- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 23/04 - Sulfonates or sulfuric acid ester salts derived from polyhydric alcohols or amino alcohols or derivatives thereof
Patent holdings for IPC class C09K 23/04
Total number of patents in this class: 8
10-year publication summary
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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0
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0
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3
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4
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0
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
BASF SE | 19740 |
2 |
Adeka Corporation | 1333 |
2 |
Toyota Motor Corporation | 28582 |
1 |
Clariant International Ltd. | 978 |
1 |
Flotek Chemistry, LLC | 120 |
1 |
NOK Corporation | 2108 |
1 |
Other owners | 0 |