- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 1/12 - Cellulose acetate
Patent holdings for IPC class C08L 1/12
Total number of patents in this class: 395
10-year publication summary
|
24
|
17
|
28
|
37
|
24
|
31
|
35
|
48
|
47
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eastman Chemical Company | 2212 |
78 |
| Daicel Corporation | 2408 |
36 |
| FUJIFILM Corporation | 29817 |
22 |
| Celanese International Corporation | 915 |
21 |
| FUJIFILM Business Innovation Corp. | 7741 |
14 |
| Konica Minolta, Inc. | 8902 |
13 |
| NEC Corporation | 36257 |
11 |
| NEC Platforms, Ltd. | 1139 |
6 |
| SK Innovation Co., Ltd. | 1382 |
6 |
| Acetate International LLC | 60 |
6 |
| Nippon Paper Industries Co., Ltd. | 833 |
5 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 373 |
4 |
| North Carolina State University | 1582 |
4 |
| Rhodia Acetow GmbH | 31 |
4 |
| Ticona LLC | 599 |
4 |
| LG Chem, Ltd. | 17679 |
3 |
| Kaneka Corporation | 4608 |
3 |
| National University Corporation Hokkaido University | 1352 |
3 |
| Saudi Arabian Oil Company | 13656 |
3 |
| Island Polymer Industries GmbH | 13 |
3 |
| Other owners | 146 |