- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 8/28 - Oil-in-water emulsions containing organic additives
Patent holdings for IPC class C09K 8/28
Total number of patents in this class: 167
10-year publication summary
|
14
|
7
|
17
|
10
|
13
|
18
|
15
|
13
|
10
|
2
|
| 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 |
38 |
| Saudi Arabian Oil Company | 11322 |
23 |
| M-I L.L.C. | 893 |
5 |
| CURTIS, Philip, Anthony | 497 |
5 |
| Schlumberger Technology Corporation | 9690 |
4 |
| Lamberti SpA | 258 |
4 |
| BASF SE | 19740 |
3 |
| Chevron U.S.A. Inc. | 3774 |
3 |
| BP Exploration Operating Company Limited | 270 |
3 |
| China University of Petroleum (Beijing) | 258 |
3 |
| Elementis Specialties, Inc. | 129 |
3 |
| Emery Oleochemicals GmbH | 111 |
3 |
| Flotek Chemistry, LLC | 120 |
3 |
| Kemira Oyj | 1167 |
3 |
| Nalco Company | 620 |
3 |
| TURNER, Craig, Robert | 152 |
3 |
| Baker Hughes Holdings LLC | 3060 |
3 |
| Baker Hughes Incorporated | 5689 |
2 |
| Aramco Services Company | 3504 |
2 |
| BYK-Chemie GmbH | 437 |
2 |
| Other owners | 49 |