- 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: 249
10-year publication summary
|
18
|
10
|
11
|
12
|
15
|
8
|
22
|
6
|
12
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4235 |
40 |
| The Lubrizol Corporation | 1249 |
28 |
| JX Nippon Oil & Energy Corporation | 978 |
13 |
| Castrol Limited | 511 |
11 |
| Chevron Oronite Company LLC | 594 |
10 |
| Kyodo Yushi Co., Ltd. | 249 |
9 |
| ExxonMobil Research And Engineering Company | 2422 |
8 |
| NOK Corporation | 2299 |
8 |
| Totalenergies Onetech | 1535 |
8 |
| Infineum International Limited | 456 |
7 |
| KYB Corporation | 1422 |
7 |
| NTN Corporation | 4914 |
4 |
| NSK Ltd. | 2834 |
4 |
| Afton Chemical Corporation | 495 |
4 |
| Ecole Centrale de Lyon | 136 |
4 |
| ENEOS Corporation | 693 |
4 |
| Centre National de La Recherche Scientifique | 11023 |
3 |
| citizen Watch Co., Ltd. | 1087 |
3 |
| Croda, Inc. | 120 |
3 |
| Total Marketing Services | 449 |
3 |
| Other owners | 68 |