Corrosion control using organic filmers and passivators in systems for processing nitrogen-containing solutions
US-2022389315-A1 · Dec 8, 2022 · US
Carboxylic acids
Carboxylic acids · 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 | C23F11/124 |
| Official title | {Carboxylic acids} |
| Display label | Carboxylic acids |
| Total patents | 75 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 10 |
| 2020 | 9 |
| 2021 | 8 |
| 2022 | 8 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 6 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Etching solution for tungsten word line recess
US-11499236-B2 · Nov 15, 2022 · US
Systems, formulations, and methods for removal of ceramic cores from turbine blades after casting
US-2022266333-A1 · Aug 25, 2022 · US
Corrosion Inhibiting Product for Closed Loop Water Systems
US-2022220380-A1 · Jul 14, 2022 · US
Corrosion control of stainless steels in water systems using tin corrosion inhibitor with a hydroxycarboxylic acid
US-2022205112-A1 · Jun 30, 2022 · US
Systems, formulations, and methods for removal of ceramic cores from turbine blades after casting
US-11370021-B2 · Jun 28, 2022 · US
2-substituted imidazole and benzimidazole corrosion inhibitors
US-11306400-B2 · Apr 19, 2022 · US
Mitigating internal corrosion of crude oil transportation pipeline
US-11286571-B2 · Mar 29, 2022 · US
Maleic anhydride homopolymer and maleic acid homopolymer and methods for preparing thereof, and non-phosphorus corrosion inhibitor and use thereof
US-11198817-B2 · Dec 14, 2021 · US
Closed loop cooling water corrosion inhibition employing polymaleates and non-borate buffers
US-2021371988-A1 · Dec 2, 2021 · US
Tetracarboxylic acid combinations for corrosion inhibition
US-11149202-B1 · Oct 19, 2021 · US
Systems, formulations, and methods for removal of ceramic cores from turbine blades after casting
US-2021154733-A1 · May 27, 2021 · US
Organic blend additive useful for inhibiting localized corrosion of equipment used in oil and gas production
US-2021102298-A1 · Apr 8, 2021 · US
Organic blend additive useful for inhibiting localized corrosion of equipment used in oil and gas production
US-10968524-B2 · Apr 6, 2021 · US
Process for preparing an anticorrosion component for an antifreeze
US-10961177-B2 · Mar 30, 2021 · US
Additives for coating compositions and related methods
US-10934439-B2 · Mar 2, 2021 · US
Methods and Apparatuses for Selecting Natural Product Corrosion Inhibitors for Application to Substrates
US-2020407568-A1 · Dec 31, 2020 · US
Mitigating Internal Corrosion of Crude Oil Transportation Pipeline
US-2020370185-A1 · Nov 26, 2020 · US
Process for preparing an anticorrosion component for an antifreeze
US-2020283365-A1 · Sep 10, 2020 · US
Synergistic metal polycarboxylate corrosion inhibitors
US-2020283912-A1 · Sep 10, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23F11/124?
- CPC C23F11/124 is the Cooperative Patent Classification code for “Carboxylic acids.”
- How many patents are filed under CPC C23F11/124 (Carboxylic acids)?
- Our database includes 75 publications tagged with this CPC code.
- Is patent activity under CPC C23F11/124 growing?
- Publication counts under this code: 4 in 2024 vs 6 in 2025 (latest complete years).