Molten salt device resistant to corrosion
US-2025361433-A1 · Nov 27, 2025 · US
Refractory metal-containing compounds
Refractory metal-containing compounds · 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 | C23F11/185 |
| Official title | {Refractory metal-containing compounds} |
| Display label | Refractory metal-containing compounds |
| Total patents | 66 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 7 |
| 2025 | 8 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compositions for inhibiting corrosion
US-12441894-B2 · Oct 14, 2025 · US
Hybrid sealing for anodized metal
US-12404590-B2 · Sep 2, 2025 · US
Corrosion inhibitor for systems with mixed metallurgy
US-12203176-B2 · Jan 21, 2025 · US
Coating for Aluminum Alloy Aerostructures
US-2025003345-A1 · Jan 2, 2025 · US
Solid coolant concentrates and production thereof
US-12180413-B2 · Dec 31, 2024 · US
Surface treatment composition for ternary hot dip galvanized steel sheet, surface-treated ternary hot dip galvanized steel sheet using same and preparation method thereof
US-2024417860-A1 · Dec 19, 2024 · US
Solid coolant concentrates and production thereof
US-2024409801-A1 · Dec 12, 2024 · US
Azole compounds as corrosion inhibitors
US-2024301563-A1 · Sep 12, 2024 · US
Compositions for inhibiting corrosion
US-2024287319-A1 · Aug 29, 2024 · US
Compositions for inhibiting corrosion
US-11987726-B2 · May 21, 2024 · US
Hybrid anchor rail for aircraft floor
US-11945569-B2 · Apr 2, 2024 · US
Method of Inhibiting Corrosion of a Metal in an Industrial Water System
US-2023416128-A1 · Dec 28, 2023 · US
Corrosion control using organic filmers and passivators in systems for processing nitrogen-containing solutions
US-11746294-B2 · Sep 5, 2023 · US
Galvanized steel sheet
US-2023193479-A1 · Jun 22, 2023 · US
Compositions for inhibiting corrosion
US-2023159765-A1 · May 25, 2023 · US
Compositions for inhibiting corrosion
US-11560483-B2 · Jan 24, 2023 · US
Corrosion control using organic filmers and passivators in systems for processing nitrogen-containing solutions
US-2022389315-A1 · Dec 8, 2022 · US
Corrosion inhibition treatment for aggressive fluids
US-11479864-B2 · Oct 25, 2022 · US
Hybrid anchor rail for aircraft floor
US-2022242551-A1 · Aug 4, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23F11/185?
- CPC C23F11/185 is the Cooperative Patent Classification code for “Refractory metal-containing compounds.”
- How many patents are filed under CPC C23F11/185 (Refractory metal-containing compounds)?
- Our database includes 66 publications tagged with this CPC code.
- Is patent activity under CPC C23F11/185 growing?
- Publication counts under this code: 7 in 2024 vs 8 in 2025 (latest complete years).