- All sections
- C - Chemistry; metallurgy
- C10M - Lubricating compositions; use of chemical substances either alone or as lubricating ingredients in a lubricating composition
- C10M 159/20 - Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products
Patent holdings for IPC class C10M 159/20
Total number of patents in this class: 196
10-year publication summary
|
12
|
16
|
26
|
15
|
16
|
4
|
5
|
2
|
5
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Infineum International Limited | 340 |
36 |
| The Lubrizol Corporation | 1335 |
33 |
| Afton Chemical Corporation | 468 |
21 |
| Idemitsu Kosan Co., Ltd. | 3995 |
14 |
| NCH Corporation | 266 |
12 |
| Chevron Oronite Company LLC | 551 |
9 |
| JX Nippon Oil & Energy Corporation | 1019 |
7 |
| ExxonMobil Research And Engineering Company | 2830 |
5 |
| Nippon Oil Corporation | 340 |
5 |
| Wilmar Trading Pte. Ltd. | 133 |
5 |
| Chevron Japan Ltd. | 83 |
4 |
| Elevance Renewable Sciences | 4 |
4 |
| Chemtool Incorporated | 10 |
3 |
| Sumitomo Metal Industries, Ltd. | 453 |
3 |
| Chevron U.S.A. Inc. | 3774 |
2 |
| Chemtura Corporation | 211 |
2 |
| Chevron Oronite S.A. | 21 |
2 |
| Ecolab USA Inc. | 5190 |
2 |
| Nippon Steel Corporation | 5649 |
2 |
| Total Marketing Services | 487 |
2 |
| Other owners | 23 |