- All sections
- C - Chemistry; metallurgy
- 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: 112
10-year publication summary
|
6
|
9
|
11
|
13
|
8
|
8
|
10
|
8
|
9
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| PPG Industries Ohio, Inc. | 3430 |
9 |
| International Business Machines Corporation | 60644 |
8 |
| ICL-IP America Inc. | 136 |
5 |
| Evonik Operations GmbH | 3879 |
4 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
3 |
| DIC Corporation | 3597 |
3 |
| Jiangsu Hengli; Chemical Fibre Co., Ltd. | 96 |
3 |
| SK Chemicals Co., Ltd. | 568 |
3 |
| Toyo Boseki Kabushiki Kaisha | 472 |
3 |
| Toyobo Co., Ltd. | 2286 |
3 |
| LG Chem, Ltd. | 17205 |
2 |
| E. I. du Pont de Nemours and Company | 4345 |
2 |
| Shell Oil Company | 2196 |
2 |
| Eternal Materials Co., Ltd. | 101 |
2 |
| Far Eastern New Century Corporation | 43 |
2 |
| FRX Polymers, Inc. | 44 |
2 |
| Huntsman International LLC | 708 |
2 |
| Jiangsu Yoke Technology Co., Ltd | 8 |
2 |
| Nan Ya Plastics Corporation | 308 |
2 |
| Shengyi Technology Co., Ltd. | 255 |
2 |
| Other owners | 48 |