- 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: 4331
10-year publication summary
|
329
|
314
|
299
|
302
|
325
|
296
|
305
|
255
|
214
|
163
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SABIC Global Technologies B.V. | 4351 |
298 |
| SHPP Global Technologies B.V. | 1088 |
287 |
| Idemitsu Kosan Co., Ltd. | 4224 |
232 |
| Covestro Deutschland AG | 2760 |
232 |
| LG Chem, Ltd. | 17635 |
210 |
| Mitsubishi Gas Chemical Company, Inc. | 3468 |
165 |
| Sabic Innovative Plastics IP B.V. | 681 |
155 |
| Mitsubishi Engineering-Plastics Corporation | 307 |
155 |
| Mitsubishi Chemical Corporation | 4525 |
129 |
| Teijin Limited | 1245 |
126 |
| Lotte Advanced Materials Co., Ltd. | 405 |
125 |
| Kingfa SCI & Tech Co. Ltd. | 640 |
112 |
| Lotte Chemical Corporation | 728 |
107 |
| Bayer MaterialScience AG | 799 |
85 |
| Cheil Industries Inc. | 852 |
66 |
| Bayer Intellectual Property GmbH | 2498 |
48 |
| MGC Filsheet Co., Ltd. | 156 |
41 |
| Samyang Corporation | 402 |
36 |
| Kaneka Corporation | 4534 |
35 |
| Techno-UMG Co., Ltd. | 174 |
35 |
| Other owners | 1652 |