- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chainCompositions of derivatives of such polymers
Patent holdings for IPC class C08L 67/00
Total number of patents in this class: 2627
10-year publication summary
|
170
|
145
|
149
|
176
|
153
|
200
|
160
|
152
|
143
|
51
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 9009 |
89 |
| Toray Industries, Inc. | 6891 |
86 |
| Toyobo Co., Ltd. | 2482 |
70 |
| FUJIFILM Corporation | 29228 |
60 |
| BASF SE | 20777 |
50 |
| Kaneka Corporation | 4486 |
45 |
| Mitsubishi Chemical Corporation | 4485 |
38 |
| Kao Corporation | 4943 |
35 |
| Mitsubishi Gas Chemical Company, Inc. | 3438 |
35 |
| Eastman Chemical Company | 2254 |
32 |
| DIC Corporation | 3750 |
30 |
| Polyplastics Co., Ltd. | 601 |
27 |
| Kingfa SCI & Tech Co. Ltd. | 613 |
25 |
| SABIC Global Technologies B.V. | 4288 |
22 |
| Kimberly-clark Worldwide, Inc. | 5507 |
21 |
| Dow Global Technologies LLC | 10354 |
21 |
| PPG Industries Ohio, Inc. | 3452 |
21 |
| Nisshinbo Chemical Inc. | 135 |
21 |
| LG Chem, Ltd. | 17561 |
20 |
| 3m Innovative Properties Company | 17849 |
18 |
| Other owners | 1861 |