- All sections
- C - Chemistry; metallurgy
- C10M - Lubricating compositions; use of chemical substances either alone or as lubricating ingredients in a lubricating composition
- C10M 149/22 - Polyamines
Patent holdings for IPC class C10M 149/22
Total number of patents in this class: 40
10-year publication summary
|
2
|
2
|
6
|
8
|
3
|
3
|
5
|
1
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Infineum International Limited | 347 |
7 |
| Chevron Oronite Company LLC | 560 |
5 |
| Shell Internationale Research Maatschappij B.V. | 3721 |
2 |
| The Lubrizol Corporation | 1310 |
2 |
| NYCO SA | 26 |
2 |
| The University of Southern Mississippi | 84 |
2 |
| Totalenergies Onetech | 1103 |
2 |
| Totalenergies Onetech (previously Totalenergies One Tech) | 302 |
2 |
| Shell Oil Company | 2155 |
1 |
| Afton Chemical Corporation | 478 |
1 |
| Blaser Swisslube AG | 38 |
1 |
| BYK-Chemie GmbH | 443 |
1 |
| Castrol Limited | 529 |
1 |
| China Petroleum & Chemical Corporation | 1774 |
1 |
| The George Washington University | 424 |
1 |
| Instituto Tecnologico y de Estudios Superiores de Monterrey | 128 |
1 |
| Kabushiki Kaisha Toyota Chuo Kenkyusho | 608 |
1 |
| Nippon Oil Corporation | 309 |
1 |
| PetroChina Company Limited | 572 |
1 |
| SK Innovation Co., Ltd. | 1199 |
1 |
| Other owners | 4 |