- All sections
- C - Chemistry; metallurgy
- C10N - Indexing scheme associated with subclass
- C10N 30/18 - Anti-foaming property
Patent holdings for IPC class C10N 30/18
Total number of patents in this class: 109
10-year publication summary
|
5
|
5
|
10
|
6
|
14
|
10
|
11
|
15
|
5
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 3995 |
13 |
| The Lubrizol Corporation | 1335 |
10 |
| JXTG Nippon Oil & Energy Corporation | 325 |
5 |
| VGP Ipco, LLC | 172 |
5 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
4 |
| ENEOS Corporation | 611 |
4 |
| ExxonMobil Research And Engineering Company | 2830 |
3 |
| Chevron Oronite Company LLC | 551 |
3 |
| Afton Chemical Corporation | 468 |
3 |
| DIC Corporation | 3597 |
3 |
| Total Marketing Services | 487 |
3 |
| Totalenergies Onetech (previously Totalenergies One Tech) | 323 |
3 |
| BASF SE | 19740 |
2 |
| Shell Oil Company | 2196 |
2 |
| Castrol Limited | 520 |
2 |
| Chevron Oronite Technology B.V. | 7 |
2 |
| Infineum International Limited | 340 |
2 |
| JX Nippon Oil & Energy Corporation | 1019 |
2 |
| Kyodo Yushi Co., Ltd. | 224 |
2 |
| SANYO Chemical Industries, Ltd. | 472 |
2 |
| Other owners | 34 |