- All sections
- C - Chemistrymetallurgy
- C08B - Polysaccharidesderivatives thereof
- C08B 3/14 - Preparation of cellulose esters of organic acids in which the organic acid residue contains substituents, e.g. NH2, Cl
Patent holdings for IPC class C08B 3/14
Total number of patents in this class: 56
10-year publication summary
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5
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0
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3
|
1
|
5
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2
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2
|
5
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4
|
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
|
|---|---|---|
| Daicel Corporation | 2380 |
9 |
| National University Corporation Kanazawa University | 243 |
5 |
| Kyoto University | 2828 |
4 |
| Seiko Epson Corporation | 19664 |
3 |
| Stora Enso Oyj | 1658 |
3 |
| Infinited Fiber Company Oy | 41 |
3 |
| Shin-Etsu Chemical Co., Ltd. | 5695 |
2 |
| Compagnie générale des établissements Michelin SCA | 2583 |
2 |
| DIC Corporation | 3818 |
2 |
| Compagnie Generale des Etablissements Michelin | 4766 |
2 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6116 |
2 |
| Conopco, Inc. | 5001 |
1 |
| The Regents of the University of California | 20108 |
1 |
| Centre National de La Recherche Scientifique | 10564 |
1 |
| Procter & Gamble International Operations SA | 147 |
1 |
| Mitsubishi Chemical Corporation | 4579 |
1 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5010 |
1 |
| Celanese International Corporation | 911 |
1 |
| Cellutech AB | 22 |
1 |
| Daicel Chemical Industries, Ltd. | 220 |
1 |
| Other owners | 10 |