Lubricant composition comprising carbon nanotubes
US-2024052255-A1 · Feb 15, 2024 · US
Sulfonic acids, Derivatives thereof, e.g. neutral salts
Sulfonic acids, Derivatives thereof, e.g. neutral salts · 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 | C10M2219/044 |
| Official title | Sulfonic acids, Derivatives thereof, e.g. neutral salts |
| Display label | Sulfonic acids, Derivatives thereof, e.g. neutral salts |
| Total patents | 607 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 75 |
| 2016 | 56 |
| 2017 | 62 |
| 2018 | 65 |
| 2019 | 62 |
| 2020 | 41 |
| 2021 | 50 |
| 2022 | 51 |
| 2023 | 50 |
| 2024 | 40 |
| 2025 | 47 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Functional fluids comprising alkyl toluene sulfonates
US-2015368581-A1 · Dec 24, 2015 · US
Method t0 make an aqueous pour point depressant dispersion composition
US-2015369822-A1 · Dec 24, 2015 · US
Rust preventive oil composition
US-9212426-B2 · Dec 15, 2015 · US
Lubricating grease composition
US-9206375-B2 · Dec 8, 2015 · US
Amide alcohol friction modifiers for lubricating oils
US-9193932-B2 · Nov 24, 2015 · US
Lubricating oil compositions
US-9193931-B2 · Nov 24, 2015 · US
Lubricant, friction pair having the lubricant and method for controlling friction coefficient between the friction pair
US-2015330565-A1 · Nov 19, 2015 · US
Water-soluble lubricating agent for plastic working, metal material for plastic working, and worked metal article
US-2015329797-A2 · Nov 19, 2015 · US
Method for preventing or reducing low speed pre-ignition
US-2015322367-A1 · Nov 12, 2015 · US
Oil soluble taggants
US-2015315511-A1 · Nov 5, 2015 · US
Grease-enclosed bearing
US-2015307805-A1 · Oct 29, 2015 · US
Lubricating oil compositions
US-2015307802-A1 · Oct 29, 2015 · US
Tubular threaded joint having improved low temperature performance
US-9169951-B2 · Oct 27, 2015 · US
Grease composition with improved anti-fretting properties at low temperatures
US-2015299610-A1 · Oct 22, 2015 · US
Method for improving deposit control
US-2015299602-A1 · Oct 22, 2015 · US
Salts containing trihydroperfluoroalkoxybutanesulfonate or trihydroperfluoroalkoxypropanesulfonate anion
US-2015291515-A1 · Oct 15, 2015 · US
Lubricating Oil Compositions Containing Seal Compatibility Additives And Sterically Hindered Amines
US-2015291906-A1 · Oct 15, 2015 · US
Inverse micellar compositions containing lubricant additives
US-2015275126-A1 · Oct 1, 2015 · US
Composition with improved cleanliness for lubrication of steam and gas turbine systems
US-2015275123-A1 · Oct 1, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10M2219/044?
- CPC C10M2219/044 is the Cooperative Patent Classification code for “Sulfonic acids, Derivatives thereof, e.g. neutral salts.”
- How many patents are filed under CPC C10M2219/044 (Sulfonic acids, Derivatives thereof, e.g. neutral salts)?
- Our database includes 607 publications tagged with this CPC code.
- Is patent activity under CPC C10M2219/044 growing?
- Publication counts under this code: 40 in 2024 vs 47 in 2025 (latest complete years).