- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
Patent holdings for IPC class C08L 67/00
Total number of patents in this class: 2624
10-year publication summary
|
173
|
170
|
145
|
149
|
176
|
153
|
196
|
156
|
153
|
59
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6652 |
86 |
| Sumitomo Chemical Company, Limited | 8808 |
80 |
| Toyobo Co., Ltd. | 2286 |
62 |
| FUJIFILM Corporation | 27102 |
58 |
| BASF SE | 19740 |
48 |
| Kaneka Corporation | 4445 |
44 |
| Eastman Chemical Company | 2239 |
38 |
| Kao Corporation | 4843 |
34 |
| Mitsubishi Chemical Corporation | 4313 |
32 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
31 |
| Polyplastics Co., Ltd. | 563 |
25 |
| Dow Global Technologies LLC | 10147 |
24 |
| DIC Corporation | 3597 |
24 |
| LG Chem, Ltd. | 17205 |
21 |
| Kimberly-clark Worldwide, Inc. | 5854 |
21 |
| PPG Industries Ohio, Inc. | 3430 |
21 |
| Kingfa SCI & Tech Co. Ltd. | 509 |
21 |
| Nisshinbo Chemical Inc. | 129 |
21 |
| SABIC Global Technologies B.V. | 4044 |
21 |
| 3m Innovative Properties Company | 18406 |
19 |
| Other owners | 1893 |