- All sections
- C - Chemistrymetallurgy
- C10M - Lubricating compositionsuse 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
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3
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3
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3
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0
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2
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1
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0
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0
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1
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Infineum International Limited | 349 |
5 |
| The Lubrizol Corporation | 1313 |
5 |
| Nihon Parkerizing Co., Ltd. | 280 |
4 |
| Vallourec Oil and Gas France | 461 |
4 |
| Dow Corning Toray Co., Ltd. | 531 |
3 |
| JTEKT Corporation | 2443 |
2 |
| Idemitsu Kosan Co., Ltd. | 4103 |
2 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
2 |
| NOK Kluber Co., Ltd. | 51 |
2 |
| Honda Motor Co., Ltd. | 24866 |
1 |
| Hitachi Automotive Systems, Ltd. | 3962 |
1 |
| Denso Corporation | 23769 |
1 |
| Chevron Oronite Company LLC | 560 |
1 |
| NTN Corporation | 4976 |
1 |
| Afton Chemical Corporation | 477 |
1 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2906 |
1 |
| Kyodo Yushi Co., Ltd. | 230 |
1 |
| Nippon Steel Corporation | 6012 |
1 |
| PetroChina Company Limited | 579 |
1 |
| STT Inc. | 9 |
1 |
| Other owners | 5 |