- All sections
- C - Chemistrymetallurgy
- C10M - Lubricating compositionsuse of chemical substances either alone or as lubricating ingredients in a lubricating composition
- C10M 133/48 - Heterocyclic nitrogen compounds the ring containing both nitrogen and oxygen
Patent holdings for IPC class C10M 133/48
Total number of patents in this class: 37
10-year publication summary
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4
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2
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5
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3
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3
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0
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0
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2
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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 | 1313 |
10 |
| BASF SE | 20432 |
5 |
| University of Ottawa | 213 |
4 |
| Afton Chemical Corporation | 477 |
3 |
| Chevron Oronite Company LLC | 560 |
2 |
| Idemitsu Kosan Co., Ltd. | 4103 |
2 |
| Dow Corning Toray Co., Ltd. | 531 |
2 |
| 3m Innovative Properties Company | 17957 |
1 |
| Chevron U.S.A. Inc. | 3856 |
1 |
| Chemtura Corporation | 173 |
1 |
| China Petroleum & Chemical Corporation | 1783 |
1 |
| citizen Watch Co., Ltd. | 1070 |
1 |
| Innospec Limited | 325 |
1 |
| Kluber Lubrication Munchen KG | 15 |
1 |
| Lanxess Solutions US, Inc. | 107 |
1 |
| Sinopec Research Institute of Petroleum Processing Co., Ltd. | 62 |
1 |
| Other owners | 0 |