- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 23/44 - Ether carboxylic acids
Patent holdings for IPC class C09K 23/44
Total number of patents in this class: 9
10-year publication summary
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0
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0
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0
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1
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1
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0
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2
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2
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1
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21313 |
1 |
| Chevron U.S.A. Inc. | 4134 |
1 |
| Mitsubishi Chemical Corporation | 4717 |
1 |
| AnalytiCon Discovery GmbH | 31 |
1 |
| Nikko Chemicals Co., Ltd. | 48 |
1 |
| Oerlikon Metco (US) Inc. | 216 |
1 |
| P2 Science, Inc. | 111 |
1 |
| SANYO Chemical Industries, Ltd. | 517 |
1 |
| Dorf Ketal Energy Services LLC | 17 |
1 |
| Other owners | 0 |