Corrosion inhibitor for soft water circulation heating and cooling system and preparation method of corrosion inhibitor
US-11781068-B2 · Oct 10, 2023 · US
Mercaptans
Mercaptans · 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 | C23F11/161 |
| Official title | {Mercaptans} |
| Display label | Mercaptans |
| Total patents | 77 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 5 |
| 2017 | 3 |
| 2018 | 11 |
| 2019 | 6 |
| 2020 | 8 |
| 2021 | 13 |
| 2022 | 4 |
| 2023 | 9 |
| 2024 | 9 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compositions and methods for corrosion inhibitor monitoring
US-11697761-B2 · Jul 11, 2023 · US
Composition for remediating iron sulfide in oilfield production systems
US-2023183554-A1 · Jun 15, 2023 · US
Compositions for inhibiting corrosion
US-2023159765-A1 · May 25, 2023 · US
Acid based corrosion inhibitor compositions and methods
US-2023127419-A1 · Apr 27, 2023 · US
Corrosion resistant coating systems
US-2023094396-A1 · Mar 30, 2023 · US
Composition for remediating iron sulfide in oilfield production systems
US-11597868-B2 · Mar 7, 2023 · US
Compositions for inhibiting corrosion
US-11560483-B2 · Jan 24, 2023 · US
Anti-corrosion formulations with storage stability
US-11555141-B2 · Jan 17, 2023 · US
Corrosion inhibition treatment for aggressive fluids
US-11479864-B2 · Oct 25, 2022 · US
Treatment liquid, method for washing substrate, and method for removing resist
US-2022260919-A1 · Aug 18, 2022 · US
Treatment liquid, method for washing substrate, and method for removing resist
US-11397383-B2 · Jul 26, 2022 · US
Method for producing grain oriented electrical steel sheet
US-2022081747-A1 · Mar 17, 2022 · US
Metal corrosion inhibitor
US-11168402-B2 · Nov 9, 2021 · US
Corrosion control for supercritical carbon dioxide fluids
US-11142831-B2 · Oct 12, 2021 · US
Benzimidazole composition for metal corrosion inhibition
US-11124882-B2 · Sep 21, 2021 · US
Method for inhibiting metal corrosion using a benzimidazole-containing composition
US-11124883-B2 · Sep 21, 2021 · US
Use of a disulfide/dithiol compound in a seal for anodized aluminum
US-11041251-B2 · Jun 22, 2021 · US
Compositions and methods for corrosion inhibitor monitoring
US-2021163818-A1 · Jun 3, 2021 · US
Corrosion inhibition treatment for aggressive fluids
US-2021164112-A1 · Jun 3, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23F11/161?
- CPC C23F11/161 is the Cooperative Patent Classification code for “Mercaptans.”
- How many patents are filed under CPC C23F11/161 (Mercaptans)?
- Our database includes 77 publications tagged with this CPC code.
- Is patent activity under CPC C23F11/161 growing?
- Publication counts under this code: 9 in 2024 vs 7 in 2025 (latest complete years).