- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
Patent holdings for IPC class C08L 69/00
Total number of patents in this class: 4439
10-year publication summary
|
320
|
304
|
308
|
330
|
300
|
306
|
264
|
218
|
220
|
180
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SABIC Global Technologies B.V. | 4625 |
317 |
| SHPP Global Technologies B.V. | 1107 |
306 |
| Covestro Deutschland AG | 2852 |
252 |
| Idemitsu Kosan Co., Ltd. | 4275 |
230 |
| LG Chem, Ltd. | 17970 |
219 |
| Mitsubishi Gas Chemical Company, Inc. | 3643 |
175 |
| Mitsubishi Engineering-Plastics Corporation | 299 |
159 |
| Teijin Limited | 1297 |
142 |
| Mitsubishi Chemical Corporation | 4746 |
133 |
| Sabic Innovative Plastics IP B.V. | 579 |
129 |
| Lotte Advanced Materials Co., Ltd. | 398 |
125 |
| Lotte Chemical Corporation | 793 |
121 |
| Kingfa SCI & Tech Co. Ltd. | 720 |
119 |
| Bayer MaterialScience AG | 702 |
69 |
| Cheil Industries Inc. | 807 |
61 |
| Bayer Intellectual Property GmbH | 2351 |
48 |
| MGC Filsheet Co., Ltd. | 154 |
41 |
| Techno-UMG Co., Ltd. | 184 |
41 |
| Samyang Corporation | 428 |
38 |
| Rohm and Haas Company | 2943 |
36 |
| Other owners | 1678 |