- 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: 3649
10-year publication summary
|
162
|
193
|
204
|
222
|
231
|
265
|
287
|
299
|
256
|
231
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4844 |
167 |
| LG Chem, Ltd. | 18005 |
88 |
| Novamont S.p.A. | 398 |
56 |
| CJ Cheiljedang Corporation | 3711 |
55 |
| Kureha Corporation | 1098 |
55 |
| BASF SE | 21339 |
51 |
| Toray Industries, Inc. | 7164 |
49 |
| Sumitomo Chemical Company, Limited | 8992 |
48 |
| Kingfa SCI & Tech Co. Ltd. | 736 |
48 |
| Teijin Limited | 1308 |
34 |
| Kao Corporation | 5117 |
33 |
| Kimberly-clark Worldwide, Inc. | 5264 |
32 |
| 3m Innovative Properties Company | 17463 |
31 |
| SK Chemicals Co., Ltd. | 653 |
31 |
| LG Hausys, Ltd. | 805 |
28 |
| Danimer Ipco, LLC | 107 |
27 |
| Ethicon, Inc. | 1117 |
26 |
| Ticona LLC | 600 |
25 |
| Mitsubishi Chemical Corporation | 4774 |
22 |
| NatureWorks LLC | 93 |
22 |
| Other owners | 2721 |