- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications 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: 1152
10-year publication summary
|
81
|
75
|
89
|
84
|
129
|
124
|
96
|
66
|
63
|
13
|
| 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 |
118 |
| Halliburton Energy Services, Inc. | 20165 |
83 |
| S.p.c.m. SA | 308 |
59 |
| Chevron U.S.A. Inc. | 3774 |
50 |
| BASF SE | 19740 |
49 |
| ConocoPhillips Company | 1657 |
34 |
| Championx USA Inc. | 250 |
32 |
| University of Kansas | 838 |
30 |
| Aramco Services Company | 3504 |
24 |
| ENERGY SOLUTIONS (US) LLC, a Delaware limited liability company | 211 |
20 |
| SNF Group | 251 |
19 |
| IFP Energies Nouvelles | 2717 |
18 |
| Ecolab USA Inc. | 5190 |
14 |
| Nalco Company | 620 |
14 |
| Rhodia Operations | 1645 |
13 |
| Board of Regents, The University of Texas System | 5370 |
12 |
| Southwest Petroleum University | 403 |
12 |
| Schlumberger Technology Corporation | 9690 |
11 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
11 |
| Shell Oil Company | 2196 |
11 |
| Other owners | 518 |