- 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 21/00 - Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents
Patent holdings for IPC class C10G 21/00
Total number of patents in this class: 547
10-year publication summary
35
|
38
|
40
|
53
|
42
|
39
|
45
|
35
|
14
|
14
|
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 |
99 |
ExxonMobil Research And Engineering Company | 2830 |
38 |
IFP Energies Nouvelles | 2717 |
30 |
Aramco Services Company | 3504 |
27 |
Uop LLC | 4083 |
24 |
SunCor Energy Inc. | 838 |
20 |
Lummus Technology LLC | 365 |
17 |
Kellogg Brown & Root LLC | 489 |
14 |
Chevron Lummus Global, LLC | 23 |
13 |
Saudi Aramco Technologies Company | 107 |
12 |
SABIC Global Technologies B.V. | 4044 |
9 |
Chevron U.S.A. Inc. | 3774 |
8 |
ExxonMobil Upstream Research Company | 2525 |
8 |
Lummus Technology Inc. | 322 |
8 |
Siemens AG | 24990 |
7 |
Shell Internationale Research Maatschappij B.V. | 3792 |
7 |
ENI S.p.A. | 1241 |
7 |
Indian Oil Corporation Limited | 329 |
6 |
China Petroleum & Chemical Corporation | 1623 |
5 |
Total Research & Technology Feluy | 461 |
5 |
Other owners | 183 |