- 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: 205
10-year publication summary
|
15
|
11
|
10
|
19
|
12
|
8
|
15
|
8
|
14
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SunCor Energy Inc. | 735 |
19 |
| ExxonMobil Upstream Research Company | 2397 |
16 |
| Imperial Oil Resources Limited | 170 |
15 |
| Fort Hills Energy L.P. | 85 |
10 |
| Kellogg Brown & Root LLC | 517 |
8 |
| Uop LLC | 4244 |
7 |
| ExxonMobil Research And Engineering Company | 2573 |
6 |
| ExxonMobil Chemical Patents Inc. | 3980 |
5 |
| Saudi Arabian Oil Company | 13155 |
5 |
| Shingle Resource Recycling, LLC | 5 |
4 |
| Chevron Canada Limited | 21 |
3 |
| Canadian Natural Resources Limited | 42 |
3 |
| Ecolab USA Inc. | 5480 |
3 |
| MEG Energy Corp. | 16 |
3 |
| Syncrude Canada Ltd. in Trust for The Owners of The Syncrude Project, AS such Owners Exist NOW and in The Future | 42 |
3 |
| Terrapower, LLC | 333 |
3 |
| Titanium Corporation Inc. | 20 |
3 |
| Total E&P Canada Ltd. | 26 |
3 |
| Canadian Natural Upgrading Limited | 46 |
3 |
| Carbon Holdings Intellectual Properties, LLC | 59 |
3 |
| Other owners | 80 |