- All sections
- C - Chemistrymetallurgy
- C10M - Lubricating compositionsuse of chemical substances either alone or as lubricating ingredients in a lubricating composition
- C10M 129/76 - Esters containing free hydroxy or carboxyl groups
Patent holdings for IPC class C10M 129/76
Total number of patents in this class: 248
10-year publication summary
|
22
|
18
|
10
|
11
|
12
|
15
|
8
|
21
|
6
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4237 |
40 |
| The Lubrizol Corporation | 1290 |
31 |
| JX Nippon Oil & Energy Corporation | 999 |
13 |
| Castrol Limited | 519 |
11 |
| Kyodo Yushi Co., Ltd. | 243 |
10 |
| ExxonMobil Research And Engineering Company | 2562 |
9 |
| Chevron Oronite Company LLC | 573 |
8 |
| NOK Corporation | 2236 |
8 |
| Totalenergies Onetech | 1377 |
8 |
| Infineum International Limited | 400 |
7 |
| KYB Corporation | 1382 |
7 |
| NTN Corporation | 4985 |
4 |
| Afton Chemical Corporation | 487 |
4 |
| Ecole Centrale de Lyon | 134 |
4 |
| Centre National de La Recherche Scientifique | 10564 |
3 |
| NSK Ltd. | 2797 |
3 |
| Croda, Inc. | 123 |
3 |
| Klueber Lubrication Muenchen SE & Co. KG | 24 |
3 |
| Total Marketing Services | 453 |
3 |
| BASF SE | 21017 |
2 |
| Other owners | 67 |