- 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: 3600
10-year publication summary
|
162
|
193
|
204
|
222
|
231
|
265
|
285
|
299
|
252
|
168
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4703 |
163 |
| LG Chem, Ltd. | 17921 |
88 |
| Novamont S.p.A. | 393 |
55 |
| CJ Cheiljedang Corporation | 3649 |
53 |
| Kureha Corporation | 1059 |
52 |
| BASF SE | 21303 |
50 |
| Toray Industries, Inc. | 7113 |
49 |
| Sumitomo Chemical Company, Limited | 9016 |
46 |
| Kingfa SCI & Tech Co. Ltd. | 704 |
46 |
| Kao Corporation | 5076 |
34 |
| Teijin Limited | 1282 |
34 |
| Kimberly-clark Worldwide, Inc. | 5308 |
32 |
| 3m Innovative Properties Company | 17478 |
31 |
| SK Chemicals Co., Ltd. | 650 |
31 |
| LG Hausys, Ltd. | 806 |
28 |
| Danimer Ipco, LLC | 107 |
27 |
| Ethicon, Inc. | 1123 |
26 |
| Ticona LLC | 604 |
25 |
| NatureWorks LLC | 96 |
22 |
| Mitsubishi Chemical Corporation | 4724 |
21 |
| Other owners | 2687 |