- 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: 368
10-year publication summary
|
29
|
30
|
27
|
30
|
30
|
33
|
29
|
32
|
33
|
7
|
| 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. | 3381 |
67 |
| Idemitsu Kosan Co., Ltd. | 4128 |
40 |
| Mitsubishi Chemical Corporation | 4458 |
32 |
| LG Chem, Ltd. | 17450 |
30 |
| Covestro Deutschland AG | 2702 |
22 |
| Teijin Limited | 1231 |
21 |
| SABIC Global Technologies B.V. | 4278 |
17 |
| SHPP Global Technologies B.V. | 1067 |
17 |
| Honshu Chemical Industry Co., Ltd. | 159 |
11 |
| Reuter Chemische Apparatebau KG | 15 |
7 |
| Lotte Advanced Materials Co., Ltd. | 410 |
7 |
| The United States of America as represented by the Secretary of the Navy | 2735 |
6 |
| Mitsubishi Engineering-Plastics Corporation | 306 |
5 |
| General Electric Company | 17074 |
4 |
| Sabic Innovative Plastics IP B.V. | 683 |
4 |
| Mitsubishi Rayon Co., Ltd. | 932 |
4 |
| MGC Filsheet Co., Ltd. | 156 |
4 |
| Covestro Intellectual Property GmbH & Co. KG | 275 |
4 |
| Canon Inc. | 38930 |
3 |
| Asahi Kasei Kabushiki Kaisha | 2611 |
3 |
| Other owners | 60 |