- 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: 256
10-year publication summary
24
|
19
|
28
|
19
|
18
|
21
|
20
|
15
|
11
|
0
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Daicel Corporation | 2265 |
55 |
Eastman Chemical Company | 2260 |
38 |
Tricoya Technologies Ltd | 42 |
14 |
Nippon Paper Industries Co., Ltd. | 817 |
8 |
Celanese Acetate LLC | 72 |
7 |
National University Corporation Kanazawa University | 252 |
7 |
Titan Wood Limited | 62 |
6 |
Daicel Chemical Industries, Ltd. | 244 |
5 |
National University Corporation Hokkaido University | 1326 |
5 |
FUJIFILM Business Innovation Corp. | 7458 |
5 |
FUJIFILM Corporation | 28908 |
4 |
Olympus Corporation | 13250 |
4 |
Celanese International Corporation | 912 |
4 |
Melodea Ltd. | 24 |
4 |
Solvay Acetow GmbH | 27 |
4 |
Konica Minolta, Inc. | 8573 |
3 |
JNC Corporation | 1539 |
3 |
Ultra Small Fibers, LLC | 23 |
3 |
Farmakeio AR LLC | 4 |
3 |
BASF SE | 20565 |
2 |
Other owners | 72 |