- 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: 4357
10-year publication summary
|
314
|
299
|
303
|
325
|
296
|
305
|
258
|
214
|
218
|
54
|
| 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. | 4472 |
304 |
| SHPP Global Technologies B.V. | 1092 |
299 |
| Covestro Deutschland AG | 2798 |
237 |
| Idemitsu Kosan Co., Ltd. | 4224 |
234 |
| LG Chem, Ltd. | 17810 |
212 |
| Mitsubishi Gas Chemical Company, Inc. | 3577 |
169 |
| Mitsubishi Engineering-Plastics Corporation | 303 |
152 |
| Sabic Innovative Plastics IP B.V. | 658 |
150 |
| Teijin Limited | 1261 |
134 |
| Mitsubishi Chemical Corporation | 4683 |
131 |
| Lotte Advanced Materials Co., Ltd. | 401 |
125 |
| Lotte Chemical Corporation | 745 |
114 |
| Kingfa SCI & Tech Co. Ltd. | 663 |
113 |
| Bayer MaterialScience AG | 750 |
70 |
| Cheil Industries Inc. | 823 |
62 |
| Bayer Intellectual Property GmbH | 2431 |
48 |
| MGC Filsheet Co., Ltd. | 156 |
41 |
| Techno-UMG Co., Ltd. | 179 |
38 |
| Rohm and Haas Company | 2951 |
36 |
| Samyang Corporation | 413 |
36 |
| Other owners | 1652 |