- 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: 416
10-year publication summary
|
17
|
29
|
37
|
25
|
31
|
37
|
51
|
50
|
25
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eastman Chemical Company | 2094 |
82 |
| Daicel Corporation | 2549 |
40 |
| Celanese International Corporation | 912 |
21 |
| FUJIFILM Corporation | 30594 |
20 |
| FUJIFILM Business Innovation Corp. | 7959 |
15 |
| Konica Minolta, Inc. | 9150 |
14 |
| NEC Corporation | 37168 |
12 |
| NEC Platforms, Ltd. | 1068 |
7 |
| SK Innovation Co., Ltd. | 1489 |
6 |
| Acetate International LLC | 64 |
6 |
| Nippon Paper Industries Co., Ltd. | 851 |
5 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 379 |
4 |
| North Carolina State University | 1595 |
4 |
| Rhodia Acetow GmbH | 31 |
4 |
| Ticona LLC | 602 |
4 |
| Cerdia International GmbH | 42 |
4 |
| Enviro Cast, LLC | 6 |
4 |
| LG Chem, Ltd. | 17950 |
3 |
| Kaneka Corporation | 4732 |
3 |
| National University Corporation Hokkaido University | 1375 |
3 |
| Other owners | 155 |