Refrigerator oil composition and mixed composition for refrigerator
US-12577448-B2 · Mar 17, 2026 · US
Epoxidised acids or esters
Epoxidised acids or esters · 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 | C10M129/66 |
| Official title | Epoxidised acids or esters |
| Display label | Epoxidised acids or esters |
| Total patents | 25 |
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 | 2 |
| 2019 | 2 |
| 2020 | 2 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Refrigerator oil composition and mixed composition for refrigerator
US-12570917-B2 · Mar 10, 2026 · US
Increased electric conductivity of a lubricant with amphiphilic amine and amphiphilic acid
US-2025277163-A1 · Sep 4, 2025 · US
Refrigerator oil composition and mixed composition for refrigerator
US-2025084295-A1 · Mar 13, 2025 · US
Refrigerator oil composition and mixed composition for refrigerator
US-2024309285-A1 · Sep 19, 2024 · US
Stabilized lubricant compositions and heat transfer compositions containing the same
US-11725159-B2 · Aug 15, 2023 · US
Engine oil lubricant compositions and methods for making same with superior engine wear protection and corrosion protection
US-11697782-B2 · Jul 11, 2023 · US
Stabilized lubricant compositions and heat transfer compositions containing the same
US-2022243142-A1 · Aug 4, 2022 · US
Engine oil lubricant compostions and methods for making same with superior engine wear protection and corrosion protection
US-2022010230-A1 · Jan 13, 2022 · US
Refrigerator oil
US-10836975-B2 · Nov 17, 2020 · US
Refrigeration cycle apparatus
US-2020208882-A1 · Jul 2, 2020 · US
Refrigerator oil and working fluid composition for refrigerators
US-10351793-B2 · Jul 16, 2019 · US
Lubricating oil composition
US-2019112544-A1 · Apr 18, 2019 · US
Automatic transmission oil composition improving frictional property and fuel economy and clutch for automatic transmission comprising the same
US-2018187120-A1 · Jul 5, 2018 · US
Refrigerator oil and working fluid composition for refrigerators
US-2018023025-A1 · Jan 25, 2018 · US
Refrigerator oil composition and refrigerator
US-9834737-B2 · Dec 5, 2017 · US
Refrigerator oil
US-2017327763-A1 · Nov 16, 2017 · US
Lubricant compositions comprising epoxide compounds
US-2017029737-A1 · Feb 2, 2017 · US
Lubricant composition
US-9546337-B2 · Jan 17, 2017 · US
Lubricant oil composition
US-2016369201-A1 · Dec 22, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10M129/66?
- CPC C10M129/66 is the Cooperative Patent Classification code for “Epoxidised acids or esters.”
- How many patents are filed under CPC C10M129/66 (Epoxidised acids or esters)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC C10M129/66 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).