- 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: 532
10-year publication summary
|
35
|
31
|
48
|
33
|
30
|
28
|
32
|
18
|
12
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20788 |
95 |
| Saudi Arabian Oil Company | 12911 |
75 |
| Aramco Services Company | 3927 |
31 |
| Schlumberger Technology Corporation | 10652 |
26 |
| Schlumberger Canada Limited | 7266 |
21 |
| Schlumberger Technology B.v. | 5160 |
20 |
| Schlumberger Holdings Limited | 2839 |
20 |
| Services Petroliers Schlumberger | 5771 |
20 |
| Prad Research and Development Limited | 2693 |
19 |
| Alfaisal University | 44 |
10 |
| CURTIS, Philip, Anthony | 436 |
9 |
| E. I. du Pont de Nemours and Company | 4107 |
7 |
| M-I L.L.C. | 815 |
7 |
| Southwest Petroleum University | 462 |
7 |
| Baker Hughes Incorporated | 5279 |
6 |
| China University of Petroleum (East China) | 370 |
6 |
| The Curators of the University of Missouri | 1035 |
6 |
| Nalco Company | 567 |
6 |
| TURNER, Craig, Robert | 142 |
6 |
| ENI S.p.A. | 1257 |
5 |
| Other owners | 130 |