Thiophosphate esters as antiwear additives for lubricants
US-12565625-B2 · Mar 3, 2026 · US
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with hydroxyalkyl compounds without further substituents on alkyl
with hydroxyalkyl compounds without further substituents on alkyl · 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 | C07F9/17 |
| Official title | with hydroxyalkyl compounds without further substituents on alkyl |
| Display label | with hydroxyalkyl compounds without further substituents on alkyl |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 2 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 8 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Functionalization of soluble polydienes and polyisoprenes using dithiophosphoric acids
US-2025340677-A1 · Nov 6, 2025 · US
Thiophosphate esters as antiwear additives for lubricants
US-2025197756-A1 · Jun 19, 2025 · US
Preparation method for pyrimidine-2-amine
US-2024383863-A1 · Nov 21, 2024 · US
Antiwear system for improved copper corrosion
US-12054688-B1 · Aug 6, 2024 · US
Selective detection of bed bugs
US-2024239822-A1 · Jul 18, 2024 · US
Thiophosphoric acid products for antiwear additives
US-11958875-B1 · Apr 16, 2024 · US
Lubricant composition for shock absorbers, additive for friction adjustment, lubricant additive, shock absorber and friction adjustment method for lubricant composition for shock absorbers
US-11932823-B2 · Mar 19, 2024 · US
Selective detection of bed bugs
US-2024083927-A1 · Mar 14, 2024 · US
Antiwear system for improved copper corrosion
US-11884892-B1 · Jan 30, 2024 · US
Antiwear system for improved copper corrosion
US-11884893-B1 · Jan 30, 2024 · US
Selective detection of bed bugs
US-11851453-B2 · Dec 26, 2023 · US
Trans-cyclooctene labeled antisense oligonucleotides, radio labeled tetrazine and methods
US-2022290140-A1 · Sep 15, 2022 · US
Selective detection of bed bugs
US-2022235080-A1 · Jul 28, 2022 · US
Lubricant composition for shock absorbers, additive for friction adjustment, lubricant additive, shock absorber and friction adjustment method for lubricant composition for shock absorbers
US-2022204882-A1 · Jun 30, 2022 · US
Selective detection of bed bugs
US-2022017551-A1 · Jan 20, 2022 · US
Non-aqueous liquid electrolyte, electricity storage device using same, and phosphorus compound used therein
US-10093688-B2 · Oct 9, 2018 · US
Lubricant additive compositions containing thiophosphates and thiophosphate derivatives
US-9885003-B2 · Feb 6, 2018 · US
Non-aqueous liquid electrolyte, electricity storage device using same, and phosphorus compound used therein
US-2017275311-A1 · Sep 28, 2017 · US
Echothiophate iodide process
US-9708352-B2 · Jul 18, 2017 · US