- All sections
- C - Chemistrymetallurgy
- C10M - Lubricating compositionsuse of chemical substances either alone or as lubricating ingredients in a lubricating composition
- C10M 129/20 - Cyclic ethers having 4 or more ring atoms, e.g. furans, dioxolanes
Patent holdings for IPC class C10M 129/20
Total number of patents in this class: 43
10-year publication summary
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4
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5
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5
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1
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4
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1
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1
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1
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1
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Lubrizol Corporation | 1291 |
13 |
| Idemitsu Kosan Co., Ltd. | 4239 |
3 |
| Shikibo Ltd. | 14 |
2 |
| Toppan Printing Co., Ltd. | 2128 |
2 |
| University of Delaware | 367 |
2 |
| Yamamoto Perfumery Co., Ltd. | 8 |
2 |
| Chemical Systems of Orlando, Inc. | 6 |
2 |
| BASF SE | 21039 |
1 |
| Mitsubishi Electric Corporation | 46590 |
1 |
| DSM IP Assets B.V. | 5575 |
1 |
| Chevron Oronite Company LLC | 573 |
1 |
| NTN Corporation | 4981 |
1 |
| NSK Ltd. | 2802 |
1 |
| Albemarle Corporation | 477 |
1 |
| Ecolab USA Inc. | 5538 |
1 |
| Gfbiochemicals Limited | 49 |
1 |
| Infineum International Limited | 409 |
1 |
| Inter IKEA Systems B.V. | 431 |
1 |
| Nihon University | 286 |
1 |
| Total Marketing Services | 453 |
1 |
| Other owners | 4 |