- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 64/08 - Aromatic polycarbonates not containing aliphatic unsaturation containing atoms other than carbon, hydrogen or oxygen
Patent holdings for IPC class C08G 64/08
Total number of patents in this class: 131
10-year publication summary
|
19
|
18
|
11
|
11
|
13
|
10
|
8
|
1
|
9
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17639 |
33 |
| Idemitsu Kosan Co., Ltd. | 4103 |
22 |
| Mitsubishi Gas Chemical Company, Inc. | 3343 |
9 |
| SHPP Global Technologies B.V. | 1059 |
8 |
| SABIC Global Technologies B.V. | 4203 |
7 |
| Teijin Limited | 1233 |
5 |
| Sabic Innovative Plastics IP B.V. | 683 |
4 |
| Cheil Industries Inc. | 911 |
3 |
| Mitsubishi Chemical Corporation | 4447 |
3 |
| Lotte Advanced Materials Co., Ltd. | 411 |
3 |
| FUJIFILM Corporation | 28805 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5446 |
2 |
| FRX Polymers, Inc. | 45 |
2 |
| Menicon Co., Ltd. | 419 |
2 |
| MGC Filsheet Co., Ltd. | 156 |
2 |
| Samyang Corporation | 384 |
2 |
| Samsung Electronics Co., Ltd. | 139001 |
1 |
| International Business Machines Corporation | 60129 |
1 |
| Merck Patent GmbH | 5842 |
1 |
| Canon Inc. | 38148 |
1 |
| Other owners | 18 |