- All sections
- C - Chemistrymetallurgy
- 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: 3476
10-year publication summary
|
148
|
183
|
190
|
192
|
210
|
240
|
250
|
278
|
228
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4629 |
152 |
| LG Chem, Ltd. | 17741 |
76 |
| Novamont S.p.A. | 366 |
54 |
| Kureha Corporation | 1042 |
53 |
| Toray Industries, Inc. | 7014 |
50 |
| BASF SE | 21135 |
48 |
| Sumitomo Chemical Company, Limited | 9039 |
46 |
| CJ Cheiljedang Corporation | 3525 |
45 |
| Kingfa SCI & Tech Co. Ltd. | 660 |
40 |
| Kao Corporation | 5028 |
34 |
| Teijin Limited | 1259 |
34 |
| 3m Innovative Properties Company | 17614 |
31 |
| Kimberly-clark Worldwide, Inc. | 5303 |
31 |
| SK Chemicals Co., Ltd. | 628 |
31 |
| LG Hausys, Ltd. | 819 |
28 |
| Danimer Ipco, LLC | 102 |
28 |
| Ethicon, Inc. | 1151 |
26 |
| Ticona LLC | 603 |
25 |
| Mitsui Chemicals, Inc. | 3232 |
21 |
| E. I. du Pont de Nemours and Company | 3777 |
20 |
| Other owners | 2603 |