- All sections
- C - Chemistry; metallurgy
- C10M - Lubricating compositions; use of chemical substances either alone or as lubricating ingredients in a lubricating composition
- C10M 133/44 - Five-membered ring containing nitrogen and carbon only
Patent holdings for IPC class C10M 133/44
Total number of patents in this class: 235
10-year publication summary
|
29
|
32
|
23
|
34
|
17
|
15
|
16
|
15
|
10
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Lubrizol Corporation | 1310 |
42 |
| Afton Chemical Corporation | 478 |
21 |
| Idemitsu Kosan Co., Ltd. | 4106 |
20 |
| Chevron Oronite Company LLC | 560 |
16 |
| Infineum International Limited | 347 |
12 |
| Chevron Japan Ltd. | 87 |
11 |
| ENEOS Corporation | 581 |
8 |
| Vanderbilt Chemicals, LLC | 149 |
7 |
| ExxonMobil Research And Engineering Company | 2675 |
5 |
| BASF SE | 20387 |
4 |
| Chevron U.S.A. Inc. | 3847 |
4 |
| Chevron Oronite Technology B.V. | 66 |
4 |
| Innospec Limited | 325 |
4 |
| Clariant Finance (BVI) Limited | 403 |
3 |
| Fuchs Petrolub SE | 38 |
3 |
| Kluber Lubrication Munchen KG | 15 |
3 |
| Kyodo Yushi Co., Ltd. | 227 |
3 |
| Phillips 66 Company | 1076 |
3 |
| JXTG Nippon Oil & Energy Corporation | 324 |
3 |
| Totalenergies Onetech | 1103 |
3 |
| Other owners | 56 |