- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 8/512 - Compositions based on water or polar solvents containing organic compounds macromolecular compounds containing cross-linking agents
Patent holdings for IPC class C09K 8/512
Total number of patents in this class: 552
10-year publication summary
|
31
|
48
|
33
|
30
|
28
|
32
|
18
|
13
|
11
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21292 |
92 |
| Saudi Arabian Oil Company | 14369 |
88 |
| Aramco Services Company | 4190 |
31 |
| Schlumberger Technology Corporation | 11940 |
27 |
| Schlumberger Canada Limited | 7610 |
20 |
| Schlumberger Technology B.v. | 5287 |
19 |
| Schlumberger Holdings Limited | 2660 |
19 |
| Prad Research and Development Limited | 2642 |
19 |
| Services Petroliers Schlumberger | 6022 |
19 |
| Alfaisal University | 45 |
10 |
| Southwest Petroleum University | 528 |
7 |
| Aramco Americas Company | 88 |
7 |
| Baker Hughes Incorporated | 4883 |
6 |
| China University of Petroleum (East China) | 428 |
6 |
| The Curators of the University of Missouri | 1095 |
6 |
| Nalco Company | 530 |
6 |
| CURTIS, Philip, Anthony | 319 |
6 |
| TURNER, Craig, Robert | 137 |
6 |
| E. I. du Pont de Nemours and Company | 3460 |
5 |
| China Petroleum & Chemical Corporation | 2175 |
5 |
| Other owners | 148 |