- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 63/692 - Polyesters containing atoms other than carbon, hydrogen, and oxygen containing phosphorus
Patent holdings for IPC class C08G 63/692
Total number of patents in this class: 113
10-year publication summary
|
9
|
11
|
12
|
8
|
8
|
9
|
8
|
9
|
8
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| PPG Industries Ohio, Inc. | 3445 |
9 |
| International Business Machines Corporation | 61344 |
7 |
| ICL-IP America Inc. | 139 |
5 |
| LG Chem, Ltd. | 17641 |
4 |
| Jiangsu Hengli; Chemical Fibre Co., Ltd. | 115 |
4 |
| SK Chemicals Co., Ltd. | 612 |
4 |
| Toyobo Co., Ltd. | 2501 |
4 |
| Evonik Operations GmbH | 4117 |
4 |
| DIC Corporation | 3803 |
3 |
| Shell Internationale Research Maatschappij B.V. | 3549 |
2 |
| E. I. du Pont de Nemours and Company | 4041 |
2 |
| Shell Oil Company | 2138 |
2 |
| Toray Industries, Inc. | 6950 |
2 |
| Eternal Materials Co., Ltd. | 98 |
2 |
| FRX Polymers, Inc. | 45 |
2 |
| Huntsman International LLC | 721 |
2 |
| Jiangsu Yoke Technology Co., Ltd | 12 |
2 |
| Nan Ya Plastics Corporation | 434 |
2 |
| Shengyi Technology Co., Ltd. | 262 |
2 |
| Sichuan University | 570 |
2 |
| Other owners | 47 |