Composite copper foil
US-11781236-B2 · Oct 10, 2023 · US
Deposition of black chromium {, e.g. hexavalent chromium, CrVI}
Deposition of black chromium {, e.g. hexavalent chromium, CrVI} · 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 | C25D3/08 |
| Official title | Deposition of black chromium {, e.g. hexavalent chromium, CrVI} |
| Display label | Deposition of black chromium {, e.g. hexavalent chromium, CrVI} |
| Total patents | 73 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 6 |
| 2020 | 19 |
| 2021 | 9 |
| 2022 | 8 |
| 2023 | 6 |
| 2024 | 6 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Copper-clad laminate plate and printed wiring board
US-2023276571-A1 · Aug 31, 2023 · US
Piston ring with hard chromium layer and improved running-in behaviour
US-2023147997-A1 · May 11, 2023 · US
Method of manufacturing vehicle part and vehicle part manufactured thereby
US-11618964-B2 · Apr 4, 2023 · US
Turbocharger compressor wheels having a bi-layered coating and methods for manufacturing the same
US-11566631-B2 · Jan 31, 2023 · US
Surface-treated copper foil and copper clad laminate
US-2023014153-A1 · Jan 19, 2023 · US
Surface-treated copper foil and copper clad laminate
US-11540389-B1 · Dec 27, 2022 · US
Surface-treated copper foil and copper clad laminate
US-11519092-B1 · Dec 6, 2022 · US
Cylinder device, metal sliding component, and method for producing metal sliding component
US-2022356590-A1 · Nov 10, 2022 · US
Electrodeposited copper foil and copper clad laminate
US-11492718-B1 · Nov 8, 2022 · US
Turbocharger compressor wheels having a bi-layered coating and methods for manufacutring the same
US-2022307516-A1 · Sep 29, 2022 · US
Lead member
US-2022190447-A1 · Jun 16, 2022 · US
Electrodeposited copper foil and electrode, and lithium-ion secondary battery comprising the same
US-11362337-B2 · Jun 14, 2022 · US
Electrodeposited copper foil, current collector, electrode, and lithium ion secondary battery comprising the same
US-11283080-B2 · Mar 22, 2022 · US
Steel sheet for can making and method for manufacturing the same
US-2021324532-A1 · Oct 21, 2021 · US
Surface treated copper foil
US-11145867-B2 · Oct 12, 2021 · US
Electrodeposited copper foil and electrode, and lithium-ion secondary battery comprising the same
US-2021305580-A1 · Sep 30, 2021 · US
Ionic liquid electrolyte and method to electrodeposit metals
US-11105013-B2 · Aug 31, 2021 · US
Electrodeposited copper foil, current collector, electrode, and lithium ion secondary battery comprising the same
US-2021242467-A1 · Aug 5, 2021 · US
Method of manufacturing vehicle part and vehicle part manufactured thereby
US-2021130971-A1 · May 6, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25D3/08?
- CPC C25D3/08 is the Cooperative Patent Classification code for “Deposition of black chromium {, e.g. hexavalent chromium, CrVI}.”
- How many patents are filed under CPC C25D3/08 (Deposition of black chromium {, e.g. hexavalent chromium, CrVI})?
- Our database includes 73 publications tagged with this CPC code.
- Is patent activity under CPC C25D3/08 growing?
- Publication counts under this code: 6 in 2024 vs 6 in 2025 (latest complete years).