- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 8/18 - Clay-containing compositions characterised by the organic compounds
Patent holdings for IPC class C09K 8/18
Total number of patents in this class: 76
10-year publication summary
|
3
|
8
|
14
|
8
|
8
|
6
|
3
|
3
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20749 |
14 |
| Saudi Arabian Oil Company | 12858 |
9 |
| King Fahd University of Petroleum and Minerals | 1145 |
4 |
| Schlumberger Technology Corporation | 10627 |
2 |
| Schlumberger Canada Limited | 7235 |
2 |
| Schlumberger Technology B.v. | 5148 |
2 |
| ExxonMobil Chemical Patents Inc. | 4028 |
2 |
| Aramco Services Company | 3910 |
2 |
| BYK-Chemie GmbH | 442 |
2 |
| Emery Oleochemicals GmbH | 112 |
2 |
| GCP Applied Technologies Inc. | 462 |
2 |
| Huntsman Petrochemical LLC | 292 |
2 |
| Lamberti SpA | 255 |
2 |
| Services Petroliers Schlumberger | 5756 |
2 |
| SNF S.A.S. | 19 |
2 |
| Trican Well Service Ltd. | 79 |
2 |
| University of Wyoming | 360 |
2 |
| Shell Internationale Research Maatschappij B.V. | 3544 |
1 |
| China National Petroleum Corporation | 418 |
1 |
| China Petroleum & Chemical Corporation | 1869 |
1 |
| Other owners | 18 |