- 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: 2652
10-year publication summary
|
145
|
149
|
176
|
153
|
202
|
163
|
154
|
146
|
115
|
94
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 8992 |
95 |
| Toray Industries, Inc. | 7164 |
83 |
| Toyobo Co., Ltd. | 2576 |
71 |
| FUJIFILM Corporation | 30866 |
61 |
| BASF SE | 21339 |
49 |
| Kaneka Corporation | 4844 |
47 |
| Mitsubishi Chemical Corporation | 4774 |
42 |
| Mitsubishi Gas Chemical Company, Inc. | 3663 |
37 |
| Kao Corporation | 5117 |
35 |
| DIC Corporation | 4008 |
31 |
| Polyplastics Co., Ltd. | 580 |
30 |
| Eastman Chemical Company | 2107 |
28 |
| Kingfa SCI & Tech Co. Ltd. | 736 |
28 |
| LG Chem, Ltd. | 18005 |
26 |
| SABIC Global Technologies B.V. | 4636 |
24 |
| PPG Industries Ohio, Inc. | 3325 |
23 |
| Nisshinbo Chemical Inc. | 151 |
22 |
| Kimberly-clark Worldwide, Inc. | 5264 |
21 |
| Dow Global Technologies LLC | 11106 |
20 |
| Kuraray Co., Ltd. | 3619 |
20 |
| Other owners | 1859 |