- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 8/78 - Eroding chemicals, e.g. acids combined with additives added for specific purposes for preventing sealing
Patent holdings for IPC class C09K 8/78
Total number of patents in this class: 34
10-year publication summary
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0
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1
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4
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0
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0
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1
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1
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1
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20991 |
12 |
| Saudi Arabian Oil Company | 13442 |
4 |
| Kureha Corporation | 1040 |
2 |
| COTTRILL, Emily Elizabeth Helen | 41 |
2 |
| Locus Solutions IPCo, LLC | 328 |
2 |
| Schlumberger Technology Corporation | 10930 |
1 |
| Schlumberger Canada Limited | 7383 |
1 |
| Schlumberger Technology B.v. | 5191 |
1 |
| Baker Hughes Incorporated | 5238 |
1 |
| Aramco Services Company | 4042 |
1 |
| Cleansorb Limited | 32 |
1 |
| Sasol Performance Chemicals GmbH | 33 |
1 |
| Services Petroliers Schlumberger | 5838 |
1 |
| TouGas Oilfield Solutions GmbH | 33 |
1 |
| CURTIS, Philip, Anthony | 404 |
1 |
| TURNER, Craig, Robert | 139 |
1 |
| Dorf Ketal Chemicals FZE | 52 |
1 |
| Other owners | 0 |