- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 51/493 - SeparationPurificationStabilisationUse of additives by treatment giving rise to chemical modification whereby carboxylic acid esters are formed
Patent holdings for IPC class C07C 51/493
Total number of patents in this class: 21
10-year publication summary
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3
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1
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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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2
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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
|
|---|---|---|
| LyondellBasell Acetyls, LLC | 95 |
2 |
| Universitat de les Illes Balears | 74 |
2 |
| Sumitomo Chemical Company, Limited | 8998 |
1 |
| Showa Denko K.K. | 2279 |
1 |
| Korea Institute of Science and Technology | 2110 |
1 |
| Alliance for Sustainable Energy, LLC | 792 |
1 |
| Celanese International Corporation | 914 |
1 |
| Council of Scientific & Industrial Research | 1416 |
1 |
| Daiichi Sankyo Company, Limited | 1849 |
1 |
| Eastman Chemical Company | 2244 |
1 |
| Enerkem Inc. | 84 |
1 |
| Gfbiochemicals Limited | 49 |
1 |
| Rhodia Operations | 1582 |
1 |
| Segetis, Inc. | 39 |
1 |
| ThyssenKrupp AG | 3254 |
1 |
| ThyssenKrupp Industrial Solutions AG | 636 |
1 |
| Tokyo University of Science Educational Foundation Administrative Organization | 107 |
1 |
| Blue Sun Energy, Inc. | 1 |
1 |
| Maoshi Agricultural Technology Co., Ltd | 4 |
1 |
| Other owners | 0 |