- All sections
- C - Chemistrymetallurgy
- C10C - Working-up tar, pitch, asphalt, bitumenpyroligneous acid
- C10C 1/00 - Working-up tar
Patent holdings for IPC class C10C 1/00
Total number of patents in this class: 33
10-year publication summary
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2
|
0
|
0
|
1
|
4
|
1
|
1
|
1
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GrafTech International Holdings Inc. | 112 |
4 |
| Uop LLC | 4239 |
3 |
| Carbon Holdings Intellectual Properties, LLC | 59 |
3 |
| ENI S.p.A. | 1256 |
2 |
| University of Wyoming | 361 |
2 |
| Baker Hughes Incorporated | 5273 |
1 |
| ExxonMobil Research And Engineering Company | 2582 |
1 |
| ExxonMobil Chemical Patents Inc. | 4001 |
1 |
| JPMorgan Chase Bank, National Association | 8556 |
1 |
| Energy & Environmental Research Center Foundation | 56 |
1 |
| Hanergy Tech Co., Ltd. | 2 |
1 |
| Headwaters Heavy Oil, LLC | 8 |
1 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3967 |
1 |
| Phillips 66 Company | 1058 |
1 |
| Res USA, LLC | 9 |
1 |
| SGL Carbon SE | 387 |
1 |
| ThyssenKrupp Uhde GmbH | 330 |
1 |
| Haldor Topsøe A/S | 659 |
1 |
| CMBlu Projekt AG | 21 |
1 |
| Henan Longcheng Coal High Efficiency Technology Application Co., Ltd. | 17 |
1 |
| Other owners | 4 |