- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications 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: 74
10-year publication summary
7
|
3
|
8
|
14
|
8
|
8
|
6
|
3
|
2
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Halliburton Energy Services, Inc. | 20165 |
14 |
Saudi Arabian Oil Company | 11322 |
9 |
King Fahd University of Petroleum and Minerals | 779 |
4 |
Schlumberger Technology Corporation | 9690 |
2 |
Schlumberger Canada Limited | 6913 |
2 |
Schlumberger Technology B.v. | 4951 |
2 |
ExxonMobil Chemical Patents Inc. | 4286 |
2 |
Aramco Services Company | 3504 |
2 |
BYK-Chemie GmbH | 437 |
2 |
Emery Oleochemicals GmbH | 111 |
2 |
GCP Applied Technologies Inc. | 451 |
2 |
Huntsman Petrochemical LLC | 276 |
2 |
Services Petroliers Schlumberger | 5426 |
2 |
SNF S.A.S. | 26 |
2 |
Trican Well Service Ltd. | 83 |
2 |
University of Wyoming | 323 |
2 |
Shell Internationale Research Maatschappij B.V. | 3792 |
1 |
China National Petroleum Corporation | 245 |
1 |
China Petroleum & Chemical Corporation | 1623 |
1 |
Clearwater International, L.L.C. | 9 |
1 |
Other owners | 17 |