- 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: 1233
10-year publication summary
|
61
|
72
|
71
|
112
|
105
|
85
|
63
|
58
|
59
|
41
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13656 |
124 |
| Halliburton Energy Services, Inc. | 21078 |
82 |
| Chevron U.S.A. Inc. | 4018 |
57 |
| BASF SE | 21087 |
49 |
| S.p.c.m. SA | 239 |
46 |
| ConocoPhillips Company | 1685 |
34 |
| SNF Group | 375 |
32 |
| University of Kansas | 892 |
30 |
| Aramco Services Company | 4095 |
24 |
| Championx USA Inc. | 177 |
22 |
| IFP Energies Nouvelles | 2980 |
18 |
| Championx LLC | 553 |
18 |
| Schlumberger Technology Corporation | 11054 |
15 |
| Ecolab USA Inc. | 5598 |
14 |
| Nalco Company | 566 |
14 |
| ENERGY SOLUTIONS (US) LLC, a Delaware limited liability company | 184 |
14 |
| Rhodia Operations | 1553 |
13 |
| Southwest Petroleum University | 486 |
13 |
| Schlumberger Canada Limited | 7432 |
12 |
| Schlumberger Technology B.v. | 5223 |
12 |
| Other owners | 590 |