Low molecular weight amide/ester containing quaternary ammonium salts
US-11820957-B2 · Nov 21, 2023 · US
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Natural products
Natural products · 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 | C10M159/02 |
| Official title | Natural products |
| Display label | Natural products |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 1 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Biobased extreme pressure additive for lubricating compositions and associated methods
US-2023097718-A1 · Mar 30, 2023 · US
Low molecular weight amide/ester containing quaternary ammonium salts
US-2021214639-A1 · Jul 15, 2021 · US
Heat treatment oil composition
US-10731099-B2 · Aug 4, 2020 · US
Low molecular weight amide/ester containing quaternary ammonium salts
US-2019345406-A1 · Nov 14, 2019 · US
Natural antioxidants derived from lignin
US-2019241707-A1 · Aug 8, 2019 · US
Microalgal compositions and uses thereof
US-2019040334-A1 · Feb 7, 2019 · US
Microalgal compositions and uses thereof
US-10053646-B2 · Aug 21, 2018 · US
Lubricating oil compositions
US-9963656-B2 · May 8, 2018 · US
Natural antioxidants derived from lignin
US-2018066116-A1 · Mar 8, 2018 · US
Heat treatment oil composition
US-2018023022-A1 · Jan 25, 2018 · US
Grease composition, grease-packed bearing, universal joint for propeller shaft, lubricating oil composition, and oil-impregnated sintered bearing
US-9796944-B2 · Oct 24, 2017 · US
Low molecular weight amide/ester containing quaternary ammonium salts
US-2017121628-A1 · May 4, 2017 · US
Lubricating composition containing a dispersant
US-2016251593-A1 · Sep 1, 2016 · US
Lubricating composition containing a dispersant
US-9359578-B2 · Jun 7, 2016 · US
Lubricating oil compositions
US-2015344813-A1 · Dec 3, 2015 · US
Lubricating oil composition and lubricating oil composition for continuously variable transmission
US-9156751-B2 · Oct 13, 2015 · US
Lubricating composition containing a dispersant
US-2015175930-A1 · Jun 25, 2015 · US
Grease composition,grease-packed bearing, universal joint for propeller shaft, lubricating oil composition, and oil-impregnated sintered bearing
US-2015105304-A1 · Apr 16, 2015 · US
Grease composition, grease-packed bearing, universal joint for propeller shaft, lubricating oil composition, and oil-impregnated sintered bearing
US-8946134-B2 · Feb 3, 2015 · US