- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 67/04 - Polyesters derived from hydroxy carboxylic acids, e.g. lactones
Patent holdings for IPC class C08L 67/04
Total number of patents in this class: 3229
10-year publication summary
|
200
|
161
|
193
|
204
|
219
|
225
|
262
|
271
|
279
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4483 |
116 |
| LG Chem, Ltd. | 17620 |
61 |
| Toray Industries, Inc. | 6843 |
54 |
| Kureha Corporation | 1026 |
54 |
| Novamont S.p.A. | 357 |
54 |
| BASF SE | 20367 |
45 |
| Sumitomo Chemical Company, Limited | 8966 |
45 |
| Teijin Limited | 1232 |
41 |
| CJ Cheiljedang Corporation | 3240 |
39 |
| Kao Corporation | 4898 |
34 |
| Kingfa SCI & Tech Co. Ltd. | 576 |
33 |
| 3m Innovative Properties Company | 17968 |
31 |
| Kimberly-clark Worldwide, Inc. | 5519 |
31 |
| Ethicon, Inc. | 1244 |
31 |
| SK Chemicals Co., Ltd. | 590 |
31 |
| Mitsui Chemicals, Inc. | 3161 |
28 |
| LG Hausys, Ltd. | 828 |
28 |
| Unitika Ltd. | 443 |
24 |
| Danimer Ipco, LLC | 87 |
23 |
| Ticona LLC | 574 |
22 |
| Other owners | 2404 |