- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 64/06 - Aromatic polycarbonates not containing aliphatic unsaturation
Patent holdings for IPC class C08G 64/06
Total number of patents in this class: 361
10-year publication summary
|
29
|
30
|
27
|
30
|
30
|
33
|
28
|
32
|
33
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Gas Chemical Company, Inc. | 3343 |
65 |
| Idemitsu Kosan Co., Ltd. | 4103 |
40 |
| Mitsubishi Chemical Corporation | 4447 |
31 |
| LG Chem, Ltd. | 17639 |
29 |
| Covestro Deutschland AG | 2692 |
21 |
| Teijin Limited | 1233 |
20 |
| SABIC Global Technologies B.V. | 4203 |
17 |
| SHPP Global Technologies B.V. | 1059 |
17 |
| Honshu Chemical Industry Co., Ltd. | 156 |
11 |
| Reuter Chemische Apparatebau KG | 15 |
7 |
| Lotte Advanced Materials Co., Ltd. | 411 |
7 |
| The United States of America as represented by the Secretary of the Navy | 2720 |
6 |
| Mitsubishi Engineering-Plastics Corporation | 309 |
5 |
| General Electric Company | 17789 |
4 |
| Sabic Innovative Plastics IP B.V. | 683 |
4 |
| Mitsubishi Rayon Co., Ltd. | 944 |
4 |
| MGC Filsheet Co., Ltd. | 156 |
4 |
| Covestro Intellectual Property GmbH & Co. KG | 276 |
4 |
| Canon Inc. | 38148 |
3 |
| Asahi Kasei Kabushiki Kaisha | 2556 |
3 |
| Other owners | 59 |