- All sections
- C - Chemistrymetallurgy
- C08B - Polysaccharidesderivatives thereof
- C08B 3/06 - Cellulose acetate
Patent holdings for IPC class C08B 3/06
Total number of patents in this class: 267
10-year publication summary
|
15
|
28
|
19
|
18
|
20
|
19
|
15
|
11
|
6
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daicel Corporation | 2459 |
58 |
| Eastman Chemical Company | 2090 |
41 |
| Tricoya Technologies Ltd | 35 |
13 |
| Nippon Paper Industries Co., Ltd. | 841 |
8 |
| National University Corporation Kanazawa University | 252 |
7 |
| Titan Wood Limited | 58 |
7 |
| Celanese Acetate LLC | 68 |
6 |
| National University Corporation Hokkaido University | 1344 |
5 |
| FUJIFILM Business Innovation Corp. | 7844 |
5 |
| FUJIFILM Corporation | 30210 |
4 |
| Olympus Corporation | 13016 |
4 |
| Celanese International Corporation | 911 |
4 |
| Kyoto University | 2886 |
4 |
| Solvay Acetow GmbH | 25 |
4 |
| BASF SE | 21129 |
3 |
| Konica Minolta, Inc. | 9021 |
3 |
| Daicel Chemical Industries, Ltd. | 198 |
3 |
| JNC Corporation | 1530 |
3 |
| Melodea Ltd. | 21 |
3 |
| Ultra Small Fibers, LLC | 23 |
3 |
| Other owners | 79 |