- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 23/02 - Alkyl sulfonates or sulfuric acid ester salts derived from monohydric alcohols
Patent holdings for IPC class C09K 23/02
Total number of patents in this class: 32
10-year publication summary
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0
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0
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0
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0
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0
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1
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7
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5
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4
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3
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chevron U.S.A. Inc. | 3996 |
7 |
| Chevron Oronite Company LLC | 573 |
5 |
| Kao Corporation | 4984 |
4 |
| Dow Global Technologies LLC | 10437 |
3 |
| Stepan Company | 580 |
3 |
| BASF SE | 21017 |
2 |
| Ecolab USA Inc. | 5528 |
2 |
| Halliburton Energy Services, Inc. | 20964 |
1 |
| Rohm and Haas Company | 2907 |
1 |
| Rhodia Operations | 1586 |
1 |
| Taizhou SunUp Tech. Co., Ltd. | 5 |
1 |
| Specialty Operations France | 803 |
1 |
| Advanced Environmental R&D Limited | 1 |
1 |
| Other owners | 0 |