- 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: 4404
10-year publication summary
|
320
|
304
|
308
|
330
|
300
|
306
|
264
|
217
|
219
|
131
|
| 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. | 4592 |
313 |
| SHPP Global Technologies B.V. | 1100 |
303 |
| Covestro Deutschland AG | 2831 |
243 |
| Idemitsu Kosan Co., Ltd. | 4228 |
229 |
| LG Chem, Ltd. | 17926 |
216 |
| Mitsubishi Gas Chemical Company, Inc. | 3620 |
171 |
| Mitsubishi Engineering-Plastics Corporation | 302 |
158 |
| Teijin Limited | 1280 |
140 |
| Sabic Innovative Plastics IP B.V. | 597 |
134 |
| Mitsubishi Chemical Corporation | 4717 |
131 |
| Lotte Advanced Materials Co., Ltd. | 398 |
125 |
| Lotte Chemical Corporation | 784 |
119 |
| Kingfa SCI & Tech Co. Ltd. | 699 |
118 |
| Bayer MaterialScience AG | 713 |
69 |
| Cheil Industries Inc. | 815 |
61 |
| Bayer Intellectual Property GmbH | 2382 |
48 |
| MGC Filsheet Co., Ltd. | 156 |
41 |
| Techno-UMG Co., Ltd. | 181 |
39 |
| Samyang Corporation | 423 |
37 |
| Rohm and Haas Company | 2952 |
36 |
| Other owners | 1673 |