- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 67/46 - Preparation of carboxylic acid esters from ketenes or polyketenes
Patent holdings for IPC class C07C 67/46
Total number of patents in this class: 17
10-year publication summary
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1
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0
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1
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3
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2
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1
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1
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0
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1
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20519 |
2 |
| M. Technique Co., Ltd. | 243 |
2 |
| Pioneer Energy, Inc. | 20 |
2 |
| Lonza Solutions AG | 9 |
2 |
| Arxada AG | 155 |
2 |
| Arkema France | 3896 |
1 |
| Celanese International Corporation | 910 |
1 |
| Eastman Chemical Company | 2262 |
1 |
| Gilead Sciences, Inc. | 1974 |
1 |
| Lonza AG | 62 |
1 |
| Lonza Ltd. | 610 |
1 |
| NanTong Acetic Acid Chemical Co., Ltd. | 9 |
1 |
| Other owners | 0 |