive electrode, non-aqueous electrolyte secondary battery, and method of producing positive electrode
US-2019280305-A1 · Sep 12, 2019 · US
Blackened optical component without fluorescence
US-2019195794-A1 · Jun 27, 2019 · US
Aqueous solution for metal surface treatment, treatment method for metal surface, and joined body
US-2019177854-A1 · Jun 13, 2019 · US
Systems and Methods for Treating a Metal Substrate
US-2019169752-A1 · Jun 6, 2019 · US
Aluminum alloy conductive member for transport device
US-2019136384-A1 · May 9, 2019 · US
Electromagnetic shielding material
US-10272646-B2 · Apr 30, 2019 · US
Reactive quenching solutions and methods of use
US-2019119798-A1 · Apr 25, 2019 · US
Aluminum alloy material and production method therefor, and aluminum alloy cladding material using aluminum alloy material
US-2019112691-A1 · Apr 18, 2019 · US
Continuous coil pretreatment process
US-2019085463-A1 · Mar 21, 2019 · US
Low reflection articles and related systems and methods
US-2019033490-A1 · Jan 31, 2019 · US
Pretreatment compositions, coated aluminum alloys, and methods of making the same
US-2019032225-A1 · Jan 31, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23C22/56?
- CPC C23C22/56 is the Cooperative Patent Classification code for “Treatment of aluminium or alloys based thereon.”
- How many patents are filed under CPC C23C22/56 (Treatment of aluminium or alloys based thereon)?
- Our database includes 159 publications tagged with this CPC code.
- Is patent activity under CPC C23C22/56 growing?
- Publication counts under this code: 14 in 2024 vs 14 in 2025 (latest complete years).