- All sections
- C - Chemistrymetallurgy
- C10C - Working-up tar, pitch, asphalt, bitumenpyroligneous acid
- C10C 3/06 - Working-up pitch, asphalt, bitumen by distillation
Patent holdings for IPC class C10C 3/06
Total number of patents in this class: 75
10-year publication summary
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3
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6
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4
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4
|
3
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5
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7
|
8
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6
|
3
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rain Carbon Germany GmbH | 65 |
9 |
| ExxonMobil Research And Engineering Company | 2468 |
7 |
| ExxonMobil Technology and Engineering Company | 1275 |
5 |
| Rain Carbon BV | 12 |
5 |
| Rain Carbon BVBA | 7 |
4 |
| Expander Energy Inc. | 56 |
3 |
| Petroleo Brasileiro S.A. - Petrobras | 930 |
3 |
| USD Group LLC | 5 |
3 |
| IFP Energies Nouvelles | 3031 |
2 |
| Imperial Oil Resources Limited | 172 |
2 |
| Korea Research Institute of Chemical Technology | 1444 |
2 |
| OCI Company Ltd. | 160 |
2 |
| Syncrude Canada Ltd. | 84 |
2 |
| Carbon Holdings Intellectual Properties, LLC | 65 |
2 |
| Carbovate Development Corp. | 9 |
2 |
| Crasus Chemical Inc. | 48 |
2 |
| Canadian Natural Resources Limited | 43 |
1 |
| Kellogg Brown & Root LLC | 528 |
1 |
| Koppers Delaware, Inc. | 64 |
1 |
| Kyushu University, National University Corporation | 1694 |
1 |
| Other owners | 16 |