- 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
1
|
2
|
2
|
6
|
8
|
3
|
3
|
5
|
1
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Infineum International Limited | 340 |
7 |
Chevron Oronite Company LLC | 551 |
5 |
The Lubrizol Corporation | 1335 |
3 |
Shell Internationale Research Maatschappij B.V. | 3792 |
2 |
NYCO SA | 27 |
2 |
The University of Southern Mississippi | 83 |
2 |
Totalenergies Onetech (previously Totalenergies One Tech) | 323 |
2 |
BASF SE | 19740 |
1 |
ExxonMobil Research And Engineering Company | 2830 |
1 |
Shell Oil Company | 2196 |
1 |
Afton Chemical Corporation | 468 |
1 |
BYK-Chemie GmbH | 437 |
1 |
Castrol Limited | 520 |
1 |
China Petroleum & Chemical Corporation | 1623 |
1 |
The George Washington University | 408 |
1 |
Instituto Tecnologico y de Estudios Superiores de Monterrey | 129 |
1 |
Kabushiki Kaisha Toyota Chuo Kenkyusho | 587 |
1 |
Nippon Oil Corporation | 340 |
1 |
Polnox Corporation | 28 |
1 |
SK Innovation Co., Ltd. | 1015 |
1 |
Other owners | 4 |