Corrosion inhibitor compositions and methods of using the compositions to inhibit corrosion
US-2024376608-A1 · Nov 14, 2024 · US
Sulfur-containing compounds
Sulfur-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 | C23F11/16 |
| Official title | Sulfur-containing compounds |
| Display label | Sulfur-containing compounds |
| Total patents | 103 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 10 |
| 2018 | 4 |
| 2019 | 7 |
| 2020 | 11 |
| 2021 | 13 |
| 2022 | 7 |
| 2023 | 16 |
| 2024 | 23 |
| 2025 | 3 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for anti-corrosion treating an oil well with an oil in water emulsion
US-11795380-B2 · Oct 24, 2023 · US
Methods of inhibiting corrosion of metals from acid stimulation of an oil and gas well
US-11518932-B2 · Dec 6, 2022 · US
Ionic liquid corrosion inhibitors
US-2022243118-A1 · Aug 4, 2022 · US
Corrosion inhibitors for a refinery
US-11319634-B2 · May 3, 2022 · US
Heteroaryl-thio-substituted pyrones
US-2022119709-A1 · Apr 21, 2022 · US
Temporary corrosion protection layer
US-11261514-B2 · Mar 1, 2022 · US
Thiol adducts for corrosion inhibition
US-11242480-B2 · Feb 8, 2022 · US
Phosphorous-free oil soluble molybdenum complexes for high temperature naphthenic acid corrosion inhibition
US-2022033725-A1 · Feb 3, 2022 · US
Corrosion inhibitors for oilfield applications
US-11203811-B2 · Dec 21, 2021 · US
Corrosion inhibitor composition and methods of inhibiting corrosion
US-11180856-B1 · Nov 23, 2021 · US
Metal corrosion inhibitor
US-11168402-B2 · Nov 9, 2021 · US
Hydrophilic metal surface treatment agent
US-11124881-B2 · Sep 21, 2021 · US
Schiff base oligomers
US-2021284801-A1 · Sep 16, 2021 · US
Schiff base oligomers
US-2021284802-A1 · Sep 16, 2021 · US
Hydrophilic metal surface treatment agent
US-2021246560-A1 · Aug 12, 2021 · US
Corrosion inhibitors for a refinery
US-2021180194-A1 · Jun 17, 2021 · US
Metal corrosion inhibitor
US-2021156035-A1 · May 27, 2021 · US
Corrosion Preventive Compositions
US-2021147985-A1 · May 20, 2021 · US
Multifunctional surfactant and corrosion inhibitor additives
US-2021102299-A1 · Apr 8, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23F11/16?
- CPC C23F11/16 is the Cooperative Patent Classification code for “Sulfur-containing compounds.”
- How many patents are filed under CPC C23F11/16 (Sulfur-containing compounds)?
- Our database includes 103 publications tagged with this CPC code.
- Is patent activity under CPC C23F11/16 growing?
- Publication counts under this code: 23 in 2024 vs 3 in 2025 (latest complete years).