- All sections
- C - Chemistry; metallurgy
- C10G - Cracking hydrocarbon oils; production of liquid hydrocarbon mixtures, e.g. by destructive hydrogenation, oligomerisation, polymerisation; recovery of hydrocarbon oils from oil-shale, oil-sand, or gases; refining mixtures mainly consisting of hydrocarbons; reforming of naphtha; mineral waxes
- C10G 67/04 - Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only including solvent extraction as the refining step in the absence of hydrogen
Patent holdings for IPC class C10G 67/04
Total number of patents in this class: 536
10-year publication summary
|
31
|
44
|
57
|
65
|
25
|
34
|
48
|
32
|
30
|
17
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 11322 |
88 |
| ExxonMobil Research And Engineering Company | 2830 |
73 |
| IFP Energies Nouvelles | 2717 |
32 |
| SABIC Global Technologies B.V. | 4044 |
29 |
| Mawetal LLC | 37 |
27 |
| Uop LLC | 4083 |
23 |
| Aramco Services Company | 3504 |
22 |
| Chevron U.S.A. Inc. | 3774 |
18 |
| Saudi Basic Industries Corporation | 625 |
14 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
13 |
| ENI S.p.A. | 1241 |
13 |
| ExxonMobil Technology and Engineering Company | 676 |
10 |
| Lummus Technology Inc. | 322 |
9 |
| ExxonMobil Chemical Patents Inc. | 4286 |
8 |
| Neste Oyj | 686 |
8 |
| Shell USA, Inc. | 1074 |
8 |
| Shell Oil Company | 2196 |
7 |
| Axens | 253 |
6 |
| Regen III Corp. | 13 |
6 |
| China Petroleum & Chemical Corporation | 1623 |
5 |
| Other owners | 117 |