Corrosion resistant coating systems
US-12503776-B2 · Dec 23, 2025 · US
Oxygen-containing compounds
Oxygen-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 | C23F11/12 |
| Official title | Oxygen-containing compounds |
| Display label | Oxygen-containing compounds |
| Total patents | 64 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 8 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 9 |
| 2024 | 8 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Inhibitor compounds for selective passivation of surfaces
US-2025109502-A1 · Apr 3, 2025 · US
Synergistic corrosion inhibitor blends
US-2025034447-A1 · Jan 30, 2025 · US
Synergistic corrosion inhibitor blends
US-12139662-B2 · Nov 12, 2024 · US
Novel coolant with low electrical conductivity
US-2024309257-A1 · Sep 19, 2024 · US
Oxyalkylated surfactants as corrosion inhibitors
US-2024301562-A1 · Sep 12, 2024 · US
Solid Molded Sulfite-Based Oxygen Scavenger Composition and Method of Manufacutre
US-2024295031-A1 · Sep 5, 2024 · US
Corrosion resistant coating systems
US-2024218523-A1 · Jul 4, 2024 · US
Oxyalkylated surfactants as corrosion inhibitors
US-12018388-B2 · Jun 25, 2024 · US
Plant composite corrosion inhibitor for oil field and preparation method thereof
US-11939681-B1 · Mar 26, 2024 · US
Corrosion resistant coating systems
US-11932949-B2 · Mar 19, 2024 · US
Method of Inhibiting Corrosion of a Metal in an Industrial Water System
US-2023416128-A1 · Dec 28, 2023 · US
Corrosion control for water systems using passivators and a hydroxycarboxylic acid
US-2023383415-A1 · Nov 30, 2023 · US
Method of inhibiting tarnish formation and corrosion
US-2023304180-A1 · Sep 28, 2023 · US
Method of inhibiting tarnish formation and corrosion
US-2023304181-A1 · Sep 28, 2023 · US
Synergistic corrosion inhibitor blends
US-2023295486-A1 · Sep 21, 2023 · US
Rust inhibitor, rust inhibitor composition, coating formation material, coating, and metal component
US-11725143-B2 · Aug 15, 2023 · US
Reducing the risk of corrosion in pipelines
US-11655929-B2 · May 23, 2023 · US
Reducing the risk of corrosion in pipelines
US-11655930-B2 · May 23, 2023 · US
Corrosion resistant coating systems
US-2023094396-A1 · Mar 30, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23F11/12?
- CPC C23F11/12 is the Cooperative Patent Classification code for “Oxygen-containing compounds.”
- How many patents are filed under CPC C23F11/12 (Oxygen-containing compounds)?
- Our database includes 64 publications tagged with this CPC code.
- Is patent activity under CPC C23F11/12 growing?
- Publication counts under this code: 8 in 2024 vs 6 in 2025 (latest complete years).