- All sections
- C - Chemistry; metallurgy
- C08J - Working-up; general processes of compounding; after-treatment not covered by subclasses , , , or
- C08J 5/18 - Manufacture of films or sheets
Patent holdings for IPC class C08J 5/18
Total number of patents in this class: 13794
10-year publication summary
|
949
|
1016
|
976
|
1038
|
1110
|
1264
|
1211
|
1403
|
1196
|
384
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17205 |
598 |
| FUJIFILM Corporation | 27102 |
356 |
| Toyobo Co., Ltd. | 2286 |
321 |
| Dow Global Technologies LLC | 10147 |
309 |
| Kuraray Co., Ltd. | 3392 |
303 |
| Toray Industries, Inc. | 6652 |
257 |
| Borealis AG | 2558 |
228 |
| 3m Innovative Properties Company | 18406 |
219 |
| Nitto Denko Corporation | 7879 |
180 |
| Mitsubishi Chemical Corporation | 4313 |
172 |
| Kolon Industries, Inc. | 1506 |
169 |
| ExxonMobil Chemical Patents Inc. | 4286 |
168 |
| Kaneka Corporation | 4445 |
168 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
152 |
| Zeon Corporation | 3854 |
152 |
| Stora Enso Oyj | 1504 |
142 |
| Sumitomo Chemical Company, Limited | 8808 |
131 |
| Konica Minolta, Inc. | 8349 |
131 |
| Eastman Chemical Company | 2239 |
115 |
| Mitsui Chemicals, Inc. | 3134 |
109 |
| Other owners | 9414 |