- All sections
- C - Chemistry; metallurgy
- C08B - Polysaccharides; derivatives thereof
- C08B 3/06 - Cellulose acetate
Patent holdings for IPC class C08B 3/06
Total number of patents in this class: 254
10-year publication summary
|
13
|
24
|
19
|
28
|
18
|
18
|
21
|
20
|
15
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daicel Corporation | 2128 |
52 |
| Eastman Chemical Company | 2239 |
41 |
| Tricoya Technologies Ltd | 41 |
14 |
| Nippon Paper Industries Co., Ltd. | 782 |
8 |
| Celanese Acetate LLC | 81 |
7 |
| National University Corporation Kanazawa University | 243 |
7 |
| Daicel Chemical Industries, Ltd. | 288 |
6 |
| Titan Wood Limited | 60 |
6 |
| National University Corporation Hokkaido University | 1323 |
5 |
| FUJIFILM Corporation | 27102 |
4 |
| Olympus Corporation | 13667 |
4 |
| Celanese International Corporation | 879 |
4 |
| Melodea Ltd. | 23 |
4 |
| Solvay Acetow GmbH | 29 |
4 |
| FUJIFILM Business Innovation Corp. | 7395 |
4 |
| Konica Minolta, Inc. | 8349 |
3 |
| JNC Corporation | 1527 |
3 |
| Ultra Small Fibers, LLC | 22 |
3 |
| Farmakeio AR LLC | 4 |
3 |
| BASF SE | 19740 |
2 |
| Other owners | 70 |