- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 8/584 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants
Patent holdings for IPC class C09K 8/584
Total number of patents in this class: 1584
10-year publication summary
|
106
|
94
|
93
|
123
|
117
|
115
|
106
|
86
|
72
|
47
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13224 |
133 |
| Chevron U.S.A. Inc. | 3967 |
86 |
| Halliburton Energy Services, Inc. | 20911 |
76 |
| BASF SE | 20940 |
58 |
| Dow Global Technologies LLC | 10360 |
54 |
| Flotek Chemistry, LLC | 116 |
49 |
| Board of Regents, The University of Texas System | 5808 |
40 |
| Aramco Services Company | 3987 |
39 |
| Rhodia Operations | 1587 |
36 |
| Locus Solutions IPCo, LLC | 324 |
36 |
| Shell Internationale Research Maatschappij B.V. | 3548 |
29 |
| Chevron Oronite Company LLC | 570 |
29 |
| China Petroleum & Chemical Corporation | 1901 |
29 |
| Stepan Company | 582 |
29 |
| Baker Hughes Holdings LLC | 3007 |
25 |
| Shell Oil Company | 2138 |
24 |
| Shanghai Research Institute of Petrochemical Technology Sinopec | 264 |
24 |
| Championx LLC | 513 |
23 |
| ENERGY SOLUTIONS (US) LLC, a Delaware limited liability company | 184 |
20 |
| University of Wyoming | 361 |
19 |
| Other owners | 726 |