- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 8/08 - Clay-free compositions containing natural organic compounds, e.g. polysaccharides, or derivatives thereof
Patent holdings for IPC class C09K 8/08
Total number of patents in this class: 301
10-year publication summary
|
24
|
31
|
38
|
23
|
16
|
8
|
10
|
12
|
12
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 14110 |
68 |
| Halliburton Energy Services, Inc. | 21294 |
56 |
| Schlumberger Technology Corporation | 11679 |
15 |
| M-I L.L.C. | 748 |
7 |
| Schlumberger Canada Limited | 7596 |
6 |
| Schlumberger Technology B.v. | 5289 |
6 |
| Services Petroliers Schlumberger | 6009 |
6 |
| Uniquem Inc. | 23 |
6 |
| CURTIS, Philip, Anthony | 337 |
5 |
| Nexenergy LLC | 8 |
5 |
| Schlumberger Holdings Limited | 2709 |
4 |
| King Fahd University of Petroleum and Minerals | 1547 |
4 |
| Prad Research and Development Limited | 2667 |
4 |
| Integrity Bio-chemicals, LLC | 61 |
4 |
| Lyondellbasell Advanced Polymers Inc. | 102 |
4 |
| Baker Hughes Holdings LLC | 2990 |
4 |
| BASF SE | 21294 |
3 |
| Aramco Services Company | 4174 |
3 |
| China University of Petroleum (Beijing) | 301 |
3 |
| Lamberti SpA | 258 |
3 |
| Other owners | 85 |