1,4-Benzoxazine Compounds And Lubricant Compositions Containing The Same
US-2025115823-A1 · Apr 10, 2025 · US
the ring containing both nitrogen and oxygen
the ring containing both nitrogen and oxygen · 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 | C10M133/48 |
| Official title | the ring containing both nitrogen and oxygen |
| Display label | the ring containing both nitrogen and oxygen |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 7 |
| 2021 | 1 |
| 2022 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Organoboron compound, preparation method thereof, and use thereof
US-2025011341-A1 · Jan 9, 2025 · US
Azaphenothiazines and azaphenoxazines as antioxidants
US-11512262-B2 · Nov 29, 2022 · US
Composition containing heterocyclic compounds and a method of lubricating an internal combustion engine
US-10913915-B2 · Feb 9, 2021 · US
Polymeric viscosity modifiers for use in lubricants
US-10836976-B2 · Nov 17, 2020 · US
Cyclic quaternary ammonium salts as fuel or lubricant additives
US-10689589-B2 · Jun 23, 2020 · US
An aqueous coating agent composition and a coating composition for an aqueous lubricating film comprising the same
US-2020157379-A1 · May 21, 2020 · US
Composition Containing Heterocyclic Compounds And A Method Of Lubricating An Internal Combustion Engine
US-2020123463-A1 · Apr 23, 2020 · US
Composition containing heterocyclic compounds and a method of lubricating an internal combustion engine
US-10550348-B2 · Feb 4, 2020 · US
Polymeric viscosity modifiers for use in lubricants
US-2020024542-A1 · Jan 23, 2020 · US
Azaphenothiazines and azaphenoxazines as antioxidants
US-2020010776-A1 · Jan 9, 2020 · US
Composition and method for preventing or reducing low speed pre-ignition in spark-ignited internal combustion engines
US-2019292473-A1 · Sep 26, 2019 · US
Hydraulic oil compositions with improved hydrolytic and thermo-oxidative stability
US-2019085256-A1 · Mar 21, 2019 · US
Lubricant Composition
US-2018265800-A1 · Sep 20, 2018 · US
Composition Containing Heterocyclic Compounds and a Method of Lubricating an Internal Combustion Engine
US-2018237715-A1 · Aug 23, 2018 · US
Cyclic quaternary ammonium salts as fuel or lubricant additives
US-2018223203-A1 · Aug 9, 2018 · US
Composition containing heterocyclic compounds and a method of lubricating an internal combustion engine
US-9982210-B2 · May 29, 2018 · US
Water-based coating agent composition, water-based lubricating film paint composition comprising same, and member
US-2017349762-A1 · Dec 7, 2017 · US
Synergistic mixture
US-9670430-B2 · Jun 6, 2017 · US
Synergistic mixture
US-9562202-B2 · Feb 7, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10M133/48?
- CPC C10M133/48 is the Cooperative Patent Classification code for “the ring containing both nitrogen and oxygen.”
- How many patents are filed under CPC C10M133/48 (the ring containing both nitrogen and oxygen)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC C10M133/48 growing?
- Publication counts under this code: 1 in 2022 vs 2 in 2025 (latest complete years).