- All sections
- C - Chemistrymetallurgy
- C10C - Working-up tar, pitch, asphalt, bitumenpyroligneous acid
- C10C 3/08 - Working-up pitch, asphalt, bitumen by selective extraction
Patent holdings for IPC class C10C 3/08
Total number of patents in this class: 209
10-year publication summary
|
3
|
6
|
17
|
9
|
3
|
9
|
7
|
12
|
6
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SunCor Energy Inc. | 742 |
20 |
| ExxonMobil Upstream Research Company | 2337 |
16 |
| Imperial Oil Resources Limited | 172 |
16 |
| Fort Hills Energy L.P. | 87 |
10 |
| Uop LLC | 4309 |
7 |
| Kellogg Brown & Root LLC | 528 |
7 |
| ExxonMobil Research And Engineering Company | 2468 |
6 |
| ExxonMobil Chemical Patents Inc. | 3828 |
6 |
| Saudi Arabian Oil Company | 13949 |
5 |
| Syncrude Canada Ltd. in Trust for The Owners of The Syncrude Project, AS such Owners Exist NOW and in The Future | 50 |
4 |
| Shingle Resource Recycling, LLC | 5 |
4 |
| Chevron Canada Limited | 21 |
3 |
| Canadian Natural Resources Limited | 43 |
3 |
| Ecolab USA Inc. | 5725 |
3 |
| MEG Energy Corp. | 14 |
3 |
| Terrapower, LLC | 346 |
3 |
| Titanium Corporation Inc. | 20 |
3 |
| USD Group LLC | 5 |
3 |
| Total E&P Canada Ltd. | 26 |
3 |
| Canadian Natural Upgrading Limited | 45 |
3 |
| Other owners | 81 |