- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 8/588 - 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 polymers
Patent holdings for IPC class C09K 8/588
Total number of patents in this class: 1241
10-year publication summary
|
89
|
84
|
129
|
124
|
96
|
67
|
62
|
61
|
49
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 14207 |
125 |
| Halliburton Energy Services, Inc. | 21320 |
82 |
| Chevron U.S.A. Inc. | 4134 |
58 |
| BASF SE | 21303 |
48 |
| S.p.c.m. SA | 238 |
46 |
| ConocoPhillips Company | 1708 |
34 |
| SNF Group | 405 |
32 |
| University of Kansas | 918 |
30 |
| Aramco Services Company | 4188 |
24 |
| Championx USA Inc. | 174 |
22 |
| Championx LLC | 633 |
18 |
| IFP Energies Nouvelles | 3095 |
16 |
| Schlumberger Technology Corporation | 11798 |
15 |
| China Petroleum & Chemical Corporation | 2147 |
15 |
| Ecolab USA Inc. | 5792 |
14 |
| Nalco Company | 536 |
14 |
| Rhodia Operations | 1497 |
13 |
| Southwest Petroleum University | 521 |
13 |
| ENERGY SOLUTIONS (US) LLC, a Delaware limited liability company | 186 |
13 |
| Schlumberger Canada Limited | 7606 |
12 |
| Other owners | 597 |