- All sections
- C - Chemistry; metallurgy
- 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: 350
10-year publication summary
|
32
|
25
|
17
|
29
|
36
|
25
|
31
|
36
|
50
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eastman Chemical Company | 2239 |
66 |
| Daicel Corporation | 2128 |
31 |
| FUJIFILM Corporation | 27102 |
30 |
| Celanese International Corporation | 879 |
20 |
| FUJIFILM Business Innovation Corp. | 7395 |
13 |
| Konica Minolta, Inc. | 8349 |
12 |
| SK Innovation Co., Ltd. | 1015 |
6 |
| NEC Corporation | 32703 |
5 |
| Acetate International LLC | 63 |
5 |
| Nippon Paper Industries Co., Ltd. | 782 |
4 |
| Rhodia Acetow GmbH | 32 |
4 |
| Ticona LLC | 547 |
4 |
| Eastman Kodak Company | 3444 |
3 |
| Samsung SDI Co., Ltd. | 6671 |
3 |
| Kaneka Corporation | 4445 |
3 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 354 |
3 |
| National University Corporation Hokkaido University | 1323 |
3 |
| North Carolina State University | 1492 |
3 |
| Island Polymer Industries GmbH | 11 |
3 |
| Cerdia International GmbH | 28 |
3 |
| Other owners | 126 |