- All sections
- C - Chemistry; metallurgy
- C10M - Lubricating compositions; use of chemical substances either alone or as lubricating ingredients in a lubricating composition
- C10M 145/20 - Condensation polymers of aldehydes or ketones
Patent holdings for IPC class C10M 145/20
Total number of patents in this class: 45
10-year publication summary
|
6
|
3
|
3
|
3
|
0
|
2
|
1
|
0
|
0
|
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 |
5 |
| The Lubrizol Corporation | 1335 |
5 |
| Nihon Parkerizing Co., Ltd. | 274 |
4 |
| Vallourec Oil and Gas France | 450 |
4 |
| Dow Corning Toray Co., Ltd. | 562 |
3 |
| JTEKT Corporation | 2423 |
2 |
| Idemitsu Kosan Co., Ltd. | 3995 |
2 |
| Nippon Steel & Sumitomo Metal Corporation | 1990 |
2 |
| NOK Kluber Co., Ltd. | 54 |
2 |
| Honda Motor Co., Ltd. | 24537 |
1 |
| Hitachi Automotive Systems, Ltd. | 3970 |
1 |
| Denso Corporation | 23338 |
1 |
| Chevron Oronite Company LLC | 551 |
1 |
| NTN Corporation | 5008 |
1 |
| Afton Chemical Corporation | 468 |
1 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
1 |
| Kyodo Yushi Co., Ltd. | 224 |
1 |
| Nippon Steel Corporation | 5649 |
1 |
| PetroChina Company Limited | 462 |
1 |
| STT Inc. | 9 |
1 |
| Other owners | 5 |