- All sections
- C - Chemistrymetallurgy
- C10G - Cracking hydrocarbon oilsproduction of liquid hydrocarbon mixtures, e.g. by destructive hydrogenation, oligomerisation, polymerisationrecovery of hydrocarbon oils from oil-shale, oil-sand, or gasesrefining mixtures mainly consisting of hydrocarbonsreforming of naphthamineral waxes
- C10G 21/02 - Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents with two or more solvents, which are introduced or withdrawn separately
Patent holdings for IPC class C10G 21/02
Total number of patents in this class: 78
10-year publication summary
|
3
|
12
|
6
|
5
|
5
|
4
|
2
|
1
|
4
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13409 |
13 |
| IFP Energies Nouvelles | 2959 |
4 |
| Shell Internationale Research Maatschappij B.V. | 3557 |
3 |
| Shell Oil Company | 2138 |
3 |
| Aramco Services Company | 4033 |
3 |
| PT Pertamina (Persero) | 5 |
3 |
| PT Pura Barutama | 5 |
3 |
| Reliance Industries Limited | 450 |
3 |
| Canadian Natural Upgrading Limited | 46 |
3 |
| Regen III Corp. | 13 |
3 |
| Imperial Oil Resources Limited | 171 |
2 |
| Parker Hannifin Manufacturing Limited | 51 |
2 |
| Total Raffinage Marketing | 153 |
2 |
| Alder Energy, LLC | 9 |
2 |
| Shell USA, Inc. | 1242 |
2 |
| BASF SE | 21017 |
1 |
| Uop LLC | 4246 |
1 |
| Mitsui Chemicals, Inc. | 3247 |
1 |
| Accudyne Systems, Inc. | 6 |
1 |
| Bharat Petroleum Corporation Limited | 59 |
1 |
| Other owners | 22 |