Composition containing heterocyclic compounds and a method of lubricating an internal combustion engine
US-10913915-B2 · Feb 9, 2021 · US
Heterocyclic compounds
Heterocyclic 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 | C10M133/58 |
| Official title | Heterocyclic compounds |
| Display label | Heterocyclic compounds |
| Total patents | 51 |
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 | 12 |
| 2017 | 11 |
| 2018 | 10 |
| 2019 | 9 |
| 2020 | 5 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gasoline engine lubricant oil composition and manufacturing method therefor
US-10793803-B2 · Oct 6, 2020 · US
Quaternized ammonium salts of hydrocarbyl epoxides and use thereof as additives in fuels and lubricants
US-10689326-B2 · Jun 23, 2020 · US
Composition Containing Heterocyclic Compounds And A Method Of Lubricating An Internal Combustion Engine
US-2020123463-A1 · Apr 23, 2020 · US
Quaternized nitrogen compounds and use thereof as additives in fuels and lubricants
US-10550346-B2 · Feb 4, 2020 · US
Composition containing heterocyclic compounds and a method of lubricating an internal combustion engine
US-10550348-B2 · Feb 4, 2020 · US
Method for preventing or reducing low speed pre-ignition while maintaining or improving cleanliness
US-10519394-B2 · Dec 31, 2019 · US
Lubricant composition containing an antiwear agent
US-10421923-B2 · Sep 24, 2019 · US
Lubricant compositions containing controlled release additives
US-10377962-B2 · Aug 13, 2019 · US
Lubricant composition for gasoline engine and method for producing same
US-2019169526-A1 · Jun 6, 2019 · US
Gasoline engine lubricant oil composition and manufacturing method therefor
US-2019169525-A1 · Jun 6, 2019 · US
Method of friction control
US-10301569-B2 · May 28, 2019 · US
Quaternized ammonium salts of hydrocarbyl epoxides and use thereof as additives in fuels and lubricants
US-2019084922-A1 · Mar 21, 2019 · US
Quaternized nitrogen compounds and use thereof as additives in fuels and lubricants
US-2019031969-A1 · Jan 31, 2019 · US
Quaternized ammonium salts of hydrocarbyl epoxides and use thereof as additives in fuels and lubricants
US-10173963-B2 · Jan 8, 2019 · US
Axle oil composition having enhanced fuel efficiency and low viscosity
US-10160926-B2 · Dec 25, 2018 · US
Lubricant compositions for direct injection engines
US-2018346843-A1 · Dec 6, 2018 · US
Quaternized nitrogen compounds and use thereof as additives in fuels and lubricants
US-10119085-B2 · Nov 6, 2018 · US
Method of lubricating an internal combustion engine
US-2018282653-A1 · Oct 4, 2018 · US
Composition Containing Heterocyclic Compounds and a Method of Lubricating an Internal Combustion Engine
US-2018237715-A1 · Aug 23, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10M133/58?
- CPC C10M133/58 is the Cooperative Patent Classification code for “Heterocyclic compounds.”
- How many patents are filed under CPC C10M133/58 (Heterocyclic compounds)?
- Our database includes 51 publications tagged with this CPC code.
- Is patent activity under CPC C10M133/58 growing?
- Publication counts under this code: 5 in 2020 vs 1 in 2021 (latest complete years).