- 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: 390
10-year publication summary
25
|
17
|
29
|
37
|
25
|
31
|
37
|
51
|
49
|
18
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Eastman Chemical Company | 2216 |
78 |
Daicel Corporation | 2338 |
36 |
FUJIFILM Corporation | 29350 |
23 |
Celanese International Corporation | 907 |
21 |
Konica Minolta, Inc. | 8722 |
13 |
FUJIFILM Business Innovation Corp. | 7585 |
13 |
NEC Corporation | 35619 |
10 |
SK Innovation Co., Ltd. | 1337 |
6 |
Acetate International LLC | 63 |
6 |
NEC Platforms, Ltd. | 1154 |
5 |
Nippon Paper Industries Co., Ltd. | 831 |
5 |
Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 370 |
4 |
Rhodia Acetow GmbH | 32 |
4 |
Ticona LLC | 592 |
4 |
LG Chem, Ltd. | 17620 |
3 |
Samsung SDI Co., Ltd. | 8276 |
3 |
Kaneka Corporation | 4519 |
3 |
National University Corporation Hokkaido University | 1342 |
3 |
North Carolina State University | 1560 |
3 |
Saudi Arabian Oil Company | 13091 |
3 |
Other owners | 144 |