- All sections
- C - Chemistry; metallurgy
- C10M - Lubricating compositions; use of chemical substances either alone or as lubricating ingredients in a lubricating composition
- C10M 121/02 - Petroleum fractions, e.g. tars
Patent holdings for IPC class C10M 121/02
Total number of patents in this class: 3
10-year publication summary
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0
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1
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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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0
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0
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NSK Ltd. | 2719 |
1 |
| Cargill, Incorporated | 2835 |
1 |
| Equistar Chemicals, LP | 342 |
1 |
| Other owners | 0 |