- All sections
- C - Chemistry; metallurgy
- C10M - Lubricating compositions; use of chemical substances either alone or as lubricating ingredients in a lubricating composition
- C10M 129/20 - Cyclic ethers having 4 or more ring atoms, e.g. furans, dioxolanes
Patent holdings for IPC class C10M 129/20
Total number of patents in this class: 39
10-year publication summary
|
4
|
5
|
5
|
5
|
1
|
4
|
1
|
1
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Lubrizol Corporation | 1335 |
13 |
| Idemitsu Kosan Co., Ltd. | 3995 |
3 |
| Shikibo Ltd. | 12 |
2 |
| Toppan Printing Co., Ltd. | 2212 |
2 |
| University of Delaware | 353 |
2 |
| Yamamoto Perfumery Co., Ltd. | 8 |
2 |
| BASF SE | 19740 |
1 |
| Mitsubishi Electric Corporation | 43934 |
1 |
| DSM IP Assets B.V. | 5856 |
1 |
| Chevron Oronite Company LLC | 551 |
1 |
| NTN Corporation | 5008 |
1 |
| NSK Ltd. | 2719 |
1 |
| Albemarle Corporation | 514 |
1 |
| Ecolab USA Inc. | 5190 |
1 |
| Gfbiochemicals Limited | 51 |
1 |
| IKEA Supply AG | 272 |
1 |
| Nihon University | 324 |
1 |
| Total Marketing Services | 487 |
1 |
| Zeon Corporation | 3854 |
1 |
| Corbion Biotech, Inc. | 141 |
1 |
| Other owners | 1 |