- All sections
- C - Chemistrymetallurgy
- C08B - Polysaccharidesderivatives thereof
- C08B 3/00 - Preparation of cellulose esters of organic acids
Patent holdings for IPC class C08B 3/00
Total number of patents in this class: 117
10-year publication summary
|
12
|
6
|
6
|
4
|
3
|
7
|
5
|
1
|
5
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eastman Chemical Company | 2207 |
13 |
| NEC Corporation | 36108 |
5 |
| FUJIFILM Corporation | 29696 |
5 |
| Seiko Epson Corporation | 19664 |
4 |
| Celanese Acetate LLC | 69 |
3 |
| National University Corporation Kanazawa University | 243 |
3 |
| Stora Enso Oyj | 1658 |
3 |
| Société des Produits Nestlé S.A. | 9330 |
2 |
| Olympus Corporation | 13140 |
2 |
| The Administrators of the Tulane Educational Fund | 397 |
2 |
| Daicel Chemical Industries, Ltd. | 220 |
2 |
| Daicel Corporation | 2380 |
2 |
| Fiberlean Technologies Limited | 114 |
2 |
| FPInnovations | 240 |
2 |
| Gelesis LLC | 27 |
2 |
| GP Cellulose GmbH | 88 |
2 |
| Oji Holdings Corporation | 731 |
2 |
| UT-Battelle, LLC | 1468 |
2 |
| Virginia Tech Intellectual Properties, Inc. | 890 |
2 |
| Acetate International LLC | 61 |
2 |
| Other owners | 55 |